{
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      "summary": "Authorization (fail → pass)",
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      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a1a902-eed4-7f10-a9d7-2d867d55834e"
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      "occurred_at": "2026-11-05 00:01:44.008567+00",
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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-vendor-signals/vendor-signals-mcp#chg-chg_01a1a902-eed6-7bd2-9eee-765e887e76c6"
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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-vendor-signals/vendor-signals-mcp#chg-chg_01a1a902-eecd-75a1-9ca0-6255ec980c1e"
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      "source": "scan",
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      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a1a902-eed1-7842-91b6-05d4b94db3b4"
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      "occurred_at": "2026-11-05 00:01:44.008567+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a1a902-eed5-76e9-b1ec-73ab3dbafcb8"
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    {
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      "occurred_at": "2026-11-04 00:01:38.242814+00",
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      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a1a3dc-7c32-7bfa-861c-d913d2856be2"
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      "detail": {
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      "occurred_at": "2026-11-04 00:01:38.242814+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a1a3dc-7c2e-788c-b3ce-63cec4dbd81c"
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    {
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      "detail": {
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      "occurred_at": "2026-11-04 00:01:38.242814+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1a3dc-7c30-7c7e-8607-ecaf8aee52ba"
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      "occurred_at": "2026-11-04 00:01:38.242814+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1a3dc-7c31-7e73-a8f2-286a7fc9ca07"
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      "occurred_at": "2026-11-04 00:01:38.242814+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a1a3dc-7c34-7ac3-9ad9-1240cea4aa23"
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    {
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      "materiality": "security",
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      "occurred_at": "2026-11-03 00:01:26.572583+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-vendor-signals/vendor-signals-mcp#chg-chg_01a19eb5-f27e-73d1-9afc-7a282380e25a"
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    {
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      "materiality": "security",
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 00:01:26.572583+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-vendor-signals/vendor-signals-mcp#chg-chg_01a19eb5-f27f-7d64-b15e-481e09b7e6e4"
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    {
      "id": "chg_01a19eb5-f279-77ee-af48-dbe82be7cfc2",
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 00:01:26.572583+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-vendor-signals/vendor-signals-mcp#chg-chg_01a19eb5-f279-77ee-af48-dbe82be7cfc2"
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    {
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 00:01:26.572583+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-vendor-signals/vendor-signals-mcp#chg-chg_01a19eb5-f27d-7b8c-85a9-2ad7a4ad961c"
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      "materiality": "security",
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 00:01:26.572583+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-vendor-signals/vendor-signals-mcp#chg-chg_01a19eb5-f27e-7a7a-933b-7f7c1b1c34eb"
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    {
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      "materiality": "security",
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      "occurred_at": "2026-11-02 00:01:46.320154+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1998f-e3a3-7459-aac6-0533d727d00b"
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    {
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      "materiality": "security",
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      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 00:01:46.320154+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1998f-e3a6-75de-8a32-ab07145eb41e"
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    {
      "id": "chg_01a1998f-e39e-789e-a2c8-319f41dac16b",
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      "from_code": null,
