{
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  "server": "cyanheads-epa-mcp-server",
  "component": "epa",
  "generated_at": "2026-11-05T13:54:24.789Z",
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  },
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      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “epa_echo_search_facilities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a19701-6660-7bb1-a38e-1390abae510a"
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    {
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        "tool": "epa_echo_search_violations"
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      "occurred_at": "2026-11-01 12:06:53.758367+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “epa_echo_search_violations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a19701-6666-7a6d-a25a-03e526f1d9d1"
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    {
      "id": "chg_01a19701-6668-74be-8643-5b6f46fe09bc",
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        "tool": "epa_ejscreen_get_scores"
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      "occurred_at": "2026-11-01 12:06:53.758367+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “epa_ejscreen_get_scores” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a19701-6668-74be-8643-5b6f46fe09bc"
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    {
      "id": "chg_01a19701-666b-73e4-94f0-65202e105ce0",
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      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 12:06:53.758367+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “epa_tri_get_facility_releases” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a19701-666b-73e4-94f0-65202e105ce0"
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    {
      "id": "chg_01a19701-666f-70bb-9eba-b534d50bebb0",
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        "tool": "epa_tri_search_releases"
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      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 12:06:53.758367+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “epa_tri_search_releases” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a19701-666f-70bb-9eba-b534d50bebb0"
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    {
      "id": "chg_01a19701-6671-7e79-99fc-20d728cf768b",
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        "tool": "epa_water_search_systems"
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      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 12:06:53.758367+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “epa_water_search_systems” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a19701-6671-7e79-99fc-20d728cf768b"
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    {
      "id": "chg_01a19701-6676-7c57-accb-4941a6d913d6",
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      "detail": {},
      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 12:06:53.758367+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/cyanheads-epa-mcp-server/epa#chg-chg_01a19701-6676-7c57-accb-4941a6d913d6"
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    {
      "id": "chg_01a19701-6659-7dd7-89f5-57f8ad9f7d1a",
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        "tool": "epa_echo_get_facility"
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      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 12:06:53.758367+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “epa_echo_get_facility” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a19701-6659-7dd7-89f5-57f8ad9f7d1a"
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    {
      "id": "chg_01a195dc-b3e4-75b9-8c25-e391bed70a5c",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "epa_superfund_search_sites",
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      "from_code": null,
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      "materiality": "security",
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      "detail": {
        "tool": "epa_superfund_search_sites"
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      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 06:47:11.56478+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Tool “epa_superfund_search_sites” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a195dc-b3e4-75b9-8c25-e391bed70a5c"
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    {
      "id": "chg_01a16e04-227d-728b-b2e6-119dae4e52bc",
      "kind": "tool.removed",
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      "subject_kind": "tool",
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      "detail": {
        "tool": "epa_search_water_systems"
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      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 13:05:27.133048+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “epa_search_water_systems” was removed",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a16e04-227d-728b-b2e6-119dae4e52bc"
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    {
      "id": "chg_01a16e04-227c-7d05-ac69-7cdb63f91bfc",
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      "materiality": "security",
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      "detail": {
        "tool": "epa_search_violations"
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      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 13:05:27.133048+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “epa_search_violations” was removed",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a16e04-227c-7d05-ac69-7cdb63f91bfc"
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    {
      "id": "chg_01a16e04-227c-764b-8103-0ea34431c6ff",
      "kind": "tool.removed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "epa_search_tri_releases"
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      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 13:05:27.133048+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “epa_search_tri_releases” was removed",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a16e04-227c-764b-8103-0ea34431c6ff"
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    {
      "id": "chg_01a16e04-227b-79df-8c0e-aca738003ced",
      "kind": "tool.removed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "epa_search_facilities"
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      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 13:05:27.133048+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “epa_search_facilities” was removed",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a16e04-227b-79df-8c0e-aca738003ced"
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    {
      "id": "chg_01a16e04-227b-74d2-8de3-e39b8e2aaa09",
      "kind": "tool.removed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "epa_get_tri_releases"
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      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 13:05:27.133048+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “epa_get_tri_releases” was removed",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a16e04-227b-74d2-8de3-e39b8e2aaa09"
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    {
      "id": "chg_01a16e04-227a-7eb6-bf06-4664c651537d",
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      "subject_kind": "tool",
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      "materiality": "security",
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        "tool": "epa_get_facility"
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      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 13:05:27.133048+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “epa_get_facility” was removed",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a16e04-227a-7eb6-bf06-4664c651537d"
    },
