{
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  "server": "pipeworx-io-pcaob",
  "component": "pcaob-mcp",
  "generated_at": "2026-11-05T22:14:47.693Z",
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      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1a3f7-762e-73d9-a918-d712d5ee6180"
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      "occurred_at": "2026-11-04 00:31:06.254529+00",
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      "summary": "Authorization (fail → pass)",
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      "occurred_at": "2026-11-04 00:31:06.254529+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1a3f7-762e-7b90-914a-b4a8091f6ff9"
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      "occurred_at": "2026-11-04 00:31:06.254529+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1a3f7-762f-7a8c-b24b-c19c59a11332"
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    {
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      "occurred_at": "2026-11-04 00:31:06.254529+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1a3f7-762f-7266-9ca7-e7282969fa9e"
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      "occurred_at": "2026-11-04 00:31:06.254529+00",
      "observed_since": "2026-11-03",
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      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1a3f7-7630-72f4-96ca-cb18bde1b490"
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    {
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      "occurred_at": "2026-11-03 00:07:45.20705+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a19ebb-b972-7a86-9389-c8baa2c74b53"
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    {
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      "occurred_at": "2026-11-03 00:07:45.20705+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a19ebb-b973-70be-b19d-88067cc74014"
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    {
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      "occurred_at": "2026-11-03 00:07:45.20705+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a19ebb-b973-7674-894a-64a8ebfca57c"
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    {
      "id": "chg_01a19ebb-b970-781d-b34f-c3616dafc39b",
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      "occurred_at": "2026-11-03 00:07:45.20705+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a19ebb-b970-781d-b34f-c3616dafc39b"
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    {
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 00:07:45.20705+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a19ebb-b972-71dd-b38f-7ddbba7132b4"
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    {
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      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 00:15:50.851722+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1999c-c669-7c7b-ac96-408d85abf62d"
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    {
      "id": "chg_01a1999c-c667-7a1a-ba0f-28b6b9c12857",
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      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 00:15:50.851722+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1999c-c667-7a1a-ba0f-28b6b9c12857"
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    {
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      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 00:15:50.851722+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1999c-c669-75fe-9a81-ccddea08e5d1"
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    {
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      "subject_kind": "tool",
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      "materiality": "security",
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        "tool": "deep_research"
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      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 00:15:50.851722+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1999c-c66a-727b-8b2e-79c4f49a21bf"
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    {
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 00:15:50.851722+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1999c-c66a-7750-9c08-7902edbb0398"
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    {
      "id": "chg_01a1947b-dde7-7439-be04-2cd0b1616177",
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      "from_code": "auth.rfc9728_invoke",
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      "materiality": "critical",
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      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 00:21:48.091703+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1947b-dde7-7439-be04-2cd0b1616177"
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    {
      "id": "chg_01a18f59-d777-78ba-a658-18771bb42d66",
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      "materiality": "security",
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      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 00:26:32.135487+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18f59-d777-78ba-a658-18771bb42d66"
