{
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  "server": "pipeworx-io-airnow",
  "component": "airnow-mcp",
  "generated_at": "2026-09-21T23:40:24.359Z",
  "tracking_since": "2026-07-26",
  "counts": {
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    "cosmetic": 0
  },
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    {
      "id": "chg_01a09de0-8980-73ac-91b9-9747f4eff6ab",
      "kind": "check.verdict",
      "family": "stability",
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      "subject_child": "",
      "from_code": "stability.stable",
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      "from_value": "pass",
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      "materiality": "security",
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      "detail": {
        "days": "30",
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        "auth_transport": "0"
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      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 03:05:33.226088+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a09de0-8980-73ac-91b9-9747f4eff6ab"
    },
    {
      "id": "chg_01a09de0-8981-7b4d-84fe-688e9906a84a",
      "kind": "check.unverifiable",
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      "from_code": "auth.none_destructive",
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      "from_value": "fail",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 03:05:33.226088+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a09de0-8981-7b4d-84fe-688e9906a84a"
    },
    {
      "id": "chg_01a09de0-8982-7647-a1b6-83b33c37dcd0",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
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      "from_value": "pass",
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      "materiality": "security",
      "direction": "regression",
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      "detail": {},
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 03:05:33.226088+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a09de0-8982-7647-a1b6-83b33c37dcd0"
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    {
      "id": "chg_01a098ba-7c24-7e06-958e-753b75d5e4c7",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
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      "from_code": "auth.rfc9728_invoke",
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      "materiality": "critical",
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      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 03:05:53.360594+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a098ba-7c24-7e06-958e-753b75d5e4c7"
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    {
      "id": "chg_01a098ba-7c26-7b20-a3bf-f0dd81c6b9ca",
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      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 03:05:53.360594+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a098ba-7c26-7b20-a3bf-f0dd81c6b9ca"
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    {
      "id": "chg_01a098ba-7c27-7717-a679-1ef3ad083924",
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      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 03:05:53.360594+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a098ba-7c27-7717-a679-1ef3ad083924"
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    {
      "id": "chg_01a098ba-7c27-7eb2-9b9d-fe3ab902548b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 03:05:53.360594+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a098ba-7c27-7eb2-9b9d-fe3ab902548b"
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    {
      "id": "chg_01a098ba-7c28-765b-a77d-1e66ac3e9764",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "deep_research",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 03:05:53.360594+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a098ba-7c28-765b-a77d-1e66ac3e9764"
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    {
      "id": "chg_01a098ba-7c29-703f-b714-66903cb67c0f",
      "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": "2026-09-13",
      "occurred_at": "2026-09-13 03:05:53.360594+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a098ba-7c29-703f-b714-66903cb67c0f"
    },
    {
      "id": "chg_01a09393-cab0-70db-a2c8-d75b979fbd46",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 03:05:31.390808+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a09393-cab0-70db-a2c8-d75b979fbd46"
    },
    {
      "id": "chg_01a09393-caa3-7454-9582-5de3219682a1",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 03:05:31.390808+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a09393-caa3-7454-9582-5de3219682a1"
    },
    {
      "id": "chg_01a09393-caa6-73c8-aeec-e18e12635c13",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 03:05:31.390808+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a09393-caa6-73c8-aeec-e18e12635c13"
    },
    {
      "id": "chg_01a09393-caa7-799b-93e0-d50adf140871",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "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": "2026-09-12",
      "occurred_at": "2026-09-12 03:05:31.390808+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a09393-caa7-799b-93e0-d50adf140871"
