{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-arcgis-princewilliam",
  "component": "arcgis-princewilliam-mcp",
  "generated_at": "2026-09-21T08:49:00.837Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 4,
    "security": 96,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a09dae-399f-786e-bde7-85b22e60face",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_unlisted",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 02:10:35.98498+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a09dae-399f-786e-bde7-85b22e60face"
    },
    {
      "id": "chg_01a09dae-39a0-7c22-b5a9-e95651714c6b",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.churn",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "30",
        "added": "0",
        "breaks": "0",
        "removed": "34",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 02:10:35.98498+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a09dae-39a0-7c22-b5a9-e95651714c6b"
    },
    {
      "id": "chg_01a09dae-39a1-7438-bd65-7e003ffb6caa",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 02:10:35.98498+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a09dae-39a1-7438-bd65-7e003ffb6caa"
    },
    {
      "id": "chg_01a09888-0a24-72a9-9f78-f3be5fac90dd",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 02:10:47.377592+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a09888-0a24-72a9-9f78-f3be5fac90dd"
    },
    {
      "id": "chg_01a09888-0a24-7d93-a38f-45f66e876667",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 02:10:47.377592+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a09888-0a24-7d93-a38f-45f66e876667"
    },
    {
      "id": "chg_01a09888-0a25-7481-85da-c998e3266f50",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.stable",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 02:10:47.377592+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a09888-0a25-7481-85da-c998e3266f50"
    },
    {
      "id": "chg_01a09361-70ab-7caa-9722-f6fdec7199a2",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.churn",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "30",
        "added": "0",
        "breaks": "0",
        "removed": "34",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 02:10:31.617038+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a09361-70ab-7caa-9722-f6fdec7199a2"
    },
    {
      "id": "chg_01a09361-70ac-7b8d-b32e-f13f9d70b203",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 02:10:31.617038+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a09361-70ac-7b8d-b32e-f13f9d70b203"
    },
    {
      "id": "chg_01a09361-70ad-703c-b5a4-8c6d2c2832b5",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 02:10:31.617038+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a09361-70ad-703c-b5a4-8c6d2c2832b5"
    },
    {
      "id": "chg_01a08e3b-2f4f-761c-8e7b-9210cfb867f6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 02:10:38.474306+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a08e3b-2f4f-761c-8e7b-9210cfb867f6"
    },
    {
      "id": "chg_01a08e3b-2f50-7b02-a85b-7ba18e8b150c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 02:10:38.474306+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a08e3b-2f50-7b02-a85b-7ba18e8b150c"
    },
    {
      "id": "chg_01a08e3b-2f51-7189-93fb-ebbaa264baff",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 02:10:38.474306+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a08e3b-2f51-7189-93fb-ebbaa264baff"
    },
    {
      "id": "chg_01a08e3b-2f51-7bc9-8bc7-73ec21db69ae",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 02:10:38.474306+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a08e3b-2f51-7bc9-8bc7-73ec21db69ae"
    },
    {
      "id": "chg_01a08e3b-2f52-7268-a4aa-519da1673f86",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 02:10:38.474306+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a08e3b-2f52-7268-a4aa-519da1673f86"
    },
    {
      "id": "chg_01a08911-bee6-7d07-8556-c043b2befcda",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_destructive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 02:07:16.629097+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a08911-bee6-7d07-8556-c043b2befcda"
    },
    {
      "id": "chg_01a08911-bee8-71c1-9356-2f2f7b34b72c",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 02:07:16.629097+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a08911-bee8-71c1-9356-2f2f7b34b72c"
    },
    {
      "id": "chg_01a08911-bee8-7a84-be71-a850a2495e04",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.stable",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 02:07:16.629097+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a08911-bee8-7a84-be71-a850a2495e04"
    },
    {
      "id": "chg_01a083ec-80f4-7c98-9a25-d01215e4f39f",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.churn",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "30",
        "added": "0",
        "breaks": "0",
        "removed": "34",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 02:08:29.874406+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a083ec-80f4-7c98-9a25-d01215e4f39f"
    },
    {