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    {
      "id": "chg_01a18f59-d778-7571-b5ac-330071f3ab62",
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      "subject_kind": "server",
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      "materiality": "security",
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      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 00:26:32.135487+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18f59-d778-7571-b5ac-330071f3ab62"
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    {
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 00:26:32.135487+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18f59-d775-7d7a-89be-8c78825ddfa3"
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    {
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      "from_code": "auth.none_destructive",
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      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
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      "detail": {},
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 00:26:32.135487+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18f59-d773-76b5-8eb4-281eb07f6d58"
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    {
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      "materiality": "security",
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      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 00:26:32.135487+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18f59-d776-74d3-95ac-47c334087ea5"
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    {
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      "detail": {
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      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 00:26:32.135487+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18f59-d777-728b-be78-dfc3e76b5d75"
    },
    {
      "id": "chg_01a18a3a-1f33-7d15-ba8c-725afa7518b4",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 00:33:47.264652+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18a3a-1f33-7d15-ba8c-725afa7518b4"
    },
    {
      "id": "chg_01a18a3a-1f31-7cb4-86ca-f0d3b90e5bb9",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 00:33:47.264652+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18a3a-1f31-7cb4-86ca-f0d3b90e5bb9"
    },
    {
      "id": "chg_01a18a3a-1f32-7c0d-978a-d74e2dcf8d4b",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 00:33:47.264652+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18a3a-1f32-7c0d-978a-d74e2dcf8d4b"
    },
    {
      "id": "chg_01a18a3a-1f33-77da-b9a8-885b1390f0ae",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 00:33:47.264652+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18a3a-1f33-77da-b9a8-885b1390f0ae"
    },
    {
      "id": "chg_01a18a3a-1f34-7294-9ed2-3f25a24a98bb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_entities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compare_entities"
      },
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 00:33:47.264652+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “compare_entities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18a3a-1f34-7294-9ed2-3f25a24a98bb"
    },
    {
      "id": "chg_01a18a3a-1f34-77df-9587-31a944772f1b",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 00:33:47.264652+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18a3a-1f34-77df-9587-31a944772f1b"
    },
    {
      "id": "chg_01a18a3a-1f34-7c93-b62f-94aca767e4dc",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 00:33:47.264652+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18a3a-1f34-7c93-b62f-94aca767e4dc"
    },
    {
      "id": "chg_01a18510-49bf-702a-bb1b-228069871539",
      "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": "2026-10-29",
      "occurred_at": "2026-10-29 00:29:59.58198+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18510-49bf-702a-bb1b-228069871539"
    },
    {
      "id": "chg_01a18510-49bf-753a-95d6-3d2227cc3bf7",
      "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": "2026-10-29",
      "occurred_at": "2026-10-29 00:29:59.58198+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18510-49bf-753a-95d6-3d2227cc3bf7"
    },
    {
      "id": "chg_01a18510-49bd-7ed2-863e-15edff4fd1e0",
      "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": "2026-10-29",
      "occurred_at": "2026-10-29 00:29:59.58198+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18510-49bd-7ed2-863e-15edff4fd1e0"
    },
    {
      "id": "chg_01a18510-49be-7410-91bb-03c51d1a81f9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "bet_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "bet_research"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 00:29:59.58198+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “bet_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18510-49be-7410-91bb-03c51d1a81f9"
    },
    {
      "id": "chg_01a18510-49bd-79fe-bb77-57e564f6b808",
      "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": "2026-10-29",
      "occurred_at": "2026-10-29 00:29:59.58198+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18510-49bd-79fe-bb77-57e564f6b808"
    },
    {
      "id": "chg_01a18510-49bd-74e3-93b0-530db6a25a7d",
