{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-abn-lookup",
  "component": "abn-lookup-mcp",
  "generated_at": "2026-09-21T07:51:31.312Z",
  "tracking_since": "2026-09-03",
  "counts": {
    "critical": 1,
    "security": 34,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0943e-04a2-7036-b529-1b47494e1405",
      "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 06:11:26.997957+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a0943e-04a2-7036-b529-1b47494e1405"
    },
    {
      "id": "chg_01a0943e-04a3-7d47-84ac-6d49eade4c7d",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.27",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "9",
        "added": "0",
        "breaks": "0",
        "removed": "34",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 06:11:26.997957+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Stability (0.27 → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a0943e-04a3-7d47-84ac-6d49eade4c7d"
    },
    {
      "id": "chg_01a0943e-04a4-7c00-afcb-b861038b2531",
      "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 06:11:26.997957+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a0943e-04a4-7c00-afcb-b861038b2531"
    },
    {
      "id": "chg_01a08f17-f983-7b30-8311-52410032f177",
      "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 06:11:48.057897+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-abn-lookup/abn-lookup-mcp#chg-chg_01a08f17-f983-7b30-8311-52410032f177"
    },
    {
      "id": "chg_01a08f17-f984-7bdc-8486-7b142b1b43f1",
      "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 06:11:48.057897+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-abn-lookup/abn-lookup-mcp#chg-chg_01a08f17-f984-7bdc-8486-7b142b1b43f1"
    },
    {
      "id": "chg_01a08f17-f985-7038-ad1a-e242f715cef7",
      "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 06:11:48.057897+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-abn-lookup/abn-lookup-mcp#chg-chg_01a08f17-f985-7038-ad1a-e242f715cef7"
    },
    {
      "id": "chg_01a08f17-f985-7481-8f3f-d3ecca919c30",
      "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 06:11:48.057897+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-abn-lookup/abn-lookup-mcp#chg-chg_01a08f17-f985-7481-8f3f-d3ecca919c30"
    },
    {
      "id": "chg_01a08f17-f985-7919-976e-c22902bd46b4",
      "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 06:11:48.057897+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-abn-lookup/abn-lookup-mcp#chg-chg_01a08f17-f985-7919-976e-c22902bd46b4"
    },
    {
      "id": "chg_01a089f1-cd84-7929-b550-575e5b518cb7",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 06:12:00.324158+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a089f1-cd84-7929-b550-575e5b518cb7"
    },
    {
      "id": "chg_01a089f1-cd85-7b94-8190-73956f7b7ce7",
      "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 06:12:00.324158+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a089f1-cd85-7b94-8190-73956f7b7ce7"
    },
    {
      "id": "chg_01a089f1-cd86-72aa-b8d2-3cde922e07a0",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 06:12:00.324158+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a089f1-cd86-72aa-b8d2-3cde922e07a0"
    },
    {
      "id": "chg_01a084cb-e023-7771-9570-c448fd7f0723",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.17",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "6",
        "added": "0",
        "breaks": "0",
        "removed": "34",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 06:12:28.780816+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.17 → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a084cb-e023-7771-9570-c448fd7f0723"
    },
    {
      "id": "chg_01a084cb-e024-7780-9d91-1438e4f6fc64",
      "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 06:12:28.780816+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a084cb-e024-7780-9d91-1438e4f6fc64"
    },
    {
      "id": "chg_01a084cb-e024-7d43-85ca-ff07a5bc6f63",
      "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 06:12:28.780816+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-abn-lookup/abn-lookup-mcp#chg-chg_01a084cb-e024-7d43-85ca-ff07a5bc6f63"
    },
    {
      "id": "chg_01a07fa9-7bca-72e4-9088-eb0a10149c8c",
      "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 06:16:48.584152+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a07fa9-7bca-72e4-9088-eb0a10149c8c"
    },
    {
      "id": "chg_01a07fa9-7bcf-7ae4-a841-dd1e7e4e726f",
      "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 06:16:48.584152+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-abn-lookup/abn-lookup-mcp#chg-chg_01a07fa9-7bcf-7ae4-a841-dd1e7e4e726f"
    },
    {
      "id": "chg_01a07fa9-7bd4-7e70-a7a7-6a8c73b0840e",
      "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 06:16:48.584152+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-abn-lookup/abn-lookup-mcp#chg-chg_01a07fa9-7bd4-7e70-a7a7-6a8c73b0840e"
    },
    {
      "id": "chg_01a07fa9-7bd9-7505-8f86-57a4427cc779",
      "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 06:16:48.584152+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-abn-lookup/abn-lookup-mcp#chg-chg_01a07fa9-7bd9-7505-8f86-57a4427cc779"
    },
    {
      "id": "chg_01a07fa9-7bdd-7818-9b4e-11a702fcaee1",
      "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 06:16:48.584152+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-abn-lookup/abn-lookup-mcp#chg-chg_01a07fa9-7bdd-7818-9b4e-11a702fcaee1"
