{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-arcgis-chestercounty",
  "component": "arcgis-chestercounty-mcp",
  "generated_at": "2026-09-21T09:47:33.399Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 4,
    "security": 96,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a09442-e8f4-703f-bcc7-d7a04d487d77",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 06:16:47.824+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a09442-e8f4-703f-bcc7-d7a04d487d77"
    },
    {
      "id": "chg_01a09442-e8f8-7579-9e81-6d5db414e099",
      "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 06:16:47.824+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a09442-e8f8-7579-9e81-6d5db414e099"
    },
    {
      "id": "chg_01a09442-e8f8-7bfa-91c9-fd3d3cb9766f",
      "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 06:16:47.824+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a09442-e8f8-7bfa-91c9-fd3d3cb9766f"
    },
    {
      "id": "chg_01a08f1b-9ae3-7bb4-9cc9-7b797225feaa",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 06:15:45.505085+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a08f1b-9ae3-7bb4-9cc9-7b797225feaa"
    },
    {
      "id": "chg_01a08f1b-9ae8-7285-b6cb-cb54c95c2f03",
      "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 06:15:45.505085+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a08f1b-9ae8-7285-b6cb-cb54c95c2f03"
    },
    {
      "id": "chg_01a08f1b-9ae8-79d9-bcb6-2bd83c40c9cd",
      "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 06:15:45.505085+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a08f1b-9ae8-79d9-bcb6-2bd83c40c9cd"
    },
    {
      "id": "chg_01a08f1b-9aee-736b-b464-c4e3067552de",
      "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 06:15:45.505085+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a08f1b-9aee-736b-b464-c4e3067552de"
    },
    {
      "id": "chg_01a08f1b-9aee-7a0e-9e2f-34e338bad313",
      "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 06:15:45.505085+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a08f1b-9aee-7a0e-9e2f-34e338bad313"
    },
    {
      "id": "chg_01a08f1b-9b07-74f6-b716-7ac7d458f48e",
      "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 06:15:45.505085+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a08f1b-9b07-74f6-b716-7ac7d458f48e"
    },
    {
      "id": "chg_01a089f4-eea0-7c4c-bf98-787d945dbcd8",
      "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 06:15:25.092461+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a089f4-eea0-7c4c-bf98-787d945dbcd8"
    },
    {
      "id": "chg_01a089f4-eea2-76fe-b843-149a74c7eef5",
      "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 06:15:25.092461+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a089f4-eea2-76fe-b843-149a74c7eef5"
    },
    {
      "id": "chg_01a089f4-eea2-7cd5-9ff9-31ab7cb126ca",
      "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 06:15:25.092461+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a089f4-eea2-7cd5-9ff9-31ab7cb126ca"
    },
    {
      "id": "chg_01a084cf-4f00-7c8e-8612-c4bcd0beb95e",
      "kind": "check.reverified",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.inconclusive",
      "to_code": "https.plaintext",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 06:16:13.740078+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "HTTPS (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a084cf-4f00-7c8e-8612-c4bcd0beb95e"
    },
    {
      "id": "chg_01a084cf-4f01-7732-a74a-c456ec09030d",
      "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 06:16:13.740078+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a084cf-4f01-7732-a74a-c456ec09030d"
    },
    {
      "id": "chg_01a084cf-4f02-719c-bce5-e5c007dac4b7",
      "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 06:16:13.740078+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a084cf-4f02-719c-bce5-e5c007dac4b7"
    },
    {
      "id": "chg_01a084cf-4f02-76f1-b6ca-3d5470240839",
      "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 06:16:13.740078+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a084cf-4f02-76f1-b6ca-3d5470240839"
    },
    {
      "id": "chg_01a07fac-62ce-7ac8-a299-9eafbdaaf7f2",
      "kind": "check.unverifiable",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.plaintext",
      "to_code": "https.inconclusive",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "plaintext_status",
        "status": "503"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 06:19:58.842486+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "HTTPS (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07fac-62ce-7ac8-a299-9eafbdaaf7f2"
    },
    {
      "id": "chg_01a07fac-62d0-7743-92de-a7c9933226a1",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 06:19:58.842486+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07fac-62d0-7743-92de-a7c9933226a1"
    },
    {