      "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": "2026-10-29",
      "occurred_at": "2026-10-29 00:29:59.58198+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18510-49bd-74e3-93b0-530db6a25a7d"
    },
    {
      "id": "chg_01a18510-49bc-79a0-b615-ff782b979730",
      "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": "2026-10-29",
      "occurred_at": "2026-10-29 00:29:59.58198+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a18510-49bc-79a0-b615-ff782b979730"
    },
    {
      "id": "chg_01a17fe9-4072-73fc-877c-9122a5a93a34",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 00:29:15.209613+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17fe9-4072-73fc-877c-9122a5a93a34"
    },
    {
      "id": "chg_01a17fe9-4070-7259-8392-b903002b2946",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 00:29:15.209613+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17fe9-4070-7259-8392-b903002b2946"
    },
    {
      "id": "chg_01a17fe9-406f-7208-b837-8109668ef406",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 00:29:15.209613+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17fe9-406f-7208-b837-8109668ef406"
    },
    {
      "id": "chg_01a17fe9-406d-78b0-b3a1-e70179f19857",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 00:29:15.209613+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17fe9-406d-78b0-b3a1-e70179f19857"
    },
    {
      "id": "chg_01a17fe9-4070-7811-9be2-30e76b2d7383",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 00:29:15.209613+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17fe9-4070-7811-9be2-30e76b2d7383"
    },
    {
      "id": "chg_01a17fe9-4070-7c92-8bb5-9660d47be0c7",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 00:29:15.209613+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17fe9-4070-7c92-8bb5-9660d47be0c7"
    },
    {
      "id": "chg_01a17ac1-e4e8-783e-842b-f44e4f3c8f7a",
      "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": "2026-10-27",
      "occurred_at": "2026-10-27 00:28:09.795978+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17ac1-e4e8-783e-842b-f44e4f3c8f7a"
    },
    {
      "id": "chg_01a17ac1-e4e9-7a01-83e0-e58393870122",
      "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": "2026-10-27",
      "occurred_at": "2026-10-27 00:28:09.795978+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17ac1-e4e9-7a01-83e0-e58393870122"
    },
    {
      "id": "chg_01a17ac1-e4ea-71c1-9b7a-9f195c66e48b",
      "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": "2026-10-27",
      "occurred_at": "2026-10-27 00:28:09.795978+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17ac1-e4ea-71c1-9b7a-9f195c66e48b"
    },
    {
      "id": "chg_01a17ac1-e4ea-77bd-9125-85b258bf33cc",
      "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": "2026-10-27",
      "occurred_at": "2026-10-27 00:28:09.795978+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17ac1-e4ea-77bd-9125-85b258bf33cc"
    },
    {
      "id": "chg_01a17ac1-e4ea-7ec3-8f50-5ac7c9ab2c1f",
      "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": "2026-10-27",
      "occurred_at": "2026-10-27 00:28:09.795978+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17ac1-e4ea-7ec3-8f50-5ac7c9ab2c1f"
    },
    {
      "id": "chg_01a17ac1-e4eb-74bc-beeb-024d997943ae",
      "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": "2026-10-27",
      "occurred_at": "2026-10-27 00:28:09.795978+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17ac1-e4eb-74bc-beeb-024d997943ae"
    },
    {
      "id": "chg_01a17ac1-e4eb-79b3-b477-512d5d5b25eb",
      "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": "2026-10-27",
      "occurred_at": "2026-10-27 00:28:09.795978+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a17ac1-e4eb-79b3-b477-512d5d5b25eb"
    },
    {
      "id": "chg_01a1759b-2892-78d9-9a68-b2a0b0bf0e6b",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-2892-78d9-9a68-b2a0b0bf0e6b"
    },
    {
      "id": "chg_01a1759b-2895-7d94-bb41-f63aff5b9131",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-2895-7d94-bb41-f63aff5b9131"
    },
    {
      "id": "chg_01a1759b-2896-79e4-b9ae-0e9a71286daa",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-2896-79e4-b9ae-0e9a71286daa"
    },
    {
      "id": "chg_01a1759b-2897-738c-8998-c88390c1412b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "company_facts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "company_facts"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool “company_facts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-2897-738c-8998-c88390c1412b"
    },
    {
      "id": "chg_01a1759b-2897-7e6d-9cce-fdb4505575a3",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-2897-7e6d-9cce-fdb4505575a3"
    },
    {
      "id": "chg_01a1759b-2898-76ae-8619-a5effbb91f51",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-2898-76ae-8619-a5effbb91f51"
    },
    {
      "id": "chg_01a1759b-2899-7622-9594-f9715d3ea9a5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_fill_risk",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_fill_risk"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool “polymarket_fill_risk” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-2899-7622-9594-f9715d3ea9a5"
