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      "occurred_at": "2026-11-04 09:23:26.639023+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a1a5de-d545-76a9-8576-52efaadec4af"
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      "link": "https://verifymcp.io/servers/pipeworx-io-us-race-matchups/us-race-matchups-mcp#chg-chg_01a1a5de-d543-7201-a306-a8e909a28bdf"
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      "link": "https://verifymcp.io/servers/pipeworx-io-us-race-matchups/us-race-matchups-mcp#chg-chg_01a1a5de-d544-74f6-b3e4-9d6697e9c986"
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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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a1a0b7-14f6-785d-a441-f7058a9fb997"
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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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a1a0b7-14f7-739f-908c-b92dd7947d00"
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      "occurred_at": "2026-11-03 09:21:55.424744+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a1a0b7-14f4-7002-a541-6ba69cc221b3"
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      "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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a1a0b7-14f6-7210-9924-618c60f303a1"
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      "occurred_at": "2026-11-02 09:21:44.762348+00",
      "observed_since": "2026-11-01",
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      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-race-matchups/us-race-matchups-mcp#chg-chg_01a19b90-8f51-70de-8231-492d81d4b1b0"
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      "occurred_at": "2026-11-02 09:21:44.762348+00",
      "observed_since": "2026-11-01",
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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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a19b90-8f52-7482-83ee-4871f98681ad"
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      "occurred_at": "2026-11-02 09:21:44.762348+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a19b90-8f4f-7048-ae1a-f3949c9dea8c"
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      "occurred_at": "2026-11-02 09:21:44.762348+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a19b90-8f50-7747-9bed-6d2a8c62a267"
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      "occurred_at": "2026-11-02 09:21:44.762348+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a19b90-8f51-7a57-8812-14256cda3197"
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      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 09:22:07.143418+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-race-matchups/us-race-matchups-mcp#chg-chg_01a1966a-8abc-72d9-9f9a-a408826138bc"
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      "occurred_at": "2026-11-01 09:22:07.143418+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-race-matchups/us-race-matchups-mcp#chg-chg_01a1966a-8abc-7cf1-b356-d824fefae112"
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      "occurred_at": "2026-11-01 09:22:07.143418+00",
      "observed_since": "2026-10-31",
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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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a1966a-8abd-7269-a472-c5d4e3a4af63"
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    {
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      "occurred_at": "2026-11-01 09:22:07.143418+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-race-matchups/us-race-matchups-mcp#chg-chg_01a1966a-8abb-777a-bf2c-691d77e1af23"
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    {
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      "occurred_at": "2026-11-01 09:22:07.143418+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-race-matchups/us-race-matchups-mcp#chg-chg_01a1966a-8abc-7815-8571-92b44fffaf45"
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    {
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      "materiality": "security",
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      "occurred_at": "2026-10-31 09:22:25.047938+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a19144-74b8-772b-99c7-958058fdc9bb"
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      "occurred_at": "2026-10-31 09:22:25.047938+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a19144-74b9-7225-b224-422206ae56b2"
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 09:22:25.047938+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a19144-74b7-7210-9f09-9d883d2a7fb9"
    },
    {
      "id": "chg_01a19144-74b8-712f-a065-93d7253ae8ae",
      "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 09:22:25.047938+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a19144-74b8-712f-a065-93d7253ae8ae"
    },
    {
      "id": "chg_01a19144-74b8-7c5d-b990-05bf42e8dbe1",
      "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": "deep_research"
      },
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 09:22:25.047938+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a19144-74b8-7c5d-b990-05bf42e8dbe1"
    },
    {
      "id": "chg_01a18c1e-bd5a-785d-8706-52108ab26e46",
      "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 09:23:07.175445+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a18c1e-bd5a-785d-8706-52108ab26e46"
    },
    {
      "id": "chg_01a18c1e-bd5b-7479-8158-1c5f331128c9",
      "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": "deep_research"
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      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 09:23:07.175445+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a18c1e-bd5b-7479-8158-1c5f331128c9"
    },
    {
      "id": "chg_01a18c1e-bd5b-7985-a927-d1c786fc37f4",
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      "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",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 09:23:07.175445+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a18c1e-bd5b-7985-a927-d1c786fc37f4"
    },
    {
      "id": "chg_01a18c1e-bd58-7576-8621-94d520e8dfdd",
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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"
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      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 09:23:07.175445+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a18c1e-bd58-7576-8621-94d520e8dfdd"
    },
    {
      "id": "chg_01a18c1e-bd5a-7e80-85e9-0dd4c7cc3ab4",
      "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 09:23:07.175445+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-us-race-matchups/us-race-matchups-mcp#chg-chg_01a18c1e-bd5a-7e80-85e9-0dd4c7cc3ab4"
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    {
      "date": "2026-11-02",
      "total": 75,
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      "date": "2026-11-01",
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      "tracked": true,
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    {
      "date": "2026-10-31",
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      "beyond_event_horizon": false,
      "attribution": null,
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    {
      "date": "2026-10-30",
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    {
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}