      "id": "chg_01a07fac-62d1-7cfc-9170-e5c2548304f0",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 06:19:58.842486+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07fac-62d1-7cfc-9170-e5c2548304f0"
    },
    {
      "id": "chg_01a07fac-62d3-78d7-b8cc-36e020af14f3",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 06:19:58.842486+00",
      "observed_since": "2026-09-07",
      "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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07fac-62d3-78d7-b8cc-36e020af14f3"
    },
    {
      "id": "chg_01a07fac-62d4-70db-8889-34499a936e2c",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 06:19:58.842486+00",
      "observed_since": "2026-09-07",
      "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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07fac-62d4-70db-8889-34499a936e2c"
    },
    {
      "id": "chg_01a07fac-62d6-78e4-acf7-f2d6e4324bcf",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 06:19:58.842486+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07fac-62d6-78e4-acf7-f2d6e4324bcf"
    },
    {
      "id": "chg_01a07fac-62d7-74cf-a293-962397f1efe7",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 06:19:58.842486+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07fac-62d7-74cf-a293-962397f1efe7"
    },
    {
      "id": "chg_01a07a84-fdb8-7967-a390-bde7ad60489c",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 06:18:51.046885+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07a84-fdb8-7967-a390-bde7ad60489c"
    },
    {
      "id": "chg_01a07a84-fdba-724c-a2ee-fe2120637878",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 06:18:51.046885+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07a84-fdba-724c-a2ee-fe2120637878"
    },
    {
      "id": "chg_01a07a84-fdba-7999-9c84-c44f09df04f8",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 06:18:51.046885+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07a84-fdba-7999-9c84-c44f09df04f8"
    },
    {
      "id": "chg_01a0755a-b49c-7f1c-86f1-a819a84b31ab",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 06:14:33.751702+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a0755a-b49c-7f1c-86f1-a819a84b31ab"
    },
    {
      "id": "chg_01a0755a-b49e-7ae5-a21b-0fc3dc50dd88",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 06:14:33.751702+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a0755a-b49e-7ae5-a21b-0fc3dc50dd88"
    },
    {
      "id": "chg_01a0755a-b49f-710d-85b1-9a43ead9ebca",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 06:14:33.751702+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a0755a-b49f-710d-85b1-9a43ead9ebca"
    },
    {
      "id": "chg_01a07035-162b-7d6a-9cd8-13081c070aae",
      "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 06:15:21.866978+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07035-162b-7d6a-9cd8-13081c070aae"
    },
    {
      "id": "chg_01a07035-162e-70dd-8f95-74bfbb035b07",
      "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 06:15:21.866978+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07035-162e-70dd-8f95-74bfbb035b07"
    },
    {
      "id": "chg_01a07035-162e-755f-98ef-80d41b81c725",
      "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 06:15:21.866978+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07035-162e-755f-98ef-80d41b81c725"
    },
    {
      "id": "chg_01a07035-162e-7942-9d44-950dfa6e060d",
      "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 06:15:21.866978+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07035-162e-7942-9d44-950dfa6e060d"
    },
    {
      "id": "chg_01a07035-162e-7dc6-bc83-b75737ac9846",
      "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 06:15:21.866978+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a07035-162e-7dc6-bc83-b75737ac9846"
    },
    {
      "id": "chg_01a06b0d-fccf-7966-b9ff-32fa44b3f397",
      "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 06:14:33.419479+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a06b0d-fccf-7966-b9ff-32fa44b3f397"
    },
    {
      "id": "chg_01a06b0d-fcd2-72cd-abc5-4b9db09ce4ae",
      "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 06:14:33.419479+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a06b0d-fcd2-72cd-abc5-4b9db09ce4ae"
    },
    {
      "id": "chg_01a06b0d-fcd8-7523-b68b-37dc84f378b3",
      "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 06:14:33.419479+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a06b0d-fcd8-7523-b68b-37dc84f378b3"
    },
    {
      "id": "chg_01a06b0d-fcdc-773b-a8d9-ed2eaf749e59",
      "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 06:14:33.419479+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a06b0d-fcdc-773b-a8d9-ed2eaf749e59"
    },
    {
      "id": "chg_01a06b0d-fcdd-7e66-a6cb-7365a3e1d2d9",
      "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 06:14:33.419479+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a06b0d-fcdd-7e66-a6cb-7365a3e1d2d9"
    },
    {
      "id": "chg_01a06b0d-fcdf-7a36-ba8e-1d94f9e45864",