    },
    {
      "id": "chg_01a09393-caa9-747a-adfd-ad3b64f93a63",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 03:05:31.390808+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a09393-caa9-747a-adfd-ad3b64f93a63"
    },
    {
      "id": "chg_01a09393-caa9-7a16-850c-6decafde7703",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 03:05:31.390808+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “bet_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a09393-caa9-7a16-850c-6decafde7703"
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    {
      "id": "chg_01a09393-caab-7711-a6e8-0f917c14dcc6",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 03:05:31.390808+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a09393-caab-7711-a6e8-0f917c14dcc6"
    },
    {
      "id": "chg_01a09393-caaf-74d8-b3c4-4d0fbc7a6865",
      "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"
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 03:05:31.390808+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a09393-caaf-74d8-b3c4-4d0fbc7a6865"
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    {
      "id": "chg_01a08e6d-8265-72c1-bceb-f964a15b531a",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 03:05:36.536771+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08e6d-8265-72c1-bceb-f964a15b531a"
    },
    {
      "id": "chg_01a08e6d-8266-7a14-b64d-86959e89b278",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "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": "2026-09-11",
      "occurred_at": "2026-09-11 03:05:36.536771+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08e6d-8266-7a14-b64d-86959e89b278"
    },
    {
      "id": "chg_01a08e6d-8267-7086-ad0a-1737950c7f83",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 03:05:36.536771+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08e6d-8267-7086-ad0a-1737950c7f83"
    },
    {
      "id": "chg_01a08e6d-8267-75ce-8e93-ac61df6cf712",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 03:05:36.536771+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08e6d-8267-75ce-8e93-ac61df6cf712"
    },
    {
      "id": "chg_01a08e6d-8267-7ad5-96fa-ace83d08a7cf",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 03:05:36.536771+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08e6d-8267-7ad5-96fa-ace83d08a7cf"
    },
    {
      "id": "chg_01a08946-f9db-7e18-85cb-8628b4c2dd83",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 03:05:25.11986+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08946-f9db-7e18-85cb-8628b4c2dd83"
    },
    {
      "id": "chg_01a08946-f9dd-7b31-a498-a9b883496c54",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 03:05:25.11986+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08946-f9dd-7b31-a498-a9b883496c54"
    },
    {
      "id": "chg_01a08946-f9de-77af-bb6a-4c91bafc4d28",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 03:05:25.11986+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08946-f9de-77af-bb6a-4c91bafc4d28"
    },
    {
      "id": "chg_01a08946-f9de-7e1b-870f-17f0a1f46f71",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 03:05:25.11986+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08946-f9de-7e1b-870f-17f0a1f46f71"
    },
    {
      "id": "chg_01a08946-f9df-755c-bff6-6b2dfeecb814",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 03:05:25.11986+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08946-f9df-755c-bff6-6b2dfeecb814"
    },
    {
      "id": "chg_01a08420-775a-7a9b-bd08-3ab94fad0654",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive_unverified",
      "to_code": "auth.none_destructive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 03:05:15.241295+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08420-775a-7a9b-bd08-3ab94fad0654"
    },
    {
      "id": "chg_01a08420-775b-7be6-a2a5-f815e1de8f7b",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 03:05:15.241295+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08420-775b-7be6-a2a5-f815e1de8f7b"
    },
    {
      "id": "chg_01a08420-775c-70fc-83e2-60c193e64d6c",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 03:05:15.241295+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08420-775c-70fc-83e2-60c193e64d6c"
    },
    {
      "id": "chg_01a08420-775c-78bc-9e87-c0c4943de372",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 03:05:15.241295+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08420-775c-78bc-9e87-c0c4943de372"
    },
    {
      "id": "chg_01a08420-775c-7d86-a1c2-5fcec2bb611a",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 03:05:15.241295+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08420-775c-7d86-a1c2-5fcec2bb611a"
    },
    {
      "id": "chg_01a08420-775e-7aa8-8385-3d87ec6a6819",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 03:05:15.241295+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a08420-775e-7aa8-8385-3d87ec6a6819"
    },
    {
      "id": "chg_01a07efa-b643-7cc6-bba4-dc9e771f14ef",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 03:05:54.905945+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a07efa-b643-7cc6-bba4-dc9e771f14ef"
    },
    {
