{
  "server": "pipeworx-io-bookbrainz",
  "component": "bookbrainz-mcp",
  "generated_at": "2026-08-04T03:00:01.901Z",
  "tracking_since": "2026-07-26",
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  },
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      "occurred_at": "2026-08-03 09:09:21.834773+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fc6e2-853f-73b8-a92d-3ec8f8639911"
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    {
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 09:09:21.834773+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fc6e2-853e-7cc8-a407-fe9126852043"
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    {
      "id": "chg_019fc6e2-853e-77b6-9e21-d4a929ed126c",
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      "occurred_at": "2026-08-03 09:09:21.834773+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fc6e2-853e-77b6-9e21-d4a929ed126c"
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    {
      "id": "chg_019fc6e2-853e-718f-a591-9a5a293e41ae",
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      "detail": {
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 09:09:21.834773+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fc6e2-853e-718f-a591-9a5a293e41ae"
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    {
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      "detail": {
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 09:09:21.834773+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fc6e2-853c-7ef2-b7a0-26c65d01ba49"
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    {
      "id": "chg_019fc1c1-02ff-784a-bf13-d53523ecdbc0",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 09:14:39.724828+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fc1c1-02ff-784a-bf13-d53523ecdbc0"
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    {
      "id": "chg_019fc1c1-0301-7b0c-81d3-095a539fcedb",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 09:14:39.724828+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fc1c1-0301-7b0c-81d3-095a539fcedb"
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    {
      "id": "chg_019fc1c1-0304-76bd-890f-a62dc9a995c8",
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      "family": "",
      "subject_kind": "server",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 09:14:39.724828+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fc1c1-0304-76bd-890f-a62dc9a995c8"
    },
    {
      "id": "chg_019fc1c1-0304-716f-8555-418f2927de0e",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 09:14:39.724828+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fc1c1-0304-716f-8555-418f2927de0e"
    },
    {
      "id": "chg_019fc1c1-0302-75af-a239-f12f011093ca",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 09:14:39.724828+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fc1c1-0302-75af-a239-f12f011093ca"
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    {
      "id": "chg_019fbca1-5df5-74e8-a71b-3710a87a547b",
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      "subject": "auth-oauth",
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      "from_code": "auth.none_destructive",
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      "from_value": "fail",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:21:59.780084+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fbca1-5df5-74e8-a71b-3710a87a547b"
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    {
      "id": "chg_019fbca1-5df6-7397-ae42-0c7bddb51605",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:21:59.780084+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fbca1-5df6-7397-ae42-0c7bddb51605"
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    {
      "id": "chg_019fbca1-5df6-78d8-9746-2031536141ca",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:21:59.780084+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fbca1-5df6-78d8-9746-2031536141ca"
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    {
      "id": "chg_019fbca1-5df6-7cce-8d03-6d5c02a1d90a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:21:59.780084+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fbca1-5df6-7cce-8d03-6d5c02a1d90a"
    },
    {
      "id": "chg_019fbca1-5df7-7136-8297-f8e345da4272",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:21:59.780084+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fbca1-5df7-7136-8297-f8e345da4272"
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    {
      "id": "chg_019fbca1-5df7-7502-bade-0a7c6bdc2fd3",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:21:59.780084+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fbca1-5df7-7502-bade-0a7c6bdc2fd3"
    },
    {
      "id": "chg_019faed8-ee2d-7af1-81c5-4bfb2f25989d",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive_unverified",
      "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": "2026-07-29",
      "occurred_at": "2026-07-29 17:08:00.155628+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019faed8-ee2d-7af1-81c5-4bfb2f25989d"
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    {
      "id": "chg_019faed8-ee30-72f9-8c15-ac8d1522e7dc",
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      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 17:08:00.155628+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019faed8-ee30-72f9-8c15-ac8d1522e7dc"
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    {
      "id": "chg_019faed8-ee2f-7514-8bac-3490a8bfeee6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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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"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 17:08:00.155628+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019faed8-ee2f-7514-8bac-3490a8bfeee6"
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    {
      "id": "chg_019faed8-ee31-7bb5-a69b-71da0a9ed938",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 17:08:00.155628+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019faed8-ee31-7bb5-a69b-71da0a9ed938"
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    {
      "id": "chg_019faed8-ee32-72bb-b535-91e563d6fbda",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 17:08:00.155628+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019faed8-ee32-72bb-b535-91e563d6fbda"
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    {
      "id": "chg_019faed8-ee32-7eed-b116-0e7cabc1ec13",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 17:08:00.155628+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019faed8-ee32-7eed-b116-0e7cabc1ec13"
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    {
      "id": "chg_019fa9e2-c700-7b37-8c19-9ac3967bbcb0",
      "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"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 18:00:39.406331+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fa9e2-c700-7b37-8c19-9ac3967bbcb0"
    },
    {
      "id": "chg_019fa9e2-c702-745c-b4ce-5fc5241968d0",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 18:00:39.406331+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fa9e2-c702-745c-b4ce-5fc5241968d0"
    },
    {
      "id": "chg_019fa9e2-c701-7d27-8857-9ca1312e5407",
      "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"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 18:00:39.406331+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fa9e2-c701-7d27-8857-9ca1312e5407"
    },
    {
      "id": "chg_019fa9e2-c700-741a-85d2-6a4014539da3",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 18:00:39.406331+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fa9e2-c700-741a-85d2-6a4014539da3"
    },
    {
      "id": "chg_019fa9e2-c6ff-7b09-9219-a2982b9ab361",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 18:00:39.406331+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fa9e2-c6ff-7b09-9219-a2982b9ab361"
    },
    {
      "id": "chg_019fa9e2-c701-733c-b051-4e78ee434d49",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 18:00:39.406331+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-bookbrainz/bookbrainz-mcp#chg-chg_019fa9e2-c701-733c-b051-4e78ee434d49"
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}