      "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 06:14:33.419479+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a06b0d-fcdf-7a36-ba8e-1d94f9e45864"
    },
    {
      "id": "chg_01a065e7-367f-7a92-964d-1b7ab7d11592",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 06:14:06.57192+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a065e7-367f-7a92-964d-1b7ab7d11592"
    },
    {
      "id": "chg_01a065e7-3681-7111-b5cf-8ae426c11624",
      "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 06:14:06.57192+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a065e7-3681-7111-b5cf-8ae426c11624"
    },
    {
      "id": "chg_01a065e7-3681-7965-a010-96de3fac3428",
      "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 06:14:06.57192+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a065e7-3681-7965-a010-96de3fac3428"
    },
    {
      "id": "chg_01a065e7-3681-7ed2-ab74-1d497b1afb53",
      "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 06:14:06.57192+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a065e7-3681-7ed2-ab74-1d497b1afb53"
    },
    {
      "id": "chg_01a065e7-3682-7743-8a83-1b7a9e5136e4",
      "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 06:14:06.57192+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a065e7-3682-7743-8a83-1b7a9e5136e4"
    },
    {
      "id": "chg_01a065e7-3682-7d1a-9b4a-4f685c5ddf01",
      "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 06:14:06.57192+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a065e7-3682-7d1a-9b4a-4f685c5ddf01"
    },
    {
      "id": "chg_01a065e7-3683-7676-a781-6e0d0c7adb33",
      "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 06:14:06.57192+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a065e7-3683-7676-a781-6e0d0c7adb33"
    },
    {
      "id": "chg_01a060c0-9fb3-76e5-bc0e-d55d544e801e",
      "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 06:13:51.525055+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a060c0-9fb3-76e5-bc0e-d55d544e801e"
    },
    {
      "id": "chg_01a060c0-9fb5-79d0-beac-a56e4739cd35",
      "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 06:13:51.525055+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a060c0-9fb5-79d0-beac-a56e4739cd35"
    },
    {
      "id": "chg_01a060c0-9fb8-74b5-b528-1257f4bb2c22",
      "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 06:13:51.525055+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a060c0-9fb8-74b5-b528-1257f4bb2c22"
    },
    {
      "id": "chg_01a060c0-9fba-7653-8aef-81af994cbe45",
      "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 06:13:51.525055+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a060c0-9fba-7653-8aef-81af994cbe45"
    },
    {
      "id": "chg_01a060c0-9fba-7cd8-88ba-9c77e313adab",
      "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 06:13:51.525055+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a060c0-9fba-7cd8-88ba-9c77e313adab"
    },
    {
      "id": "chg_01a060c0-9fbb-7890-8a66-43f2978e8aab",
      "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 06:13:51.525055+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a060c0-9fbb-7890-8a66-43f2978e8aab"
    },
    {
      "id": "chg_01a05b9a-a957-72be-961c-70081dc67742",
      "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 06:14:17.66407+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a05b9a-a957-72be-961c-70081dc67742"
    },
    {
      "id": "chg_01a05b9a-a958-7293-8ff1-f32b543ab40f",
      "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 06:14:17.66407+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a05b9a-a958-7293-8ff1-f32b543ab40f"
    },
    {
      "id": "chg_01a05b9a-a958-7748-afb8-6db91861fa26",
      "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 06:14:17.66407+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a05b9a-a958-7748-afb8-6db91861fa26"
    },
    {
      "id": "chg_01a05b9a-a958-7cd7-ba61-368e0296e480",
      "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 06:14:17.66407+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a05b9a-a958-7cd7-ba61-368e0296e480"
    },
    {
      "id": "chg_01a05b9a-a959-723b-b9aa-cc3ebdcab9b4",
      "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 06:14:17.66407+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a05b9a-a959-723b-b9aa-cc3ebdcab9b4"
    },
    {
      "id": "chg_01a05673-3eff-7915-9070-6f66fe7d2c52",
      "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 06:13:07.513408+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a05673-3eff-7915-9070-6f66fe7d2c52"
    },
    {
      "id": "chg_01a05673-3f00-7d45-a4fd-6847efa01865",
      "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 06:13:07.513408+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a05673-3f00-7d45-a4fd-6847efa01865"
    },
    {
      "id": "chg_01a05673-3f01-72fc-a30b-d9a587ab6019",