      "id": "chg_01a07efa-b645-7140-ba99-613883f30c00",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 03:05:54.905945+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a07efa-b645-7140-ba99-613883f30c00"
    },
    {
      "id": "chg_01a07efa-b645-7808-8c33-be48f87b3ed9",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 03:05:54.905945+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a07efa-b645-7808-8c33-be48f87b3ed9"
    },
    {
      "id": "chg_01a07efa-b645-7cd7-abd2-c0782840e538",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 03:05:54.905945+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a07efa-b645-7cd7-abd2-c0782840e538"
    },
    {
      "id": "chg_01a07efa-b646-78ca-8ecd-effaa9878951",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 03:05:54.905945+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a07efa-b646-78ca-8ecd-effaa9878951"
    },
    {
      "id": "chg_01a07efa-b646-7cf8-9b24-ad234d23a616",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 03:05:54.905945+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a07efa-b646-7cf8-9b24-ad234d23a616"
    },
    {
      "id": "chg_01a079d3-c655-7807-90ec-2aa586481bef",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 03:05:17.001641+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a079d3-c655-7807-90ec-2aa586481bef"
    },
    {
      "id": "chg_01a079d3-c657-7514-84b8-20228e515a52",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 03:05:17.001641+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a079d3-c657-7514-84b8-20228e515a52"
    },
    {
      "id": "chg_01a079d3-c657-7a9b-86eb-293f2af56a21",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.stable",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 03:05:17.001641+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a079d3-c657-7a9b-86eb-293f2af56a21"
    },
    {
      "id": "chg_01a074ad-15ce-76c9-989f-a5131b18606e",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.churn",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "30",
        "added": "0",
        "breaks": "0",
        "removed": "35",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 03:04:55.415708+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a074ad-15ce-76c9-989f-a5131b18606e"
    },
    {
      "id": "chg_01a074ad-15d0-71ca-9633-3ab10f28c210",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 03:04:55.415708+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a074ad-15d0-71ca-9633-3ab10f28c210"
    },
    {
      "id": "chg_01a074ad-15d0-7d7e-943b-7c2f5ae16508",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 03:04:55.415708+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a074ad-15d0-7d7e-943b-7c2f5ae16508"
    },
    {
      "id": "chg_01a06f86-4b0d-7ac4-9085-84c66eba5764",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 03:04:26.99218+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06f86-4b0d-7ac4-9085-84c66eba5764"
    },
    {
      "id": "chg_01a06f86-4b0e-7ce2-b650-a4e37bdb2cf7",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 03:04:26.99218+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06f86-4b0e-7ce2-b650-a4e37bdb2cf7"
    },
    {
      "id": "chg_01a06f86-4b0f-72b0-8e85-81ff9a20c171",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 03:04:26.99218+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06f86-4b0f-72b0-8e85-81ff9a20c171"
    },
    {
      "id": "chg_01a06f86-4b0f-76a6-a0de-5d41e3344da3",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 03:04:26.99218+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06f86-4b0f-76a6-a0de-5d41e3344da3"
    },
    {
      "id": "chg_01a06f86-4b0f-7a7c-8664-205f246cfe4d",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 03:04:26.99218+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06f86-4b0f-7a7c-8664-205f246cfe4d"
    },
    {
      "id": "chg_01a06a60-4475-7567-a9f7-9d663c13c891",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 03:04:48.866979+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06a60-4475-7567-a9f7-9d663c13c891"
    },
    {
      "id": "chg_01a06a60-4476-777d-93ae-7631e3a566db",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 03:04:48.866979+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06a60-4476-777d-93ae-7631e3a566db"
    },
    {
      "id": "chg_01a06a60-4476-7b78-bf08-891a8537304d",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 03:04:48.866979+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06a60-4476-7b78-bf08-891a8537304d"
    },
    {
      "id": "chg_01a06a60-4476-7f2f-9bdd-80aa2e58e099",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 03:04:48.866979+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06a60-4476-7f2f-9bdd-80aa2e58e099"
    },
    {
      "id": "chg_01a06a60-4477-7325-8fe5-00532720de0f",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 03:04:48.866979+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06a60-4477-7325-8fe5-00532720de0f"
    },
    {
      "id": "chg_01a06a60-447a-79f6-860d-65744a99cff6",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 03:04:48.866979+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06a60-447a-79f6-860d-65744a99cff6"
    },
    {
