{
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      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a1a98a-0fab-7948-8db5-a670d99cef8c"
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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-fuel-prices/fuel-prices-mcp#chg-chg_01a1a98a-0fac-780e-bcb7-d39d8b60a1ce"
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    {
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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-fuel-prices/fuel-prices-mcp#chg-chg_01a1a98a-0faa-7622-b272-f10761aa074d"
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    {
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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-fuel-prices/fuel-prices-mcp#chg-chg_01a1a98a-0fab-7e32-9b71-d3c93a1b996d"
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      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a1a464-c845-76c1-a3c1-cc9ddb8167e9"
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      "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-fuel-prices/fuel-prices-mcp#chg-chg_01a1a464-c844-7f34-964c-d0489010c337"
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    {
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      "occurred_at": "2026-11-04 02:30:30.684669+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-fuel-prices/fuel-prices-mcp#chg-chg_01a1a464-c843-7c08-a052-3dc06eb3488f"
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    {
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      "occurred_at": "2026-11-04 02:30:30.684669+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-fuel-prices/fuel-prices-mcp#chg-chg_01a1a464-c846-74d6-a9e4-e3a4104776e1"
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    {
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      "occurred_at": "2026-11-04 02:30:30.684669+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a1a464-c845-7e24-aeff-6f7841d58236"
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    {
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      "occurred_at": "2026-11-03 02:29:10.710464+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-fuel-prices/fuel-prices-mcp#chg-chg_01a19f3d-3418-71d5-b343-b447663dd2bc"
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    {
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      "occurred_at": "2026-11-03 02:29:10.710464+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-fuel-prices/fuel-prices-mcp#chg-chg_01a19f3d-3418-7ce1-8771-4b08dc196e1b"
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    {
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 02:29:10.710464+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-fuel-prices/fuel-prices-mcp#chg-chg_01a19f3d-3419-7435-bc6d-a7fca43b25b0"
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    {
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 02:29:10.710464+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-fuel-prices/fuel-prices-mcp#chg-chg_01a19f3d-3419-7c89-bab7-bfade7c7a301"
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    {
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 02:29:10.710464+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-fuel-prices/fuel-prices-mcp#chg-chg_01a19f3d-341a-726d-9c3c-4eca3bd78cf7"
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    {
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      "from_code": "auth.none_destructive",
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 02:29:10.710464+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a19f3d-3416-71d2-a6ab-04eee8f1a916"
    },
    {
      "id": "chg_01a19a4d-223e-7d85-a253-419d6dd78215",
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      "occurred_on": "2026-11-02",
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      "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-fuel-prices/fuel-prices-mcp#chg-chg_01a19a4d-223e-7d85-a253-419d6dd78215"
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    {
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      "occurred_at": "2026-11-02 03:28:28.679104+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-fuel-prices/fuel-prices-mcp#chg-chg_01a19a4d-223f-7c5c-b549-de72f4cccae5"
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    {
      "id": "chg_01a19a4d-223f-746c-8b8f-0295da82594f",
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      "occurred_at": "2026-11-02 03:28:28.679104+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-fuel-prices/fuel-prices-mcp#chg-chg_01a19a4d-223f-746c-8b8f-0295da82594f"
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    {
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      "materiality": "security",
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      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 03:28:28.679104+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-fuel-prices/fuel-prices-mcp#chg-chg_01a19a4d-223d-73e8-b4be-4a9d95bda353"
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    {
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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": "2026-11-02",
      "occurred_at": "2026-11-02 03:28:28.679104+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-fuel-prices/fuel-prices-mcp#chg-chg_01a19a4d-223e-75f9-b817-0bd4b3250b22"
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    {
      "id": "chg_01a194f0-058e-72db-b1a9-e2d01b2e7d7e",
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      "subject_kind": "tool",
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      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 02:28:40.407538+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-fuel-prices/fuel-prices-mcp#chg-chg_01a194f0-058e-72db-b1a9-e2d01b2e7d7e"