      "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 06:13:07.513408+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a05673-3f01-72fc-a30b-d9a587ab6019"
    },
    {
      "id": "chg_01a05673-3f02-7911-af50-e702120c7172",
      "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 06:13:07.513408+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a05673-3f02-7911-af50-e702120c7172"
    },
    {
      "id": "chg_01a05673-3f02-7e35-9d2a-1f1bc1250b77",
      "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 06:13:07.513408+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a05673-3f02-7e35-9d2a-1f1bc1250b77"
    },
    {
      "id": "chg_01a05673-3f03-750d-9581-5a3ee8891fc8",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 06:13:07.513408+00",
      "observed_since": "2026-08-30",
      "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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a05673-3f03-750d-9581-5a3ee8891fc8"
    },
    {
      "id": "chg_01a05673-3f03-7af3-9591-be11e5423c64",
      "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 06:13:07.513408+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a05673-3f03-7af3-9591-be11e5423c64"
    },
    {
      "id": "chg_01a0514e-6375-7e65-8ed2-a2a12c55b2b8",
      "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": "2026-08-30",
      "occurred_at": "2026-08-30 06:14:46.773678+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a0514e-6375-7e65-8ed2-a2a12c55b2b8"
    },
    {
      "id": "chg_01a04c26-9b44-7ca5-8bf6-bd6a2fab1619",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 06:13:13.617655+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a04c26-9b44-7ca5-8bf6-bd6a2fab1619"
    },
    {
      "id": "chg_01a04c26-9b46-7208-99e9-cf45fd9f6e58",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 06:13:13.617655+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a04c26-9b46-7208-99e9-cf45fd9f6e58"
    },
    {
      "id": "chg_01a04c26-9b46-79fb-8a6f-978c05b07fce",
      "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 06:13:13.617655+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a04c26-9b46-79fb-8a6f-978c05b07fce"
    },
    {
      "id": "chg_01a04c26-9b47-7189-ac1e-92413ea5f00b",
      "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 06:13:13.617655+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a04c26-9b47-7189-ac1e-92413ea5f00b"
    },
    {
      "id": "chg_01a04c26-9b47-780c-83d0-7451d0924004",
      "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 06:13:13.617655+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a04c26-9b47-780c-83d0-7451d0924004"
    },
    {
      "id": "chg_01a041d9-77f1-7698-9eea-33ef0e8e8549",
      "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 06:12:46.112965+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a041d9-77f1-7698-9eea-33ef0e8e8549"
    },
    {
      "id": "chg_01a041d9-77f3-7236-b2c6-51f04f73635e",
      "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 06:12:46.112965+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a041d9-77f3-7236-b2c6-51f04f73635e"
    },
    {
      "id": "chg_01a041d9-77f3-7737-b780-9ee361116656",
      "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 06:12:46.112965+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a041d9-77f3-7737-b780-9ee361116656"
    },
    {
      "id": "chg_01a041d9-77f4-7829-9875-26096ad3409c",
      "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 06:12:46.112965+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a041d9-77f4-7829-9875-26096ad3409c"
    },
    {
      "id": "chg_01a041d9-77f5-77b8-a64e-94a34f2ff8d8",
      "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 06:12:46.112965+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a041d9-77f5-77b8-a64e-94a34f2ff8d8"
    },
    {
      "id": "chg_01a0378c-91e2-7a58-89e8-f9f664e5480b",
      "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 06:12:34.158193+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a0378c-91e2-7a58-89e8-f9f664e5480b"
    },
    {
      "id": "chg_01a02d3f-81d9-7974-9702-1a03c9290347",
      "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 06:12:11.763674+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a02d3f-81d9-7974-9702-1a03c9290347"
    },
    {
      "id": "chg_01a02d3f-81da-7995-b784-ee58ac4f90ed",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 06:12:11.763674+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a02d3f-81da-7995-b784-ee58ac4f90ed"
    },
    {
      "id": "chg_01a02d3f-81da-7e73-82f7-58e6983b40d2",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 06:12:11.763674+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a02d3f-81da-7e73-82f7-58e6983b40d2"
    },
    {
      "id": "chg_01a02d3f-81db-73a8-8f33-51ef0d879acd",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 06:12:11.763674+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a02d3f-81db-73a8-8f33-51ef0d879acd"
    },
    {
      "id": "chg_01a02d3f-81db-798e-9cc0-8d13f15a569c",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 06:12:11.763674+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a02d3f-81db-798e-9cc0-8d13f15a569c"