      "id": "chg_01a083ec-80f5-7d32-8631-12952381f5e0",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 02:08:29.874406+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a083ec-80f5-7d32-8631-12952381f5e0"
    },
    {
      "id": "chg_01a083ec-80f6-74f5-8310-51caf4f77d28",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive_unverified",
      "to_code": "auth.none_unlisted",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 02:08:29.874406+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the tool list to see what that exposes.)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a083ec-80f6-74f5-8310-51caf4f77d28"
    },
    {
      "id": "chg_01a07ecb-44d3-7925-92e8-3e379f241746",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 02:14:05.68024+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a07ecb-44d3-7925-92e8-3e379f241746"
    },
    {
      "id": "chg_01a07ecb-44d5-70f2-a477-4e777da804ff",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.stable",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 02:14:05.68024+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a07ecb-44d5-70f2-a477-4e777da804ff"
    },
    {
      "id": "chg_01a07ecb-44d5-7720-ab77-e7ea6ce91dd7",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 02:14:05.68024+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: this server exposes a tool marked destructive (forget) and its handshake is open, but we could not confirm whether a tool call is gated, so we do not assert it is callable unauthenticated.)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a07ecb-44d5-7720-ab77-e7ea6ce91dd7"
    },
    {
      "id": "chg_01a079a4-9c9b-79fc-bac0-0e86b385cd8a",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_unlisted",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 02:13:46.053691+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a079a4-9c9b-79fc-bac0-0e86b385cd8a"
    },
    {
      "id": "chg_01a079a4-9c9d-7339-878d-b5d43ebb2096",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.churn",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "30",
        "added": "0",
        "breaks": "0",
        "removed": "34",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 02:13:46.053691+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a079a4-9c9d-7339-878d-b5d43ebb2096"
    },
    {
      "id": "chg_01a079a4-9ca0-749c-8ec4-02303f7c5b20",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 02:13:46.053691+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a079a4-9ca0-749c-8ec4-02303f7c5b20"
    },
    {
      "id": "chg_01a07478-a951-7eff-ad9b-0cfde959c06b",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 02:07:39.78065+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a07478-a951-7eff-ad9b-0cfde959c06b"
    },
    {
      "id": "chg_01a06f52-6ecf-7a74-b1fb-ccffaf0f2e00",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 02:07:48.371601+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06f52-6ecf-7a74-b1fb-ccffaf0f2e00"
    },
    {
      "id": "chg_01a06f52-6ed0-7836-90c5-4970d401e9c3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 02:07:48.371601+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06f52-6ed0-7836-90c5-4970d401e9c3"
    },
    {
      "id": "chg_01a06f52-6ed0-7de2-b6e7-da21e19d9e19",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 02:07:48.371601+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06f52-6ed0-7de2-b6e7-da21e19d9e19"
    },
    {
      "id": "chg_01a06f52-6ed1-737a-bfd2-4aa5c7b89c1e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 02:07:48.371601+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06f52-6ed1-737a-bfd2-4aa5c7b89c1e"
    },
    {
      "id": "chg_01a06f52-6ed1-7820-ac37-ef1c7cf31ad0",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 02:07:48.371601+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06f52-6ed1-7820-ac37-ef1c7cf31ad0"
    },
    {
      "id": "chg_01a06a2b-9f6f-78cf-98c0-d2f65332688b",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:07:18.841019+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06a2b-9f6f-78cf-98c0-d2f65332688b"
    },
    {
      "id": "chg_01a06a2b-9f71-7346-b9f0-178b44562277",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:07:18.841019+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06a2b-9f71-7346-b9f0-178b44562277"
    },
    {
      "id": "chg_01a06a2b-9f71-78ab-abac-1876411ec9c1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:07:18.841019+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06a2b-9f71-78ab-abac-1876411ec9c1"
    },
    {
      "id": "chg_01a06a2b-9f72-70cc-8643-a16c1638e01a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:07:18.841019+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06a2b-9f72-70cc-8643-a16c1638e01a"
    },
    {
      "id": "chg_01a06a2b-9f72-76ef-913f-3cf144b47efc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:07:18.841019+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06a2b-9f72-76ef-913f-3cf144b47efc"
    },
    {
      "id": "chg_01a06a2b-9f72-7d01-a12e-57e1eed3d938",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "entity_profile",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "entity_profile"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:07:18.841019+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06a2b-9f72-7d01-a12e-57e1eed3d938"