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 00:01:46.320154+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1998f-e39e-789e-a2c8-319f41dac16b"
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    {
      "id": "chg_01a1998f-e3a1-7599-9200-c8954101f1c7",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
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      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 00:01:46.320154+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1998f-e3a1-7599-9200-c8954101f1c7"
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    {
      "id": "chg_01a1998f-e3a5-7067-9fcc-dae21efd3f93",
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      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 00:01:46.320154+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1998f-e3a5-7067-9fcc-dae21efd3f93"
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    {
      "id": "chg_01a18f42-78ad-7983-a9bd-b73e22d07d87",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 00:01:00.47524+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18f42-78ad-7983-a9bd-b73e22d07d87"
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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 00:01:00.47524+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18f42-78ae-7215-9b33-2222408e2501"
    },
    {
      "id": "chg_01a18f42-78a5-7aba-be0b-f276c036475f",
      "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": "2026-10-31",
      "occurred_at": "2026-10-31 00:01:00.47524+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18f42-78a5-7aba-be0b-f276c036475f"
    },
    {
      "id": "chg_01a18f42-78ac-7823-bce7-4f0db0799e5d",
      "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": "2026-10-31",
      "occurred_at": "2026-10-31 00:01:00.47524+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18f42-78ac-7823-bce7-4f0db0799e5d"
    },
    {
      "id": "chg_01a18f42-78ad-71b6-b9e6-c9b1b5f7166b",
      "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": "2026-10-31",
      "occurred_at": "2026-10-31 00:01:00.47524+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18f42-78ad-71b6-b9e6-c9b1b5f7166b"
    },
    {
      "id": "chg_01a18a39-5baf-75ee-ab12-228119d29499",
      "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 00:32:57.227645+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a18a39-5baf-75ee-ab12-228119d29499"
    },
    {
      "id": "chg_01a18a39-5bb0-7ac3-b94d-cd9280e990fd",
      "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 00:32:57.227645+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18a39-5bb0-7ac3-b94d-cd9280e990fd"
    },
    {
      "id": "chg_01a18a39-5bb1-71c2-a97b-3800a2dd68d6",
      "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 00:32:57.227645+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18a39-5bb1-71c2-a97b-3800a2dd68d6"
    },
    {
      "id": "chg_01a18a39-5bb1-77e3-891b-cf177ad50fe8",
      "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 00:32:57.227645+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18a39-5bb1-77e3-891b-cf177ad50fe8"
    },
    {
      "id": "chg_01a18a39-5bb1-7d79-b9a3-b6eb3df97dd6",
      "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 00:32:57.227645+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18a39-5bb1-7d79-b9a3-b6eb3df97dd6"
    },
    {
      "id": "chg_01a18a39-5bb2-733d-8630-ef7de5b611d8",
      "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 00:32:57.227645+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18a39-5bb2-733d-8630-ef7de5b611d8"
    },
    {
      "id": "chg_01a18a39-5bb2-7a20-89ec-2f5a95bd0cbc",
      "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 00:32:57.227645+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18a39-5bb2-7a20-89ec-2f5a95bd0cbc"
    },
    {
      "id": "chg_01a18510-24ae-718f-94bf-ab8847962390",
      "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 00:29:50.091451+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18510-24ae-718f-94bf-ab8847962390"
    },
    {
      "id": "chg_01a18510-24ae-776f-9304-d780be27f6a1",
      "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 00:29:50.091451+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18510-24ae-776f-9304-d780be27f6a1"
    },
    {
      "id": "chg_01a18510-24ae-7d8a-b051-edffa229e761",
      "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 00:29:50.091451+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18510-24ae-7d8a-b051-edffa229e761"
    },
    {
      "id": "chg_01a18510-24af-73b5-ac72-7bbc50bc4722",
      "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 00:29:50.091451+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18510-24af-73b5-ac72-7bbc50bc4722"
    },
    {
      "id": "chg_01a18510-24b0-71c1-ab53-9c987aed6a40",