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    {
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      "from_code": "auth.rfc9728_invoke",
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      },
      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 02:28:40.407538+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a194f0-058a-79eb-812a-64062621f2d1"
    },
    {
      "id": "chg_01a194f0-058c-7872-a70c-3e473b20e371",
      "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": "2026-11-01",
      "occurred_at": "2026-11-01 02:28:40.407538+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-fuel-prices/fuel-prices-mcp#chg-chg_01a194f0-058c-7872-a70c-3e473b20e371"
    },
    {
      "id": "chg_01a194f0-058d-7071-a105-19c66d58cd3e",
      "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": "2026-11-01",
      "occurred_at": "2026-11-01 02:28:40.407538+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-fuel-prices/fuel-prices-mcp#chg-chg_01a194f0-058d-7071-a105-19c66d58cd3e"
    },
    {
      "id": "chg_01a194f0-058d-782d-994d-3203288635f1",
      "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": "2026-11-01",
      "occurred_at": "2026-11-01 02:28:40.407538+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-fuel-prices/fuel-prices-mcp#chg-chg_01a194f0-058d-782d-994d-3203288635f1"
    },
    {
      "id": "chg_01a194f0-058f-7d51-b8ae-f1a51a255c1b",
      "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": "2026-11-01",
      "occurred_at": "2026-11-01 02:28:40.407538+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a194f0-058f-7d51-b8ae-f1a51a255c1b"
    },
    {
      "id": "chg_01a18fc9-5f59-7006-a45d-420d349b5501",
      "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 02:28:21.364478+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18fc9-5f59-7006-a45d-420d349b5501"
    },
    {
      "id": "chg_01a18fc9-5f5a-7676-a247-7ca573321a2a",
      "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 02:28:21.364478+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18fc9-5f5a-7676-a247-7ca573321a2a"
    },
    {
      "id": "chg_01a18fc9-5f5a-7d62-80b2-158aa3c2074e",
      "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 02:28:21.364478+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18fc9-5f5a-7d62-80b2-158aa3c2074e"
    },
    {
      "id": "chg_01a18fc9-5f5b-77d5-b876-e96256c1d6c2",
      "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": "2026-10-31",
      "occurred_at": "2026-10-31 02:28:21.364478+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18fc9-5f5b-77d5-b876-e96256c1d6c2"
    },
    {
      "id": "chg_01a18fc9-5f5b-7de3-bd4e-4ed5a6e7063f",
      "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": "2026-10-31",
      "occurred_at": "2026-10-31 02:28:21.364478+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18fc9-5f5b-7de3-bd4e-4ed5a6e7063f"
    },
    {
      "id": "chg_01a18aa2-5f0c-7d3d-bec1-e05809330ef2",
      "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 02:27:39.290489+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18aa2-5f0c-7d3d-bec1-e05809330ef2"
    },
    {
      "id": "chg_01a18aa2-5f0f-7e6a-b13a-aeaef8fcd858",
      "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 02:27:39.290489+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18aa2-5f0f-7e6a-b13a-aeaef8fcd858"
    },
    {
      "id": "chg_01a18aa2-5f10-7920-b032-fcbda20f57a7",
      "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 02:27:39.290489+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18aa2-5f10-7920-b032-fcbda20f57a7"
    },
    {
      "id": "chg_01a18aa2-5f0c-706f-b253-7e646d00e121",
      "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 02:27:39.290489+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18aa2-5f0c-706f-b253-7e646d00e121"
    },
    {
      "id": "chg_01a18aa2-5f0b-72b4-ac62-2798cebc0497",
      "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 02:27:39.290489+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18aa2-5f0b-72b4-ac62-2798cebc0497"
    },
    {
      "id": "chg_01a18aa2-5f09-7c89-b156-77e8d541a487",
      "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 02:27:39.290489+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18aa2-5f09-7c89-b156-77e8d541a487"
    },
    {
      "id": "chg_01a185e9-1d67-7093-9772-9b49033ee0e6",
      "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": "2026-10-29",
      "occurred_at": "2026-10-29 04:26:49.151384+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a185e9-1d67-7093-9772-9b49033ee0e6"
    },
    {
      "id": "chg_01a1857b-9415-7814-aa6f-fb3e6435c6dd",
      "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 02:27:10.921605+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-fuel-prices/fuel-prices-mcp#chg-chg_01a1857b-9415-7814-aa6f-fb3e6435c6dd"
    },
    {
      "id": "chg_01a1857b-9415-7dfd-9bf0-f6466acffdf6",
      "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 02:27:10.921605+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-fuel-prices/fuel-prices-mcp#chg-chg_01a1857b-9415-7dfd-9bf0-f6466acffdf6"
    },
    {
      "id": "chg_01a1857b-9414-7022-b456-23215b5f62e3",
      "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 02:27:10.921605+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-fuel-prices/fuel-prices-mcp#chg-chg_01a1857b-9414-7022-b456-23215b5f62e3"
    },
    {
      "id": "chg_01a1857b-9414-75d2-9f33-01113e0cc43e",
      "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 02:27:10.921605+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-fuel-prices/fuel-prices-mcp#chg-chg_01a1857b-9414-75d2-9f33-01113e0cc43e"
    },
    {
      "id": "chg_01a1857b-9412-7d77-add9-ceeba6f8a868",