    },
    {
      "id": "chg_01a06a2b-9f73-79b9-af0d-e70043890c39",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:07:18.841019+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06a2b-9f73-79b9-af0d-e70043890c39"
    },
    {
      "id": "chg_01a06505-1336-7477-8eae-326a73834b3f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 02:07:06.491548+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06505-1336-7477-8eae-326a73834b3f"
    },
    {
      "id": "chg_01a06505-1338-7000-8c63-17dad38a65d2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 02:07:06.491548+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06505-1338-7000-8c63-17dad38a65d2"
    },
    {
      "id": "chg_01a06505-1338-7658-8813-f73fb0230111",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 02:07:06.491548+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06505-1338-7658-8813-f73fb0230111"
    },
    {
      "id": "chg_01a06505-1338-7c38-828b-7dc75363e017",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 02:07:06.491548+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06505-1338-7c38-828b-7dc75363e017"
    },
    {
      "id": "chg_01a06505-1339-7201-9be3-bb31261b0c18",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 02:07:06.491548+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06505-1339-7201-9be3-bb31261b0c18"
    },
    {
      "id": "chg_01a06505-1339-7746-95de-ba1c1f06452a",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 02:07:06.491548+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a06505-1339-7746-95de-ba1c1f06452a"
    },
    {
      "id": "chg_01a05fde-4cc1-7ab6-8533-df05768d8d4d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 02:06:39.234306+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05fde-4cc1-7ab6-8533-df05768d8d4d"
    },
    {
      "id": "chg_01a05fde-4cc2-7ec9-92a2-340a16d83a58",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 02:06:39.234306+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05fde-4cc2-7ec9-92a2-340a16d83a58"
    },
    {
      "id": "chg_01a05fde-4cc3-7533-8bf0-1d96bcd0584c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 02:06:39.234306+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05fde-4cc3-7533-8bf0-1d96bcd0584c"
    },
    {
      "id": "chg_01a05fde-4cc4-70e1-bf9c-4cece722c8da",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 02:06:39.234306+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05fde-4cc4-70e1-bf9c-4cece722c8da"
    },
    {
      "id": "chg_01a05fde-4cc4-75e6-8497-2989a6e7a3ef",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resolve_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resolve_entity"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 02:06:39.234306+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “resolve_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05fde-4cc4-75e6-8497-2989a6e7a3ef"
    },
    {
      "id": "chg_01a05fde-4cc4-7ded-8bd4-f277edbd8d67",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 02:06:39.234306+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05fde-4cc4-7ded-8bd4-f277edbd8d67"
    },
    {
      "id": "chg_01a05ab7-a9ea-7be6-a7b6-138dc7d02c28",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 02:06:21.125056+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05ab7-a9ea-7be6-a7b6-138dc7d02c28"
    },
    {
      "id": "chg_01a05ab7-a9ec-744b-8369-de519151cfe5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 02:06:21.125056+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05ab7-a9ec-744b-8369-de519151cfe5"
    },
    {
      "id": "chg_01a05ab7-a9ec-7bc9-96dc-27b7e6ef51e4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 02:06:21.125056+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05ab7-a9ec-7bc9-96dc-27b7e6ef51e4"
    },
    {
      "id": "chg_01a05ab7-a9ed-732d-9c83-9abdc0d7a215",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 02:06:21.125056+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05ab7-a9ed-732d-9c83-9abdc0d7a215"
    },
    {
      "id": "chg_01a05ab7-a9ed-797b-ba53-511c61a1dafb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 02:06:21.125056+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05ab7-a9ed-797b-ba53-511c61a1dafb"
    },
    {
      "id": "chg_01a05ab7-a9ee-700e-8196-c86969da4707",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 02:06:21.125056+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05ab7-a9ee-700e-8196-c86969da4707"
    },
    {
      "id": "chg_01a05591-3795-7629-87f0-04be266fc4dc",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 02:06:15.386766+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05591-3795-7629-87f0-04be266fc4dc"
    },
    {
      "id": "chg_01a05591-3796-76a5-8f3f-a0777c385c30",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 02:06:15.386766+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05591-3796-76a5-8f3f-a0777c385c30"
    },
    {
      "id": "chg_01a05591-3796-7d6b-8fcb-b5ba95fa5e66",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 02:06:15.386766+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05591-3796-7d6b-8fcb-b5ba95fa5e66"
    },
    {