      "id": "chg_01a06539-a6f2-767f-ab59-b418eb2eb5ef",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 03:04:32.125616+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06539-a6f2-767f-ab59-b418eb2eb5ef"
    },
    {
      "id": "chg_01a06539-a6f4-74f9-b5eb-572f23060038",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 03:04:32.125616+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06539-a6f4-74f9-b5eb-572f23060038"
    },
    {
      "id": "chg_01a06539-a6f5-7154-9c66-923edd5ba5ea",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 03:04:32.125616+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06539-a6f5-7154-9c66-923edd5ba5ea"
    },
    {
      "id": "chg_01a06539-a6f6-7373-b90f-7ff5c0ce8bf3",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 03:04:32.125616+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06539-a6f6-7373-b90f-7ff5c0ce8bf3"
    },
    {
      "id": "chg_01a06539-a6f7-7b0b-8268-18bb6d6c5524",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 03:04:32.125616+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06539-a6f7-7b0b-8268-18bb6d6c5524"
    },
    {
      "id": "chg_01a06539-a6f8-76bd-99dc-08618c9cb30e",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 03:04:32.125616+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06539-a6f8-76bd-99dc-08618c9cb30e"
    },
    {
      "id": "chg_01a06013-581b-7ad8-bf23-20d774eaf468",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 03:04:35.547184+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06013-581b-7ad8-bf23-20d774eaf468"
    },
    {
      "id": "chg_01a06013-581c-7a0e-84ca-300e141f49d9",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 03:04:35.547184+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06013-581c-7a0e-84ca-300e141f49d9"
    },
    {
      "id": "chg_01a06013-581d-70a8-bc37-74f7dd5b64ef",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 03:04:35.547184+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06013-581d-70a8-bc37-74f7dd5b64ef"
    },
    {
      "id": "chg_01a06013-581d-7685-9893-8b4f947ffc92",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 03:04:35.547184+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06013-581d-7685-9893-8b4f947ffc92"
    },
    {
      "id": "chg_01a06013-581d-7bd8-bab7-75ddeabd3062",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resolve_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resolve_entity"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 03:04:35.547184+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “resolve_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06013-581d-7bd8-bab7-75ddeabd3062"
    },
    {
      "id": "chg_01a06013-581e-74ce-a3f0-d8a9ebf0da67",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 03:04:35.547184+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a06013-581e-74ce-a3f0-d8a9ebf0da67"
    },
    {
      "id": "chg_01a05aed-21c1-700b-9236-9a617f11078f",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 03:04:45.175574+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a05aed-21c1-700b-9236-9a617f11078f"
    },
    {
      "id": "chg_01a05aed-21c2-73c1-8088-c7bb59ebeeb4",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 03:04:45.175574+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a05aed-21c2-73c1-8088-c7bb59ebeeb4"
    },
    {
      "id": "chg_01a05aed-21c2-7b7e-a4f4-5d1887d08941",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 03:04:45.175574+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a05aed-21c2-7b7e-a4f4-5d1887d08941"
    },
    {
      "id": "chg_01a05aed-21c3-72ad-a510-1c21706b6fad",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 03:04:45.175574+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a05aed-21c3-72ad-a510-1c21706b6fad"
    },
    {
      "id": "chg_01a05aed-21c3-7e7d-8e2f-b1efebdaf293",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 03:04:45.175574+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a05aed-21c3-7e7d-8e2f-b1efebdaf293"
    },
    {
      "id": "chg_01a05aed-21c4-7508-827e-47fd26bb32af",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 03:04:45.175574+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a05aed-21c4-7508-827e-47fd26bb32af"
    },
    {
      "id": "chg_01a055c6-d375-74f4-9151-668039a3caee",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 03:04:48.679644+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a055c6-d375-74f4-9151-668039a3caee"
    },
    {
      "id": "chg_01a055c6-d376-73d2-b0eb-307800ef09e6",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 03:04:48.679644+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a055c6-d376-73d2-b0eb-307800ef09e6"
    },
    {
      "id": "chg_01a055c6-d376-789c-91ce-4def29731ca9",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 03:04:48.679644+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a055c6-d376-789c-91ce-4def29731ca9"
    },
    {
      "id": "chg_01a055c6-d376-7df9-bb2e-cecbd878eb4c",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 03:04:48.679644+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a055c6-d376-7df9-bb2e-cecbd878eb4c"
    },
    {
      "id": "chg_01a055c6-d377-7447-a140-dc7ae3b6ed73",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 03:04:48.679644+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a055c6-d377-7447-a140-dc7ae3b6ed73"