      "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 02:27:10.921605+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-fuel-prices/fuel-prices-mcp#chg-chg_01a1857b-9412-7d77-add9-ceeba6f8a868"
    },
    {
      "id": "chg_01a1857b-9414-7c9f-9013-f03a079db63b",
      "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 02:27:10.921605+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-fuel-prices/fuel-prices-mcp#chg-chg_01a1857b-9414-7c9f-9013-f03a079db63b"
    },
    {
      "id": "chg_01a18053-c394-7a58-8a8f-af6dad802617",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 02:25:35.571349+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a18053-c394-7a58-8a8f-af6dad802617"
    },
    {
      "id": "chg_01a18053-c395-7757-94d5-0338226b6082",
      "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 02:25:35.571349+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18053-c395-7757-94d5-0338226b6082"
    },
    {
      "id": "chg_01a18053-c395-7cab-bf9d-bef4793551df",
      "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 02:25:35.571349+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18053-c395-7cab-bf9d-bef4793551df"
    },
    {
      "id": "chg_01a18053-c396-72bf-840c-4522568881be",
      "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 02:25:35.571349+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18053-c396-72bf-840c-4522568881be"
    },
    {
      "id": "chg_01a18053-c396-7698-ba2a-2a39a7a2a39a",
      "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 02:25:35.571349+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18053-c396-7698-ba2a-2a39a7a2a39a"
    },
    {
      "id": "chg_01a18053-c397-71b3-a411-a192ff19eca4",
      "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 02:25:35.571349+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18053-c397-71b3-a411-a192ff19eca4"
    },
    {
      "id": "chg_01a18053-c398-74a5-a76b-0bb2fa99e566",
      "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 02:25:35.571349+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-fuel-prices/fuel-prices-mcp#chg-chg_01a18053-c398-74a5-a76b-0bb2fa99e566"
    },
    {
      "id": "chg_01a17b2e-9244-7a27-9c8b-3dd9c25c4130",
      "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 02:26:51.989205+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-fuel-prices/fuel-prices-mcp#chg-chg_01a17b2e-9244-7a27-9c8b-3dd9c25c4130"
    },
    {
      "id": "chg_01a17b2e-9243-7884-abb5-6e036dea4438",
      "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 02:26:51.989205+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-fuel-prices/fuel-prices-mcp#chg-chg_01a17b2e-9243-7884-abb5-6e036dea4438"
    },
    {
      "id": "chg_01a17b2e-9245-7c33-bc00-11ee5370ad0a",
      "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 02:26:51.989205+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-fuel-prices/fuel-prices-mcp#chg-chg_01a17b2e-9245-7c33-bc00-11ee5370ad0a"
    },
    {
      "id": "chg_01a17b2e-9245-7748-87d4-c26a350fcd7f",
      "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 02:26:51.989205+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-fuel-prices/fuel-prices-mcp#chg-chg_01a17b2e-9245-7748-87d4-c26a350fcd7f"
    },
    {
      "id": "chg_01a17b2e-9245-7246-9708-e9b2b9aad12c",
      "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 02:26:51.989205+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-fuel-prices/fuel-prices-mcp#chg-chg_01a17b2e-9245-7246-9708-e9b2b9aad12c"
    },
    {
      "id": "chg_01a17606-c0a4-7e5b-a7e9-a9903c0aed3f",
      "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 02:25:16.412952+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “company_facts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c0a4-7e5b-a7e9-a9903c0aed3f"
    },
    {
      "id": "chg_01a17606-c0a6-7403-9106-e558cd629654",
      "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 02:25:16.412952+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c0a6-7403-9106-e558cd629654"
    },
    {
      "id": "chg_01a17606-c0a6-7bf4-b6e1-3a5cd46b2b50",
      "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 02:25:16.412952+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c0a6-7bf4-b6e1-3a5cd46b2b50"
    },
    {
      "id": "chg_01a17606-c0a8-700d-9adf-63daea8793d3",
      "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 02:25:16.412952+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “polymarket_fill_risk” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c0a8-700d-9adf-63daea8793d3"
    },
    {
      "id": "chg_01a17606-c0a8-73ad-a77f-6c44dacfe379",
      "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 02:25:16.412952+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “resolution_audit” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c0a8-73ad-a77f-6c44dacfe379"
    },
    {
      "id": "chg_01a17606-c0a9-7d76-9c6e-6dc1600962c2",
      "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 02:25:16.412952+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “resolution_diff” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c0a9-7d76-9c6e-6dc1600962c2"
    },
    {
      "id": "chg_01a17606-c0aa-7e9b-b7e0-dd9d5ab0eb33",
      "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 02:25:16.412952+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “subscribe” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c0aa-7e9b-b7e0-dd9d5ab0eb33"
    },
    {
      "id": "chg_01a17606-c0ac-75ab-904e-cc793cedab0b",
      "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 02:25:16.412952+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c0ac-75ab-904e-cc793cedab0b"
    },
    {
      "id": "chg_01a17606-c09e-71d2-a9e2-9d4698ea269d",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 02:25:16.412952+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c09e-71d2-a9e2-9d4698ea269d"