      "id": "chg_01a05591-3797-7266-a0f9-a51a05427ee2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 02:06:15.386766+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05591-3797-7266-a0f9-a51a05427ee2"
    },
    {
      "id": "chg_01a05591-3797-7718-94a0-36792c55fec7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 02:06:15.386766+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05591-3797-7718-94a0-36792c55fec7"
    },
    {
      "id": "chg_01a05591-3797-7b54-9e2d-ee9ffdf86c15",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 02:06:15.386766+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a05591-3797-7b54-9e2d-ee9ffdf86c15"
    },
    {
      "id": "chg_01a0506a-5d4f-7288-bc44-21b856859e31",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 02:05:43.065679+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a0506a-5d4f-7288-bc44-21b856859e31"
    },
    {
      "id": "chg_01a0506a-5d50-74ce-ae23-b9cad489eae7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 02:05:43.065679+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a0506a-5d50-74ce-ae23-b9cad489eae7"
    },
    {
      "id": "chg_01a0506a-5d50-798b-aec6-2c56c17e19f7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 02:05:43.065679+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a0506a-5d50-798b-aec6-2c56c17e19f7"
    },
    {
      "id": "chg_01a0506a-5d50-7e18-be43-ecfdca92fb2e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 02:05:43.065679+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a0506a-5d50-7e18-be43-ecfdca92fb2e"
    },
    {
      "id": "chg_01a0506a-5d51-7324-af1e-a0a487785516",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 02:05:43.065679+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a0506a-5d51-7324-af1e-a0a487785516"
    },
    {
      "id": "chg_01a04b43-eb07-71eb-bba2-0d1fb81a43dc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 02:05:37.334893+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a04b43-eb07-71eb-bba2-0d1fb81a43dc"
    },
    {
      "id": "chg_01a04b43-eb09-7d07-97e7-3c31d4e86922",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 02:05:37.334893+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a04b43-eb09-7d07-97e7-3c31d4e86922"
    },
    {
      "id": "chg_01a04b43-eb0a-74fc-b7b2-56c5d4ddb69a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 02:05:37.334893+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a04b43-eb0a-74fc-b7b2-56c5d4ddb69a"
    },
    {
      "id": "chg_01a04b43-eb0a-7b1f-a142-5bcaf6222ac2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 02:05:37.334893+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a04b43-eb0a-7b1f-a142-5bcaf6222ac2"
    },
    {
      "id": "chg_01a04b43-eb0b-717d-92d2-9cc12f4a9b6a",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 02:05:37.334893+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a04b43-eb0b-717d-92d2-9cc12f4a9b6a"
    },
    {
      "id": "chg_01a040f7-08a8-764f-9554-6b43211840c4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 02:05:26.512231+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a040f7-08a8-764f-9554-6b43211840c4"
    },
    {
      "id": "chg_01a040f7-08a9-74cc-9a47-0c605480f81c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 02:05:26.512231+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a040f7-08a9-74cc-9a47-0c605480f81c"
    },
    {
      "id": "chg_01a040f7-08a9-79fd-ba35-7a4f7b10dd17",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 02:05:26.512231+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a040f7-08a9-79fd-ba35-7a4f7b10dd17"
    },
    {
      "id": "chg_01a040f7-08a9-7dcd-95f2-e64243ea0082",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 02:05:26.512231+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a040f7-08a9-7dcd-95f2-e64243ea0082"
    },
    {
      "id": "chg_01a040f7-08aa-77c1-b029-c1b33d5ecddd",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 02:05:26.512231+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a040f7-08aa-77c1-b029-c1b33d5ecddd"
    },
    {
      "id": "chg_01a036aa-1de7-7c8f-ad61-4ec170921c62",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 02:05:13.518169+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a036aa-1de7-7c8f-ad61-4ec170921c62"
    },
    {
      "id": "chg_01a036aa-1de8-782e-ad1c-0cf0737852ed",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 02:05:13.518169+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a036aa-1de8-782e-ad1c-0cf0737852ed"
    },
    {
      "id": "chg_01a03183-c7c6-7658-b47d-16e39a2e3ac0",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 02:05:15.021528+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a03183-c7c6-7658-b47d-16e39a2e3ac0"
    },
    {
      "id": "chg_01a03183-c7c7-73cf-9b04-83b47228a6fc",
      "kind": "check.appeared",
      "family": "auth-registration",
      "subject_kind": "check",
      "subject": "auth-registration",
      "subject_child": "",
      "from_code": null,
      "to_code": "auth.registration_cimd",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 02:05:15.021528+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a03183-c7c7-73cf-9b04-83b47228a6fc"
    },
    {