    },
    {
      "id": "chg_01a07fa9-7bdd-7e19-8cb2-27cbaa0258cc",
      "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 06:16:48.584152+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-abn-lookup/abn-lookup-mcp#chg-chg_01a07fa9-7bdd-7e19-8cb2-27cbaa0258cc"
    },
    {
      "id": "chg_01a07a81-f31e-7081-a6d2-324156c05f0f",
      "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 06:15:31.661852+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a07a81-f31e-7081-a6d2-324156c05f0f"
    },
    {
      "id": "chg_01a07a81-f31f-71be-870e-731164f2a27d",
      "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 06:15:31.661852+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a07a81-f31f-71be-870e-731164f2a27d"
    },
    {
      "id": "chg_01a07558-c6b9-7f23-bebb-5f9604f3d5dd",
      "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 06:12:27.401484+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a07558-c6b9-7f23-bebb-5f9604f3d5dd"
    },
    {
      "id": "chg_01a07558-c6ba-7bcc-bb25-96d7642b028e",
      "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 06:12:27.401484+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a07558-c6ba-7bcc-bb25-96d7642b028e"
    },
    {
      "id": "chg_01a07558-c6bb-7154-957e-8011eb41dd08",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.07",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "3",
        "added": "0",
        "breaks": "0",
        "removed": "34",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 06:12:27.401484+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Stability (0.07 → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-abn-lookup/abn-lookup-mcp#chg-chg_01a07558-c6bb-7154-957e-8011eb41dd08"
    },
    {
      "id": "chg_01a07032-6675-7e7b-8210-2c747d73794c",
      "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 06:12:26.147434+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-abn-lookup/abn-lookup-mcp#chg-chg_01a07032-6675-7e7b-8210-2c747d73794c"
    },
    {
      "id": "chg_01a07032-6676-7743-80c4-d5b59011beb5",
      "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 06:12:26.147434+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-abn-lookup/abn-lookup-mcp#chg-chg_01a07032-6676-7743-80c4-d5b59011beb5"
    },
    {
      "id": "chg_01a07032-6676-7d5f-b88c-2253b2a4f1cb",
      "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 06:12:26.147434+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-abn-lookup/abn-lookup-mcp#chg-chg_01a07032-6676-7d5f-b88c-2253b2a4f1cb"
    },
    {
      "id": "chg_01a07032-6677-7331-a1e7-adf68176397f",
      "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 06:12:26.147434+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-abn-lookup/abn-lookup-mcp#chg-chg_01a07032-6677-7331-a1e7-adf68176397f"
    },
    {
      "id": "chg_01a07032-6677-7817-8bab-818d6c35e59a",
      "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 06:12:26.147434+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-abn-lookup/abn-lookup-mcp#chg-chg_01a07032-6677-7817-8bab-818d6c35e59a"
    },
    {
      "id": "chg_01a06b0b-f85e-7c97-aba2-cce776fc23f3",
      "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 06:12:21.584773+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-abn-lookup/abn-lookup-mcp#chg-chg_01a06b0b-f85e-7c97-aba2-cce776fc23f3"
    },
    {
      "id": "chg_01a06b0b-f85f-7adb-9859-40600067560c",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 06:12:21.584773+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-abn-lookup/abn-lookup-mcp#chg-chg_01a06b0b-f85f-7adb-9859-40600067560c"
    },
    {
      "id": "chg_01a06b0b-f861-7d42-9d45-86f96733a342",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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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": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 06:12:21.584773+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-abn-lookup/abn-lookup-mcp#chg-chg_01a06b0b-f861-7d42-9d45-86f96733a342"
    },
    {
      "id": "chg_01a06b0b-f862-7623-9f62-930f5bfd4124",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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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": {
        "tool": "deep_research"
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      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 06:12:21.584773+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-abn-lookup/abn-lookup-mcp#chg-chg_01a06b0b-f862-7623-9f62-930f5bfd4124"
    },
    {
      "id": "chg_01a06b0b-f862-7c97-ad34-2cef0dafec9a",
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      "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": "2026-09-04",
      "occurred_at": "2026-09-04 06:12:21.584773+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-abn-lookup/abn-lookup-mcp#chg-chg_01a06b0b-f862-7c97-ad34-2cef0dafec9a"
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  ],
  "days": [
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      "date": "2026-09-21",
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    {
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    {
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    {
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    {
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}