    },
    {
      "id": "chg_01a02819-7e85-7c88-976d-8cf7e235a2dd",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive_unverified",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 06:12:34.423132+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a02819-7e85-7c88-976d-8cf7e235a2dd"
    },
    {
      "id": "chg_01a02819-7e89-76b0-8aa6-b2315e3ad051",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 06:12:34.423132+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a02819-7e89-76b0-8aa6-b2315e3ad051"
    },
    {
      "id": "chg_01a02819-7e8a-76c8-a58d-530628cfb796",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 06:12:34.423132+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a02819-7e8a-76c8-a58d-530628cfb796"
    },
    {
      "id": "chg_01a02819-7e8b-708b-b631-40550304c126",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 06:12:34.423132+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a02819-7e8b-708b-b631-40550304c126"
    },
    {
      "id": "chg_01a02819-7e8b-78c7-9be2-37a01f256b0d",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 06:12:34.423132+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a02819-7e8b-78c7-9be2-37a01f256b0d"
    },
    {
      "id": "chg_01a02819-7e8b-7ec6-9fe0-b98832553bc3",
      "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 06:12:34.423132+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a02819-7e8b-7ec6-9fe0-b98832553bc3"
    },
    {
      "id": "chg_01a02819-7e8c-7ce3-8860-4906caca3f85",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 06:12:34.423132+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a02819-7e8c-7ce3-8860-4906caca3f85"
    },
    {
      "id": "chg_01a022f2-f653-7cdb-8e36-f8f5e66a5ad8",
      "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": {
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      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 06:12:23.047941+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a022f2-f653-7cdb-8e36-f8f5e66a5ad8"
    },
    {
      "id": "chg_01a022f2-f654-7f41-b8fe-92042ad9a8b3",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 06:12:23.047941+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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a022f2-f654-7f41-b8fe-92042ad9a8b3"
    },
    {
      "id": "chg_01a022f2-f655-7def-b271-e2af47b4af60",
      "kind": "tool.description_changed",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 06:12:23.047941+00",
      "observed_since": "2026-08-20",
      "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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a022f2-f655-7def-b271-e2af47b4af60"
    },
    {
      "id": "chg_01a022f2-f656-7537-b698-55edf592f55c",
      "kind": "tool.description_changed",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 06:12:23.047941+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a022f2-f656-7537-b698-55edf592f55c"
    },
    {
      "id": "chg_01a022f2-f658-7519-9257-ccadc0dc914f",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 06:12:23.047941+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a022f2-f658-7519-9257-ccadc0dc914f"
    },
    {
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 06:12:42.303503+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a01dcc-e566-7143-8986-668ba58eb76e"
    },
    {
      "id": "chg_01a01dcc-e567-793a-b79f-3f5e1b1ff403",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 06:12:42.303503+00",
      "observed_since": "2026-08-19",
      "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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a01dcc-e567-793a-b79f-3f5e1b1ff403"
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    {
      "id": "chg_01a01dcc-e568-7530-abed-b3795f96bee8",
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      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 06:12:42.303503+00",
      "observed_since": "2026-08-19",
      "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-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a01dcc-e568-7530-abed-b3795f96bee8"
    },
    {
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      "to_value": null,
      "materiality": "security",
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      "detail": {
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      "occurred_at": "2026-08-20 06:12:42.303503+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a01dcc-e569-7049-8bd5-337be894f753"
    },
    {
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      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a01dcc-e569-7711-b9dd-14282b7eeefb"
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    {
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      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_01a018a5-26d0-7463-b04f-9dd8df1fb81b"
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