    },
    {
      "id": "chg_01a17606-c09d-782a-a9a4-0f3cf6bc9125",
      "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 02:25:16.412952+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c09d-782a-a9a4-0f3cf6bc9125"
    },
    {
      "id": "chg_01a17606-c09d-7230-9a9d-2add592a136b",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:25:16.412952+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c09d-7230-9a9d-2add592a136b"
    },
    {
      "id": "chg_01a17606-c0a1-7ae8-8036-8fa15b3bee31",
      "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 02:25:16.412952+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c0a1-7ae8-8036-8fa15b3bee31"
    },
    {
      "id": "chg_01a17606-c0a2-763e-8a34-ddc11e67f5c2",
      "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 02:25:16.412952+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c0a2-763e-8a34-ddc11e67f5c2"
    },
    {
      "id": "chg_01a17606-c0a4-71bb-ac57-d86831b5d282",
      "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 02:25:16.412952+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a17606-c0a4-71bb-ac57-d86831b5d282"
    },
    {
      "id": "chg_01a1330e-bb3f-7cb7-ae20-bf73acc55e95",
      "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": "2026-10-13",
      "occurred_at": "2026-10-13 02:19:25.832518+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a1330e-bb3f-7cb7-ae20-bf73acc55e95"
    },
    {
      "id": "chg_01a1330e-bb41-715b-84d0-4f31974fb7bf",
      "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": "2026-10-13",
      "occurred_at": "2026-10-13 02:19:25.832518+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a1330e-bb41-715b-84d0-4f31974fb7bf"
    },
    {
      "id": "chg_01a1330e-bb41-773e-b184-18a166bb867a",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.90",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "tools_unlisted"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 02:19:25.832518+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Stability (0.90 → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a1330e-bb41-773e-b184-18a166bb867a"
    },
    {
      "id": "chg_01a12da7-851a-76b7-a7a1-a74630807d2e",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-851a-76b7-a7a1-a74630807d2e"
    },
    {
      "id": "chg_01a12da7-87de-7652-a9ec-608eef62ce47",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-87de-7652-a9ec-608eef62ce47"
    },
    {
      "id": "chg_01a12da7-8bc8-74e2-b242-ebb282d545fe",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-8bc8-74e2-b242-ebb282d545fe"
    },
    {
      "id": "chg_01a12da7-8d4d-7c3c-af8b-db9fb1316a3e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_edge_tracker",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_edge_tracker"
      },
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “polymarket_edge_tracker” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-8d4d-7c3c-af8b-db9fb1316a3e"
    },
    {
      "id": "chg_01a12da7-8d5b-7499-9583-4434aa8df9e1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_edges",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_edges"
      },
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “polymarket_edges” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-8d5b-7499-9583-4434aa8df9e1"
    },
    {
      "id": "chg_01a12da7-8e16-7438-ad21-784b634bcd83",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “polymarket_fill_risk” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-8e16-7438-ad21-784b634bcd83"
    },
    {
      "id": "chg_01a12da7-8e1f-75d5-bea6-6dbce61b2110",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-8e1f-75d5-bea6-6dbce61b2110"
    },
    {
      "id": "chg_01a12da7-9018-71a7-9bdc-62d8768a7f99",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “release_calendar_markets” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-9018-71a7-9bdc-62d8768a7f99"
    },
    {
      "id": "chg_01a12da7-92d2-7848-a904-79ec73cc66c5",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “subscribe” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-92d2-7848-a904-79ec73cc66c5"
    },
    {
      "id": "chg_01a12da7-944e-70d3-8649-67949dc2b92a",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-944e-70d3-8649-67949dc2b92a"
    },
    {
      "id": "chg_01a12da7-7ce0-7ebc-8055-06361753b41d",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-7ce0-7ebc-8055-06361753b41d"
    },
    {
      "id": "chg_01a12da7-7ce8-7a77-b934-e957ae8f126d",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-7ce8-7a77-b934-e957ae8f126d"
    },
    {
      "id": "chg_01a12da7-7ee8-77a3-a220-51b71b9409c1",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-7ee8-77a3-a220-51b71b9409c1"
    },
    {
      "id": "chg_01a12da7-819d-7308-8404-1dc2f87ddff5",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 01:08:30.033777+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-fuel-prices/fuel-prices-mcp#chg-chg_01a12da7-819d-7308-8404-1dc2f87ddff5"
    }
  ],
  "days": [
    {
      "date": "2026-11-05",
      "total": 84,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-11-04",
      "total": 84,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-11-03",
      "total": 83,
      "delta": 14,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-11-02",
      "total": 69,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-11-01",
      "total": 68,
      "delta": -14,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-10-31",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-10-30",
      "total": 81,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-10-29",
      "total": 81,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    }
  ]
}