      "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 00:29:50.091451+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18510-24b0-71c1-ab53-9c987aed6a40"
    },
    {
      "id": "chg_01a18510-24b0-7666-84c8-407210a63cbc",
      "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 00:29:50.091451+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-vendor-signals/vendor-signals-mcp#chg-chg_01a18510-24b0-7666-84c8-407210a63cbc"
    },
    {
      "id": "chg_01a18510-24ad-74fb-a238-67c26f9600c6",
      "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 00:29:50.091451+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a18510-24ad-74fb-a238-67c26f9600c6"
    },
    {
      "id": "chg_01a17fe9-1bf6-7354-8f75-17c6c06b9cb1",
      "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 00:29:05.874807+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-vendor-signals/vendor-signals-mcp#chg-chg_01a17fe9-1bf6-7354-8f75-17c6c06b9cb1"
    },
    {
      "id": "chg_01a17fe9-1bf7-7686-94e8-1734ba637ee0",
      "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 00:29:05.874807+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-vendor-signals/vendor-signals-mcp#chg-chg_01a17fe9-1bf7-7686-94e8-1734ba637ee0"
    },
    {
      "id": "chg_01a17fe9-1bf7-7e49-854c-b327209bfb4b",
      "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 00:29:05.874807+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-vendor-signals/vendor-signals-mcp#chg-chg_01a17fe9-1bf7-7e49-854c-b327209bfb4b"
    },
    {
      "id": "chg_01a17fe9-1bf8-7919-a9c9-882ee63f7921",
      "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 00:29:05.874807+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-vendor-signals/vendor-signals-mcp#chg-chg_01a17fe9-1bf8-7919-a9c9-882ee63f7921"
    },
    {
      "id": "chg_01a17fe9-1bf9-7320-b2d1-bb9b04a01c71",
      "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 00:29:05.874807+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-vendor-signals/vendor-signals-mcp#chg-chg_01a17fe9-1bf9-7320-b2d1-bb9b04a01c71"
    },
    {
      "id": "chg_01a17fe9-1bfa-7e23-abf3-b8221d6f4373",
      "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 00:29:05.874807+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-vendor-signals/vendor-signals-mcp#chg-chg_01a17fe9-1bfa-7e23-abf3-b8221d6f4373"
    },
    {
      "id": "chg_01a17ac1-c108-7e0e-b2ae-9fba5e1a204f",
      "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 00:28:00.583773+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-vendor-signals/vendor-signals-mcp#chg-chg_01a17ac1-c108-7e0e-b2ae-9fba5e1a204f"
    },
    {
      "id": "chg_01a17ac1-c103-7f05-9f23-63bdd0195ab2",
      "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 00:28:00.583773+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a17ac1-c103-7f05-9f23-63bdd0195ab2"
    },
    {
      "id": "chg_01a17ac1-c105-76ff-9202-34ae8de83c89",
      "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": "2026-10-27",
      "occurred_at": "2026-10-27 00:28:00.583773+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a17ac1-c105-76ff-9202-34ae8de83c89"
    },
    {
      "id": "chg_01a17ac1-c106-768c-9db3-538fab76bd5c",
      "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 00:28:00.583773+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a17ac1-c106-768c-9db3-538fab76bd5c"
    },
    {
      "id": "chg_01a17ac1-c106-7eb1-a377-38b4e47db33b",
      "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 00:28:00.583773+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-vendor-signals/vendor-signals-mcp#chg-chg_01a17ac1-c106-7eb1-a377-38b4e47db33b"
    },
    {
      "id": "chg_01a17ac1-c107-76fc-9c45-72b84f8a638e",
      "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 00:28:00.583773+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-vendor-signals/vendor-signals-mcp#chg-chg_01a17ac1-c107-76fc-9c45-72b84f8a638e"
    },
    {
      "id": "chg_01a17ac1-c108-70b6-bd34-02bec4d310d7",
      "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 00:28:00.583773+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-vendor-signals/vendor-signals-mcp#chg-chg_01a17ac1-c108-70b6-bd34-02bec4d310d7"
    },
    {
      "id": "chg_01a17ac1-c108-76f3-99ad-59a9dc35e879",
      "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 00:28:00.583773+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-vendor-signals/vendor-signals-mcp#chg-chg_01a17ac1-c108-76f3-99ad-59a9dc35e879"
    },
    {
      "id": "chg_01a1759b-0384-70e1-a338-44933e88f337",
      "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 00:27:35.650673+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-0384-70e1-a338-44933e88f337"
    },
    {
      "id": "chg_01a1759b-037f-7601-8a99-b06383b8c434",
      "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 00:27:35.650673+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-037f-7601-8a99-b06383b8c434"
    },
    {