    },
    {
      "id": "chg_01a1759b-2899-7ad7-9195-835c0b80abd5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resolution_audit",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resolution_audit"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool “resolution_audit” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-2899-7ad7-9195-835c0b80abd5"
    },
    {
      "id": "chg_01a1759b-289a-7772-b89b-f6172766da27",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resolution_diff",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resolution_diff"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool “resolution_diff” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-289a-7772-b89b-f6172766da27"
    },
    {
      "id": "chg_01a1759b-289b-76ec-b688-7cab75f237ed",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "subscribe",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "subscribe"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool “subscribe” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-289b-76ec-b688-7cab75f237ed"
    },
    {
      "id": "chg_01a1759b-289e-7383-ba17-947e43067e02",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-289e-7383-ba17-947e43067e02"
    },
    {
      "id": "chg_01a1759b-2893-755c-acea-a9a7fcfdf1a1",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-2893-755c-acea-a9a7fcfdf1a1"
    },
    {
      "id": "chg_01a1759b-2895-728e-a9ef-598c913edf65",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 00:27:45.150053+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a1759b-2895-728e-a9ef-598c913edf65"
    },
    {
      "id": "chg_01a10ec0-aa9a-79e5-ae48-cb0438d19668",
      "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": "2026-10-06",
      "occurred_at": "2026-10-06 01:07:43.938102+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a10ec0-aa9a-79e5-ae48-cb0438d19668"
    },
    {
      "id": "chg_01a10ec0-aa9b-7259-ac6c-892e88e38a69",
      "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": "2026-10-06",
      "occurred_at": "2026-10-06 01:07:43.938102+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a10ec0-aa9b-7259-ac6c-892e88e38a69"
    },
    {
      "id": "chg_01a10ec0-aa38-7ec8-a660-34b884d54e76",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.60",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "tools_unlisted"
      },
      "occurred_on": "2026-10-06",
      "occurred_at": "2026-10-06 01:07:43.938102+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Stability (0.60 → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a10ec0-aa38-7ec8-a660-34b884d54e76"
    },
    {
      "id": "chg_01a0ff16-9684-7061-ab7c-2c9d137540c5",
      "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": "2026-10-03",
      "occurred_at": "2026-10-03 00:07:45.449851+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0ff16-9684-7061-ab7c-2c9d137540c5"
    },
    {
      "id": "chg_01a0ff16-9683-768a-b1b7-01709f0b2e64",
      "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": "2026-10-03",
      "occurred_at": "2026-10-03 00:07:45.449851+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0ff16-9683-768a-b1b7-01709f0b2e64"
    },
    {
      "id": "chg_01a0ff16-9681-7a9a-9f19-630c2bee26f2",
      "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": "2026-10-03",
      "occurred_at": "2026-10-03 00:07:45.449851+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0ff16-9681-7a9a-9f19-630c2bee26f2"
    },
    {
      "id": "chg_01a0ff16-9687-7e1f-a199-4be71e8a9eff",
      "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": "2026-10-03",
      "occurred_at": "2026-10-03 00:07:45.449851+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0ff16-9687-7e1f-a199-4be71e8a9eff"
    },
    {
      "id": "chg_01a0ff16-9684-75df-a5a0-cca6e1fffc13",
      "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": "2026-10-03",
      "occurred_at": "2026-10-03 00:07:45.449851+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0ff16-9684-75df-a5a0-cca6e1fffc13"
    },
    {
      "id": "chg_01a0f4c5-735c-74d9-ab1b-d7f613c89e04",
      "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": "2026-10-01",
      "occurred_at": "2026-10-01 00:02:55.915768+00",
      "observed_since": "2026-09-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0f4c5-735c-74d9-ab1b-d7f613c89e04"
    },
    {
      "id": "chg_01a0f4c5-735a-7d36-b179-d9ba04887bb4",
      "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": "2026-10-01",
      "occurred_at": "2026-10-01 00:02:55.915768+00",
      "observed_since": "2026-09-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0f4c5-735a-7d36-b179-d9ba04887bb4"
    },
    {
      "id": "chg_01a0f4c5-735a-7892-ab91-428d465ede68",
      "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": "2026-10-01",
      "occurred_at": "2026-10-01 00:02:55.915768+00",
      "observed_since": "2026-09-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0f4c5-735a-7892-ab91-428d465ede68"
    },
    {
      "id": "chg_01a0f4c5-7359-77aa-8953-40cfd397c261",
      "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": "2026-10-01",
      "occurred_at": "2026-10-01 00:02:55.915768+00",
