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      "link": "https://verifymcp.io/servers/pipeworx-io-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a1a417-d971-74f5-9692-9f79eecb8c21"
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    {
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      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
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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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a1a417-d96f-7e90-a3f4-a3fa4f5faf21"
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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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a1a417-d970-7a3d-b987-df85410b8b37"
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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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a19ef1-2dc8-7506-94ad-aafae54588fe"
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    {
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      "occurred_at": "2026-11-03 01:06:08.299532+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a19ef1-2dc3-7456-b074-5fdb45faf8dc"
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    {
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 01:06:08.299532+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a19ef1-2dc5-7248-b96f-b551c7828294"
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    {
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 01:06:08.299532+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a19ef1-2dc5-7989-8d56-fba99cf0784a"
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    {
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 01:06:08.299532+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a19ef1-2dc6-71c5-aaad-56af655aee7f"
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      "occurred_at": "2026-11-02 01:06:01.587275+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a199ca-b763-7cce-bd6b-456afb6deb1e"
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      "from_code": "auth.rfc9728_invoke",
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      "materiality": "critical",
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      "occurred_at": "2026-11-02 01:06:01.587275+00",
      "observed_since": "2026-11-01",
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      "link": "https://verifymcp.io/servers/pipeworx-io-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a199ca-b756-7432-8645-06a494b9bed2"
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    {
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      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 01:06:01.587275+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a199ca-b75f-7e4d-8204-181df54fc75e"
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      "occurred_at": "2026-11-02 01:06:01.587275+00",
      "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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a199ca-b764-759b-8196-c57956c6103d"
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      "materiality": "security",
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      "occurred_at": "2026-11-02 01:06:01.587275+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a199ca-b768-774c-892b-409e916c28c8"
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      "occurred_at": "2026-11-02 01:06:01.587275+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a199ca-b769-718e-8cc6-cb56a3e8e45d"
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 01:05:50.967651+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a194a4-318d-78d8-81a0-9bd9a360e4e4"
    },
    {
      "id": "chg_01a18f7e-273b-717b-b62d-7e2e7e6e48c1",
      "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 01:06:11.862405+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18f7e-273b-717b-b62d-7e2e7e6e48c1"
    },
    {
      "id": "chg_01a18f7e-273b-767b-8d26-b8051f85b31a",
      "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 01:06:11.862405+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18f7e-273b-767b-8d26-b8051f85b31a"
    },
    {
      "id": "chg_01a18f7e-273b-7b1d-8d38-324016368941",
      "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 01:06:11.862405+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18f7e-273b-7b1d-8d38-324016368941"
    },
    {
      "id": "chg_01a18f7e-273a-7326-932e-06c564801028",
      "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 01:06:11.862405+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18f7e-273a-7326-932e-06c564801028"
    },
    {
      "id": "chg_01a18f7e-273c-704f-842f-c96487078bf9",
      "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 01:06:11.862405+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18f7e-273c-704f-842f-c96487078bf9"
    },
    {
      "id": "chg_01a18a57-c939-730c-9a5c-95c21d22ceb1",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 01:06:11.351524+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18a57-c939-730c-9a5c-95c21d22ceb1"
    },
    {
      "id": "chg_01a18a57-c93a-70e5-8312-b3e0ed464c14",
      "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 01:06:11.351524+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18a57-c93a-70e5-8312-b3e0ed464c14"
    },
    {
      "id": "chg_01a18a57-c93b-719e-8e17-98732273b9a4",
      "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 01:06:11.351524+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18a57-c93b-719e-8e17-98732273b9a4"
    },
    {
      "id": "chg_01a18a57-c93b-77d6-bd37-fe50bf9e1023",
      "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 01:06:11.351524+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18a57-c93b-77d6-bd37-fe50bf9e1023"
    },
    {
      "id": "chg_01a18a57-c93b-7cb9-a0fb-9cd52675156a",
      "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 01:06:11.351524+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18a57-c93b-7cb9-a0fb-9cd52675156a"
    },
    {
      "id": "chg_01a18a57-c93c-724d-881b-cd963070bc2f",
      "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 01:06:11.351524+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18a57-c93c-724d-881b-cd963070bc2f"
    },
    {
      "id": "chg_01a18a57-c93c-76e2-b6a2-9a77dd0b62e9",
      "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 01:06:11.351524+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-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18a57-c93c-76e2-b6a2-9a77dd0b62e9"
    },
    {
      "id": "chg_01a18531-7bc9-76d0-abaf-8729f5746a72",
      "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 01:06:15.075007+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18531-7bc9-76d0-abaf-8729f5746a72"
    },
    {
      "id": "chg_01a18531-7bc7-77b8-a7dd-44284cd911d0",
      "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": "2026-10-29",
