{
  "server": "pipeworx-io-nager-holidays",
  "component": "nager-holidays-mcp",
  "generated_at": "2026-08-04T03:44:48.305Z",
  "tracking_since": "2026-07-26",
  "counts": {
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    "security": 23,
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  },
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      "occurred_at": "2026-08-03 08:00:06.028986+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-nager-holidays/nager-holidays-mcp#chg-chg_019fc6a3-1bb9-7d6a-a491-931d8583dc33"
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    {
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        "tool": "deep_research"
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 08:00:06.028986+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-nager-holidays/nager-holidays-mcp#chg-chg_019fc6a3-1bb9-78cb-ba19-661e11863a24"
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    {
      "id": "chg_019fc6a3-1bb9-7273-89a3-5d503c74bccb",
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      "materiality": "security",
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 08:00:06.028986+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-nager-holidays/nager-holidays-mcp#chg-chg_019fc6a3-1bb9-7273-89a3-5d503c74bccb"
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    {
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 08:00:06.028986+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-nager-holidays/nager-holidays-mcp#chg-chg_019fc6a3-1bb6-7529-aa7c-942e8daca5bc"
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    {
      "id": "chg_019fc6a3-1bb5-74cc-8781-232ec0b114e9",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 08:00:06.028986+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-nager-holidays/nager-holidays-mcp#chg-chg_019fc6a3-1bb5-74cc-8781-232ec0b114e9"
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    {
      "id": "chg_019fc6a3-1bb3-701a-8a81-0aa129687e01",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
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      "from_code": "auth.none_destructive",
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      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 08:00:06.028986+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nager-holidays/nager-holidays-mcp#chg-chg_019fc6a3-1bb3-701a-8a81-0aa129687e01"
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    {
      "id": "chg_019fc17e-b314-7187-9de2-9cb4429097c6",
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      "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": "2026-08-02",
      "occurred_at": "2026-08-02 08:02:13.892757+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nager-holidays/nager-holidays-mcp#chg-chg_019fc17e-b314-7187-9de2-9cb4429097c6"
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    {
      "id": "chg_019fc17e-b315-72a3-8559-ac8b8e02726c",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 08:02:13.892757+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-nager-holidays/nager-holidays-mcp#chg-chg_019fc17e-b315-72a3-8559-ac8b8e02726c"
    },
    {
      "id": "chg_019fc17e-b316-7a44-9f1e-45557fcfa54a",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 08:02:13.892757+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-nager-holidays/nager-holidays-mcp#chg-chg_019fc17e-b316-7a44-9f1e-45557fcfa54a"
    },
    {
      "id": "chg_019fc17e-b316-7648-b0c7-bb3f6b8b9646",
      "kind": "tool.description_changed",
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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 08:02:13.892757+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-nager-holidays/nager-holidays-mcp#chg-chg_019fc17e-b316-7648-b0c7-bb3f6b8b9646"
    },
    {
      "id": "chg_019fc17e-b316-7099-abfc-914c5a0103fa",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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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 08:02:13.892757+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-nager-holidays/nager-holidays-mcp#chg-chg_019fc17e-b316-7099-abfc-914c5a0103fa"
    },
    {
      "id": "chg_019fc17e-b315-7930-85d5-7c0754d337a1",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 08:02:13.892757+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-nager-holidays/nager-holidays-mcp#chg-chg_019fc17e-b315-7930-85d5-7c0754d337a1"
    },
    {
      "id": "chg_019fbc5b-230e-7083-b320-7b7ce491c8ba",
      "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": "2026-08-01",
      "occurred_at": "2026-08-01 08:05:17.182455+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nager-holidays/nager-holidays-mcp#chg-chg_019fbc5b-230e-7083-b320-7b7ce491c8ba"
    },
    {
      "id": "chg_019faf2d-093d-76ec-b06f-a78dc4d77f06",
      "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"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:39:52.111388+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nager-holidays/nager-holidays-mcp#chg-chg_019faf2d-093d-76ec-b06f-a78dc4d77f06"
    },
    {
      "id": "chg_019faf2d-093f-7c47-9a6a-0f84ccbbc870",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:39:52.111388+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-nager-holidays/nager-holidays-mcp#chg-chg_019faf2d-093f-7c47-9a6a-0f84ccbbc870"
    },
    {
      "id": "chg_019faf2d-093f-7740-a394-6a7ea500c329",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:39:52.111388+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-nager-holidays/nager-holidays-mcp#chg-chg_019faf2d-093f-7740-a394-6a7ea500c329"
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    {
      "id": "chg_019faf2d-093f-7251-a240-6051709539bb",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:39:52.111388+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-nager-holidays/nager-holidays-mcp#chg-chg_019faf2d-093f-7251-a240-6051709539bb"
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    {
      "id": "chg_019faf2d-093e-795a-b9ba-d5d50c675358",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:39:52.111388+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-nager-holidays/nager-holidays-mcp#chg-chg_019faf2d-093e-795a-b9ba-d5d50c675358"
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    {
      "id": "chg_019faf2d-093e-735d-a839-9e673bda5cc3",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:39:52.111388+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-nager-holidays/nager-holidays-mcp#chg-chg_019faf2d-093e-735d-a839-9e673bda5cc3"
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    {
      "id": "chg_019faa21-284b-7872-b600-b4a0f25b7fb7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
      "to_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 19:08:47.548065+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-nager-holidays/nager-holidays-mcp#chg-chg_019faa21-284b-7872-b600-b4a0f25b7fb7"
    },
    {
      "id": "chg_019faa21-284c-7f38-b306-e0c24fd34f15",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "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 19:08:47.548065+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-nager-holidays/nager-holidays-mcp#chg-chg_019faa21-284c-7f38-b306-e0c24fd34f15"
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    {
      "id": "chg_019faa21-284c-7bdf-affe-a91e8fe4fa4b",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 19:08:47.548065+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-nager-holidays/nager-holidays-mcp#chg-chg_019faa21-284c-7bdf-affe-a91e8fe4fa4b"
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    {
      "id": "chg_019faa21-284c-7768-a084-2404008e269d",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
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      "from_code": null,
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      "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 19:08:47.548065+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-nager-holidays/nager-holidays-mcp#chg-chg_019faa21-284c-7768-a084-2404008e269d"
    },
    {
      "id": "chg_019faa21-284c-7127-8d9e-4dc19bd011f4",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 19:08:47.548065+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-nager-holidays/nager-holidays-mcp#chg-chg_019faa21-284c-7127-8d9e-4dc19bd011f4"
    },
    {
      "id": "chg_019faa21-284a-7f09-95f0-0a0f41088c11",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 19:08:47.548065+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nager-holidays/nager-holidays-mcp#chg-chg_019faa21-284a-7f09-95f0-0a0f41088c11"
    }
  ],
  "days": [
    {
      "date": "2026-08-03",
      "total": 59,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-08-02",
      "total": 59,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-08-01",
      "total": 58,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-31",
      "total": 58,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-30",
      "total": 60,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-29",
      "total": 60,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-07-28",
      "total": 59,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
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    {
      "date": "2026-07-27",
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  ]
}