      "id": "chg_01a03183-c7c7-7b74-bde2-f9336c979dc1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 02:05:15.021528+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a03183-c7c7-7b74-bde2-f9336c979dc1"
    },
    {
      "id": "chg_01a03183-c7c8-72c9-bb08-e633444ae680",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 02:05:15.021528+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a03183-c7c8-72c9-bb08-e633444ae680"
    },
    {
      "id": "chg_01a03183-c7c8-782c-8c09-5ff8ab009406",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 02:05:15.021528+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a03183-c7c8-782c-8c09-5ff8ab009406"
    },
    {
      "id": "chg_01a03183-c7c8-7d67-8a2f-c2c9e1c7affd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 02:05:15.021528+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a03183-c7c8-7d67-8a2f-c2c9e1c7affd"
    },
    {
      "id": "chg_01a03183-c7c9-729e-8f0a-5390b2e3cfd3",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 02:05:15.021528+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a03183-c7c9-729e-8f0a-5390b2e3cfd3"
    },
    {
      "id": "chg_01a02c5d-5f7e-72a0-a1d2-33b2520076d3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 02:05:11.891558+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02c5d-5f7e-72a0-a1d2-33b2520076d3"
    },
    {
      "id": "chg_01a02c5d-5f7f-716e-a2b4-550f60def6a2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 02:05:11.891558+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02c5d-5f7f-716e-a2b4-550f60def6a2"
    },
    {
      "id": "chg_01a02c5d-5f7f-768d-9174-8e9b79991320",
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      "family": "",
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      "subject_child": "",
      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 02:05:11.891558+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02c5d-5f7f-768d-9174-8e9b79991320"
    },
    {
      "id": "chg_01a02c5d-5f7f-7ae5-8c44-1e9a630756f3",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 02:05:11.891558+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02c5d-5f7f-7ae5-8c44-1e9a630756f3"
    },
    {
      "id": "chg_01a02c5d-5f7f-7eb8-a007-eba2f219ff47",
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      "family": "",
      "subject_kind": "server",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 02:05:11.891558+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02c5d-5f7f-7eb8-a007-eba2f219ff47"
    },
    {
      "id": "chg_01a02736-ef4d-7e31-aae4-3783173a3a40",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 02:05:06.709064+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02736-ef4d-7e31-aae4-3783173a3a40"
    },
    {
      "id": "chg_01a02736-ef4e-7c64-8265-9640f89247e7",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 02:05:06.709064+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02736-ef4e-7c64-8265-9640f89247e7"
    },
    {
      "id": "chg_01a02736-ef4f-73be-94e6-9a68b8110966",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 02:05:06.709064+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02736-ef4f-73be-94e6-9a68b8110966"
    },
    {
      "id": "chg_01a02736-ef4f-786c-af85-76a63d5c4286",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 02:05:06.709064+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02736-ef4f-786c-af85-76a63d5c4286"
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    {
      "id": "chg_01a02736-ef4f-7d33-9a2b-a0550b61c425",
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      "subject_kind": "server",
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      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 02:05:06.709064+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02736-ef4f-7d33-9a2b-a0550b61c425"
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    {
      "id": "chg_01a02210-894f-7206-bd0c-66e668fbac0e",
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      "from_code": "auth.none_destructive_unverified",
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      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
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      "occurred_at": "2026-08-21 02:05:04.086928+00",
      "observed_since": "2026-08-20",
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      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02210-894f-7206-bd0c-66e668fbac0e"
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    {
      "id": "chg_01a02210-8951-7830-ad17-4415c57f027b",
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      "materiality": "security",
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      "detail": {
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      "occurred_at": "2026-08-21 02:05:04.086928+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02210-8951-7830-ad17-4415c57f027b"
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    {
      "id": "chg_01a02210-8951-7f1c-ba22-97aa23e247d5",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 02:05:04.086928+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-princewilliam/arcgis-princewilliam-mcp#chg-chg_01a02210-8951-7f1c-ba22-97aa23e247d5"
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}