      "id": "chg_01a1759b-0380-7744-8467-7d19d3c30664",
      "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 00:27:35.650673+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-0380-7744-8467-7d19d3c30664"
    },
    {
      "id": "chg_01a1759b-0385-71a7-85d6-9a4a05192e1b",
      "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 00:27:35.650673+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-0385-71a7-85d6-9a4a05192e1b"
    },
    {
      "id": "chg_01a1759b-0385-7e77-b030-62c70c601324",
      "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 00:27:35.650673+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-0385-7e77-b030-62c70c601324"
    },
    {
      "id": "chg_01a1759b-0386-7acf-8c13-f2ce51ef18ab",
      "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 00:27:35.650673+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-0386-7acf-8c13-f2ce51ef18ab"
    },
    {
      "id": "chg_01a1759b-0388-73a5-8593-1f0ffedf6412",
      "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 00:27:35.650673+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-0388-73a5-8593-1f0ffedf6412"
    },
    {
      "id": "chg_01a1759b-0388-7b28-8849-c24b997f92ba",
      "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 00:27:35.650673+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-0388-7b28-8849-c24b997f92ba"
    },
    {
      "id": "chg_01a1759b-038a-7587-ac37-5148db0b920b",
      "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 00:27:35.650673+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-038a-7587-ac37-5148db0b920b"
    },
    {
      "id": "chg_01a1759b-038a-7c3d-baf2-48e6a82a2dad",
      "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 00:27:35.650673+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-038a-7c3d-baf2-48e6a82a2dad"
    },
    {
      "id": "chg_01a1759b-038c-7054-8212-0999d0c224c1",
      "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 00:27:35.650673+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-038c-7054-8212-0999d0c224c1"
    },
    {
      "id": "chg_01a1759b-038d-78f8-becf-1226ff4242c7",
      "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 00:27:35.650673+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-038d-78f8-becf-1226ff4242c7"
    },
    {
      "id": "chg_01a1759b-0390-771a-a4aa-ced7a610f3f5",
      "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 00:27:35.650673+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-vendor-signals/vendor-signals-mcp#chg-chg_01a1759b-0390-771a-a4aa-ced7a610f3f5"
    },
    {
      "id": "chg_01a10ebc-d61e-7177-8b05-4ecfa666e447",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.57",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "tools_unlisted"
      },
      "occurred_on": "2026-10-06",
      "occurred_at": "2026-10-06 01:03:30.440715+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Stability (0.57 → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a10ebc-d61e-7177-8b05-4ecfa666e447"
    },
    {
      "id": "chg_01a10ebc-d686-7934-806f-24947d573522",
      "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 01:03:30.440715+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a10ebc-d686-7934-806f-24947d573522"
    },
    {
      "id": "chg_01a10ebc-d6e7-728a-b975-f5cbdc09b695",
      "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 01:03:30.440715+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a10ebc-d6e7-728a-b975-f5cbdc09b695"
    },
    {
      "id": "chg_01a0ff16-073d-78a8-8bae-82849120588a",
      "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 00:07:08.776103+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0ff16-073d-78a8-8bae-82849120588a"
    },
    {
      "id": "chg_01a0ff16-073e-7681-9caa-f041ecc1cf25",
      "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 00:07:08.776103+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0ff16-073e-7681-9caa-f041ecc1cf25"
    },
    {
      "id": "chg_01a0ff16-073e-7ac9-9c0d-aa0551e9bbf4",
      "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 00:07:08.776103+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0ff16-073e-7ac9-9c0d-aa0551e9bbf4"
    },
    {
      "id": "chg_01a0ff16-073e-7f2d-a227-629eb64e3ada",
      "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 00:07:08.776103+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0ff16-073e-7f2d-a227-629eb64e3ada"
    },
    {
      "id": "chg_01a0ff16-073f-7475-a484-06d91373b34f",
      "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 00:07:08.776103+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0ff16-073f-7475-a484-06d91373b34f"
    },
    {
      "id": "chg_01a0f4c8-efe9-7d43-8935-a838d410231e",
      "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 00:06:44.410007+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0f4c8-efe9-7d43-8935-a838d410231e"
    },
    {
      "id": "chg_01a0f4c8-efeb-7ec8-bd7c-e425e5586122",
