{
  "server": "pipeworx-io-holidays",
  "component": "holidays-mcp",
  "generated_at": "2026-08-03T22:01:21.662Z",
  "tracking_since": "2026-07-26",
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    "cosmetic": 0
  },
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      "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-holidays/holidays-mcp#chg-chg_019fc6e1-6fc0-7b2f-a700-77d7c3deb623"
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    {
      "id": "chg_019fc6e1-6fc1-77ca-a35b-45f306571118",
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 09:08:10.798657+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-holidays/holidays-mcp#chg-chg_019fc6e1-6fc1-77ca-a35b-45f306571118"
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    {
      "id": "chg_019fc6e1-6fc1-7dba-bc24-414fcc627b35",
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      "occurred_at": "2026-08-03 09:08:10.798657+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-holidays/holidays-mcp#chg-chg_019fc6e1-6fc1-7dba-bc24-414fcc627b35"
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    {
      "id": "chg_019fc6e1-6fc2-7436-b899-a90a3c8142a5",
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      "occurred_at": "2026-08-03 09:08:10.798657+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-holidays/holidays-mcp#chg-chg_019fc6e1-6fc2-7436-b899-a90a3c8142a5"
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    {
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      "occurred_at": "2026-08-03 09:08:10.798657+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-holidays/holidays-mcp#chg-chg_019fc6e1-6fc2-7998-bb30-7a5b23fc02cd"
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    {
      "id": "chg_019fc1be-7955-7dd8-b530-c1ac12aa5e5d",
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      "subject_kind": "tool",
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      "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-holidays/holidays-mcp#chg-chg_019fc1be-7955-7dd8-b530-c1ac12aa5e5d"
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    {
      "id": "chg_019fc1be-7956-76e8-927e-ad82ef463c72",
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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 09:11:53.413072+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-holidays/holidays-mcp#chg-chg_019fc1be-7956-76e8-927e-ad82ef463c72"
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    {
      "id": "chg_019fc1be-7956-72c7-bf7a-3e9976667ef3",
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 09:11:53.413072+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-holidays/holidays-mcp#chg-chg_019fc1be-7956-72c7-bf7a-3e9976667ef3"
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    {
      "id": "chg_019fc1be-7955-7866-929c-2b9172ef1c69",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 09:11:53.413072+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-holidays/holidays-mcp#chg-chg_019fc1be-7955-7866-929c-2b9172ef1c69"
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    {
      "id": "chg_019fc1be-7954-7eb1-90fa-26bb3f1d715b",
      "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",
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      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 09:11:53.413072+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-holidays/holidays-mcp#chg-chg_019fc1be-7954-7eb1-90fa-26bb3f1d715b"
    },
    {
      "id": "chg_019fbca1-cbed-7807-81bf-660b579866de",
      "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 09:22:27.900943+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-holidays/holidays-mcp#chg-chg_019fbca1-cbed-7807-81bf-660b579866de"
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    {
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      "subject_kind": "server",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:22:27.900943+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-holidays/holidays-mcp#chg-chg_019fbca1-cbf2-71f5-abdf-8a4f35d541b2"
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    {
      "id": "chg_019fbca1-cbf1-78b1-8902-2c54ad85c090",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:22:27.900943+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-holidays/holidays-mcp#chg-chg_019fbca1-cbf1-78b1-8902-2c54ad85c090"
    },
    {
      "id": "chg_019fbca1-cbee-7e5d-9f38-3e8f93105bba",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:22:27.900943+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-holidays/holidays-mcp#chg-chg_019fbca1-cbee-7e5d-9f38-3e8f93105bba"
    },
    {
      "id": "chg_019fbca1-cbee-793d-b357-344cd077dac2",
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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 09:22:27.900943+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-holidays/holidays-mcp#chg-chg_019fbca1-cbee-793d-b357-344cd077dac2"
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    {
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      "detail": {
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:22:27.900943+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-holidays/holidays-mcp#chg-chg_019fbca1-cbf1-7d9d-bef7-d0c39c531641"
    },
    {
      "id": "chg_019fb2b4-ad29-7ec7-8045-d90126621a11",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 11:06:53.077854+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-holidays/holidays-mcp#chg-chg_019fb2b4-ad29-7ec7-8045-d90126621a11"
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    {
      "id": "chg_019fb2b4-ad2a-7e66-9309-61524d13239c",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 11:06:53.077854+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-holidays/holidays-mcp#chg-chg_019fb2b4-ad2a-7e66-9309-61524d13239c"
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    {
      "id": "chg_019fb2b4-ad2b-753a-9362-ce158a6de125",
      "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,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 11:06:53.077854+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-holidays/holidays-mcp#chg-chg_019fb2b4-ad2b-753a-9362-ce158a6de125"
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    {
      "id": "chg_019fb2b4-ad2b-7a69-b26b-b196819cd2ac",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 11:06:53.077854+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-holidays/holidays-mcp#chg-chg_019fb2b4-ad2b-7a69-b26b-b196819cd2ac"
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    {
      "id": "chg_019fb2b4-ad2c-7095-a83d-c292b195d490",
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      "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": "2026-07-30",
      "occurred_at": "2026-07-30 11:06:53.077854+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-holidays/holidays-mcp#chg-chg_019fb2b4-ad2c-7095-a83d-c292b195d490"
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    {
      "id": "chg_019fadf2-f1fb-75f0-a4a4-27ba21a1fd9b",
      "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": {
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 12:56:47.84878+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-holidays/holidays-mcp#chg-chg_019fadf2-f1fb-75f0-a4a4-27ba21a1fd9b"
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    {
      "id": "chg_019fadf2-f1fd-7347-96c5-b4e890ea8749",
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      "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 12:56:47.84878+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-holidays/holidays-mcp#chg-chg_019fadf2-f1fd-7347-96c5-b4e890ea8749"
    },
    {
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      "occurred_at": "2026-07-29 12:56:47.84878+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-holidays/holidays-mcp#chg-chg_019fadf2-f1fc-7f0b-8100-db5c40acaef0"
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    {
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      "occurred_at": "2026-07-29 12:56:47.84878+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-holidays/holidays-mcp#chg-chg_019fadf2-f1fc-7ba9-b6d6-bab4e6a19b09"
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    {
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      "occurred_at": "2026-07-29 12:56:47.84878+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-holidays/holidays-mcp#chg-chg_019fadf2-f1fc-7609-a88f-b8ec022119d5"
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    {
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      "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-holidays/holidays-mcp#chg-chg_019fadf2-f1fc-70e4-a037-572b6e9f01e1"
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    {
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      "observed_since": "2026-07-27",
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      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-holidays/holidays-mcp#chg-chg_019fa937-d91d-718b-b90e-377ab25132bd"
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      "observed_since": "2026-07-27",
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      "observed_since": "2026-07-27",
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      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
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