      "occurred_at": "2026-10-29 01:06:15.075007+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18531-7bc7-77b8-a7dd-44284cd911d0"
    },
    {
      "id": "chg_01a18531-7bc8-74ce-9d15-7e00a8c20d00",
      "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 01:06:15.075007+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18531-7bc8-74ce-9d15-7e00a8c20d00"
    },
    {
      "id": "chg_01a18531-7bc8-7a17-a73d-d96dbaecea8b",
      "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 01:06:15.075007+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18531-7bc8-7a17-a73d-d96dbaecea8b"
    },
    {
      "id": "chg_01a18531-7bc9-70d2-87f7-c348b04940ac",
      "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 01:06:15.075007+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18531-7bc9-70d2-87f7-c348b04940ac"
    },
    {
      "id": "chg_01a18531-7bca-720c-952e-63ddb2608077",
      "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 01:06:15.075007+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18531-7bca-720c-952e-63ddb2608077"
    },
    {
      "id": "chg_01a18531-7bca-76c7-9156-2c8083cc1122",
      "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 01:06:15.075007+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a18531-7bca-76c7-9156-2c8083cc1122"
    },
    {
      "id": "chg_01a1800a-012e-7b7d-bd2e-a9309a9cdaa7",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 01:05:01.651173+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a1800a-012e-7b7d-bd2e-a9309a9cdaa7"
    },
    {
      "id": "chg_01a1800a-0130-748b-8834-2277998b89ea",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 01:05:01.651173+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a1800a-0130-748b-8834-2277998b89ea"
    },
    {
      "id": "chg_01a1800a-0130-7db3-8afb-d5c2774c7526",
      "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 01:05:01.651173+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a1800a-0130-7db3-8afb-d5c2774c7526"
    },
    {
      "id": "chg_01a1800a-0131-7618-9335-a8506614fb63",
      "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 01:05:01.651173+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a1800a-0131-7618-9335-a8506614fb63"
    },
    {
      "id": "chg_01a1800a-0131-7e8c-a7d0-663a08bf893a",
      "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 01:05:01.651173+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a1800a-0131-7e8c-a7d0-663a08bf893a"
    },
    {
      "id": "chg_01a1800a-0132-73b3-a81f-538773e39f77",
      "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 01:05:01.651173+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a1800a-0132-73b3-a81f-538773e39f77"
    },
    {
      "id": "chg_01a1800a-0132-7725-ae60-f1c76675957f",
      "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 01:05:01.651173+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a1800a-0132-7725-ae60-f1c76675957f"
    },
    {
      "id": "chg_01a1800a-0134-73ca-8487-32974cf9743e",
      "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 01:05:01.651173+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a1800a-0134-73ca-8487-32974cf9743e"
    },
    {
      "id": "chg_01a17ae3-60cb-774f-ab0a-705716b3fcd3",
      "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 01:04:44.200032+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a17ae3-60cb-774f-ab0a-705716b3fcd3"
    },
    {
      "id": "chg_01a17ae3-60cb-7ccd-ac24-d7de07d7b343",
      "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 01:04:44.200032+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a17ae3-60cb-7ccd-ac24-d7de07d7b343"
    },
    {
      "id": "chg_01a17ae3-60cc-72b4-b8c9-725c0f78bb5a",
      "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 01:04:44.200032+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a17ae3-60cc-72b4-b8c9-725c0f78bb5a"
    },
    {
      "id": "chg_01a17ae3-60cc-77fb-aaa9-fff12b14ec9b",
      "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 01:04:44.200032+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a17ae3-60cc-77fb-aaa9-fff12b14ec9b"
    },
    {
      "id": "chg_01a17ae3-60cc-7e0c-bf83-88c7511eab99",
      "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 01:04:44.200032+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-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a17ae3-60cc-7e0c-bf83-88c7511eab99"
    },
    {
      "id": "chg_01a175bc-b450-7802-a662-67bf0130abe5",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 01:04:23.611696+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a175bc-b450-7802-a662-67bf0130abe5"
    },
    {
      "id": "chg_01a175bc-b451-7ca1-b081-8a2eef28d544",
      "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 01:04:23.611696+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a175bc-b451-7ca1-b081-8a2eef28d544"
    },
    {
      "id": "chg_01a175bc-b452-73db-8bc2-ddb0c4bc3ffd",
      "kind": "check.appeared",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": null,
      "to_code": "toolsafety.manipulation_clean",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "units": "46",
        "judged": "46"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 01:04:23.611696+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-us-drought-monitor/us-drought-monitor-mcp#chg-chg_01a175bc-b452-73db-8bc2-ddb0c4bc3ffd"
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      "date": "2026-11-05",
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      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
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    {
      "date": "2026-11-04",
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      "delta": 14,
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      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
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    {
      "date": "2026-11-03",
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      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
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    {
      "date": "2026-11-02",
      "total": 62,
      "delta": -14,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
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    {
      "date": "2026-11-01",
      "total": 76,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
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    {
      "date": "2026-10-31",
      "total": 61,
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      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
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    {
      "date": "2026-10-30",
      "total": 61,
      "delta": -13,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
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    {
      "date": "2026-10-29",
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}