      "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 00:06:44.410007+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0f4c8-efeb-7ec8-bd7c-e425e5586122"
    },
    {
      "id": "chg_01a0f4c8-efec-75ba-9d39-569c3baf138c",
      "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 00:06:44.410007+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0f4c8-efec-75ba-9d39-569c3baf138c"
    },
    {
      "id": "chg_01a0f4c8-efec-7a48-8218-2dc284d8dbc0",
      "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 00:06:44.410007+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0f4c8-efec-7a48-8218-2dc284d8dbc0"
    },
    {
      "id": "chg_01a0f4c8-efed-7008-b04b-296d4ac869d6",
      "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 00:06:44.410007+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0f4c8-efed-7008-b04b-296d4ac869d6"
    },
    {
      "id": "chg_01a0f4c8-efed-7607-a097-85a79a25a75e",
      "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 00:06:44.410007+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0f4c8-efed-7607-a097-85a79a25a75e"
    },
    {
      "id": "chg_01a0e02c-e80a-7cd6-b0ae-c734fadc6007",
      "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": "2026-09-27",
      "occurred_at": "2026-09-27 00:03:54.442169+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a0e02c-e80a-7cd6-b0ae-c734fadc6007"
    },
    {
      "id": "chg_01a0e02c-e80c-711c-8754-7ebb84cf9212",
      "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 00:03:54.442169+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a0e02c-e80c-711c-8754-7ebb84cf9212"
    },
    {
      "id": "chg_01a0e02c-e80d-767f-9516-c491f92ac8ae",
      "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 00:03:54.442169+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0e02c-e80d-767f-9516-c491f92ac8ae"
    },
    {
      "id": "chg_01a0e02c-e80f-7582-9085-6e47f583653d",
      "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": "2026-09-27",
      "occurred_at": "2026-09-27 00:03:54.442169+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0e02c-e80f-7582-9085-6e47f583653d"
    },
    {
      "id": "chg_01a0e02c-e80f-7a68-b1ab-3e5e9827526c",
      "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": "2026-09-27",
      "occurred_at": "2026-09-27 00:03:54.442169+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0e02c-e80f-7a68-b1ab-3e5e9827526c"
    },
    {
      "id": "chg_01a0e02c-e810-700f-8982-d30c09681989",
      "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": "2026-09-27",
      "occurred_at": "2026-09-27 00:03:54.442169+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0e02c-e810-700f-8982-d30c09681989"
    },
    {
      "id": "chg_01a0e02c-e821-721c-9988-6263e68fa5f6",
      "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 00:03:54.442169+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-vendor-signals/vendor-signals-mcp#chg-chg_01a0e02c-e821-721c-9988-6263e68fa5f6"
    },
    {
      "id": "chg_01a0d703-318e-7d1f-aa70-9fe20f0e0515",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.23",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "tools_unlisted"
      },
      "occurred_on": "2026-09-25",
      "occurred_at": "2026-09-25 05:21:45.717283+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Stability (0.23 → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a0d703-318e-7d1f-aa70-9fe20f0e0515"
    },
    {
      "id": "chg_01a0d703-318f-7d44-a864-a342fcafb197",
      "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": "2026-09-25",
      "occurred_at": "2026-09-25 05:21:45.717283+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a0d703-318f-7d44-a864-a342fcafb197"
    },
    {
      "id": "chg_01a0d703-3190-75b8-a9a8-95fad0cc2a4f",
      "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": "2026-09-25",
      "occurred_at": "2026-09-25 05:21:45.717283+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a0d703-3190-75b8-a9a8-95fad0cc2a4f"
    },
    {
      "id": "chg_01a0d0b8-b3b8-7aaf-b1d9-e07c8298e978",
      "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": "2026-09-24",
      "occurred_at": "2026-09-24 00:02:40.655344+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a0d0b8-b3b8-7aaf-b1d9-e07c8298e978"
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      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a0d0b8-b3bd-7f26-830f-25114871484a"
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    {
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      "observed_since": "2026-09-23",
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      "source": "scan",
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      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-vendor-signals/vendor-signals-mcp#chg-chg_01a0cb92-d92c-7e61-b141-cb0b45f22aa7"
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