    },
    {
      "id": "chg_01a055c6-d377-788a-a65a-25c3e96d2023",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 03:04:48.679644+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a055c6-d377-788a-a65a-25c3e96d2023"
    },
    {
      "id": "chg_01a050a0-45c1-7c3a-ac5b-c5088d0f80b4",
      "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": "2026-08-30",
      "occurred_at": "2026-08-30 03:04:35.942757+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a050a0-45c1-7c3a-ac5b-c5088d0f80b4"
    },
    {
      "id": "chg_01a050a0-45c2-7ab2-bd24-4989d9f20001",
      "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": "2026-08-30",
      "occurred_at": "2026-08-30 03:04:35.942757+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a050a0-45c2-7ab2-bd24-4989d9f20001"
    },
    {
      "id": "chg_01a050a0-45c3-7015-8581-23a5e2b4761e",
      "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": "2026-08-30",
      "occurred_at": "2026-08-30 03:04:35.942757+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a050a0-45c3-7015-8581-23a5e2b4761e"
    },
    {
      "id": "chg_01a050a0-45c3-74f5-824d-f4922f84eb34",
      "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": "2026-08-30",
      "occurred_at": "2026-08-30 03:04:35.942757+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a050a0-45c3-74f5-824d-f4922f84eb34"
    },
    {
      "id": "chg_01a050a0-45c3-79d3-9204-41f5a4d63308",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 03:04:35.942757+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a050a0-45c3-79d3-9204-41f5a4d63308"
    },
    {
      "id": "chg_01a050a0-45c3-7d87-bc34-8b2d491884b9",
      "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": "2026-08-30",
      "occurred_at": "2026-08-30 03:04:35.942757+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a050a0-45c3-7d87-bc34-8b2d491884b9"
    },
    {
      "id": "chg_01a04b7a-6bde-7d34-8709-c535fc682268",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 03:05:09.228936+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a04b7a-6bde-7d34-8709-c535fc682268"
    },
    {
      "id": "chg_01a04b7a-6be0-773d-b6f0-070a4187c594",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 03:05:09.228936+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a04b7a-6be0-773d-b6f0-070a4187c594"
    },
    {
      "id": "chg_01a04b7a-6be0-7d45-9ace-1911080d163d",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 03:05:09.228936+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a04b7a-6be0-7d45-9ace-1911080d163d"
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    {
      "id": "chg_01a04b7a-6be1-7368-9d80-64eed45c0d69",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 03:05:09.228936+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a04b7a-6be1-7368-9d80-64eed45c0d69"
    },
    {
      "id": "chg_01a04b7a-6be1-7a04-a863-e1cc27ca24f5",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 03:05:09.228936+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a04b7a-6be1-7a04-a863-e1cc27ca24f5"
    },
    {
      "id": "chg_01a04654-26a8-70d3-92a8-ffe5bebaa342",
      "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": "2026-08-28",
      "occurred_at": "2026-08-28 03:05:15.096791+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a04654-26a8-70d3-92a8-ffe5bebaa342"
    },
    {
      "id": "chg_01a0412d-c49b-7346-9e81-97608efb5ae6",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 03:05:13.591639+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a0412d-c49b-7346-9e81-97608efb5ae6"
    },
    {
      "id": "chg_01a0412d-c49c-72ac-92e7-06be24f54858",
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      "materiality": "security",
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      "detail": {
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      "occurred_at": "2026-08-27 03:05:13.591639+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a0412d-c49c-72ac-92e7-06be24f54858"
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    {
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      "occurred_at": "2026-08-27 03:05:13.591639+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a0412d-c49c-78d8-8245-b7badc7b750b"
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    {
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      "materiality": "security",
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      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a0412d-c49c-7e46-b65c-039481d15e32"
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    {
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      "occurred_at": "2026-08-27 03:05:13.591639+00",
      "observed_since": "2026-08-26",
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      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a0412d-c49d-74c8-969e-ccabdf0fa0f3"
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      "occurred_at": "2026-08-27 03:05:13.591639+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-airnow/airnow-mcp#chg-chg_01a0412d-c49d-7adc-8031-c7048343c96d"
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      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
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