      "observed_since": "2026-09-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0f4c5-7359-77aa-8953-40cfd397c261"
    },
    {
      "id": "chg_01a0f4c5-735b-7203-a378-5db2a94d7dcb",
      "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": "2026-10-01",
      "occurred_at": "2026-10-01 00:02:55.915768+00",
      "observed_since": "2026-09-30",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0f4c5-735b-7203-a378-5db2a94d7dcb"
    },
    {
      "id": "chg_01a0f4c5-735b-7da2-82e0-676aa172c35c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "release_calendar_markets",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "release_calendar_markets"
      },
      "occurred_on": "2026-10-01",
      "occurred_at": "2026-10-01 00:02:55.915768+00",
      "observed_since": "2026-09-30",
      "source": "scan",
      "summary": "Tool “release_calendar_markets” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0f4c5-735b-7da2-82e0-676aa172c35c"
    },
    {
      "id": "chg_01a0e02a-9cea-79e6-bd76-21eb5f706982",
      "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": "2026-09-27",
      "occurred_at": "2026-09-27 00:01:24.076918+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0e02a-9cea-79e6-bd76-21eb5f706982"
    },
    {
      "id": "chg_01a0e02a-9cb9-7720-ba77-68ea9a186490",
      "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"
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      "occurred_on": "2026-09-27",
      "occurred_at": "2026-09-27 00:01:24.076918+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0e02a-9cb9-7720-ba77-68ea9a186490"
    },
    {
      "id": "chg_01a0e02a-9cc1-7972-9d5a-de9d53932c80",
      "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": "2026-09-27",
      "occurred_at": "2026-09-27 00:01:24.076918+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0e02a-9cc1-7972-9d5a-de9d53932c80"
    },
    {
      "id": "chg_01a0e02a-9cc9-76e8-bbd8-81c31980d857",
      "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": "2026-09-27",
      "occurred_at": "2026-09-27 00:01:24.076918+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0e02a-9cc9-76e8-bbd8-81c31980d857"
    },
    {
      "id": "chg_01a0e02a-9cca-705e-a94f-b0a873989613",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-09-27",
      "occurred_at": "2026-09-27 00:01:24.076918+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0e02a-9cca-705e-a94f-b0a873989613"
    },
    {
      "id": "chg_01a0e02a-9cca-7f1e-a3f0-664231ca9c1a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-27",
      "occurred_at": "2026-09-27 00:01:24.076918+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0e02a-9cca-7f1e-a3f0-664231ca9c1a"
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    {
      "id": "chg_01a0e02a-9ccd-7a7c-baf0-ed4b33acd1e9",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-09-27",
      "occurred_at": "2026-09-27 00:01:24.076918+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0e02a-9ccd-7a7c-baf0-ed4b33acd1e9"
    },
    {
      "id": "chg_01a0db04-76d9-7b86-b179-f94e0ab12b3c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-09-26",
      "occurred_at": "2026-09-26 00:01:37.884086+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0db04-76d9-7b86-b179-f94e0ab12b3c"
    },
    {
      "id": "chg_01a0db04-76db-7c58-8064-1b171420a64f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-26",
      "occurred_at": "2026-09-26 00:01:37.884086+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0db04-76db-7c58-8064-1b171420a64f"
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    {
      "id": "chg_01a0db04-76dc-72ec-abf8-32825ae57e2a",
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      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-09-26",
      "occurred_at": "2026-09-26 00:01:37.884086+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0db04-76dc-72ec-abf8-32825ae57e2a"
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    {
      "id": "chg_01a0db04-76d7-750f-9118-39070eeb025c",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:01:37.884086+00",
      "observed_since": "2026-09-25",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0db04-76d7-750f-9118-39070eeb025c"
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    {
      "id": "chg_01a0db04-76d6-761d-bf0a-89ad7680fd99",
      "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": {
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      "occurred_on": "2026-09-26",
      "occurred_at": "2026-09-26 00:01:37.884086+00",
      "observed_since": "2026-09-25",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0db04-76d6-761d-bf0a-89ad7680fd99"
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    {
      "id": "chg_01a0db04-76db-74ae-b690-290aa1760df3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-09-26",
      "occurred_at": "2026-09-26 00:01:37.884086+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-pcaob/pcaob-mcp#chg-chg_01a0db04-76db-74ae-b690-290aa1760df3"
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    {
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    {
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    {
      "date": "2026-10-30",
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    {
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}