    {
      "id": "chg_01a16e04-227a-7a00-9efb-cb0abaf9e08e",
      "kind": "tool.removed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "epa_get_ejscreen"
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      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 13:05:27.133048+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “epa_get_ejscreen” was removed",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a16e04-227a-7a00-9efb-cb0abaf9e08e"
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    {
      "id": "chg_01a16e04-227a-73a7-9c73-5ed6f0f6dfa0",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "epa_get_air_quality",
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      "from_code": null,
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      "materiality": "security",
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      "detail": {
        "tool": "epa_get_air_quality"
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      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 13:05:27.133048+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “epa_get_air_quality” was removed",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a16e04-227a-73a7-9c73-5ed6f0f6dfa0"
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    {
      "id": "chg_01a16e04-2279-7335-830d-699ba8e3a2c0",
      "kind": "check.verdict",
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      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.47",
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      "materiality": "security",
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      "detail": {
        "days": "15",
        "added": "9",
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        "auth_transport": "0"
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      "occurred_at": "2026-10-24 13:05:27.133048+00",
      "observed_since": "2026-10-23",
      "source": "scan",
      "summary": "Stability (0.47 → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a16e04-2279-7335-830d-699ba8e3a2c0"
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    {
      "id": "chg_01a16e04-227c-7038-b343-060f10a13e53",
      "kind": "tool.removed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 13:05:27.133048+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “epa_search_superfund” was removed",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a16e04-227c-7038-b343-060f10a13e53"
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    {
      "id": "chg_01a16e04-2282-7409-a768-27334d6f263f",
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      "subject_kind": "server",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 13:05:27.133048+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a16e04-2282-7409-a768-27334d6f263f"
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    {
      "id": "chg_01a14891-2903-747d-b927-ca291d916f4f",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 06:33:54.796498+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “epa_search_tri_releases” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a14891-2903-747d-b927-ca291d916f4f"
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    {
      "id": "chg_01a14891-2912-7be6-b8df-8acaf8557425",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 06:33:54.796498+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “epa_search_violations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a14891-2912-7be6-b8df-8acaf8557425"
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    {
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      "occurred_at": "2026-10-17 06:33:54.796498+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a14891-2935-7297-8bbb-099967dc1acc"
    },
    {
      "id": "chg_01a14891-28b1-7299-8fb8-20af458fd289",
      "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": "2026-10-17",
      "occurred_at": "2026-10-17 06:33:54.796498+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a14891-28b1-7299-8fb8-20af458fd289"
    },
    {
      "id": "chg_01a14891-28d7-7403-b9b9-562c75356114",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "epa_get_facility",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "epa_get_facility"
      },
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 06:33:54.796498+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “epa_get_facility” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a14891-28d7-7403-b9b9-562c75356114"
    },
    {
      "id": "chg_01a14891-28dc-76f0-b445-11c3152af461",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "epa_get_tri_releases",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "epa_get_tri_releases"
      },
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 06:33:54.796498+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “epa_get_tri_releases” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a14891-28dc-76f0-b445-11c3152af461"
    },
    {
      "id": "chg_01a14891-28ea-7e0b-9baa-c10c212ce67e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "epa_search_facilities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "epa_search_facilities"
      },
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 06:33:54.796498+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “epa_search_facilities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a14891-28ea-7e0b-9baa-c10c212ce67e"
    },
    {
      "id": "chg_01a14891-28a4-7806-b0f7-2ea58af1ba20",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_absent",
      "to_code": "headers.hsts_present",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 06:33:54.796498+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a14891-28a4-7806-b0f7-2ea58af1ba20"
    },
    {
      "id": "chg_01a14891-28ab-7036-94a9-b136aa70fbaf",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.http_error",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 06:33:54.796498+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a14891-28ab-7036-94a9-b136aa70fbaf"
    },
    {
      "id": "chg_01a14891-2893-7600-8715-6c6adaba6306",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "to_code": "auth.none_no_destructive",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 06:33:54.796498+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a14891-2893-7600-8715-6c6adaba6306"
    },
    {
      "id": "chg_01a145df-ba62-7a9d-af9d-9885f6a4cd79",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "verified"
      },
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 18:00:52.532093+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a145df-ba62-7a9d-af9d-9885f6a4cd79"
    },
    {
      "id": "chg_01a145df-ba5b-7d1f-b5a9-2484c68be121",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "530",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 18:00:52.532093+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a145df-ba5b-7d1f-b5a9-2484c68be121"
    },
    {
      "id": "chg_01a145df-ba5d-7c67-a704-ce41a2c78775",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.unreachable",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 18:00:52.532093+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a145df-ba5d-7c67-a704-ce41a2c78775"
    },
    {
      "id": "chg_01a145df-ba5e-780c-9ada-68721298ff26",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 18:00:52.532093+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a145df-ba5e-780c-9ada-68721298ff26"
    },
    {
      "id": "chg_01a145df-ba5e-7f3f-ab99-fe179d24fb63",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.20",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 18:00:52.532093+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Stability (0.20 → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a145df-ba5e-7f3f-ab99-fe179d24fb63"
    },
    {
      "id": "chg_01a145df-ba5f-7713-aa3e-11e059159bcc",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_present",
      "to_code": "headers.hsts_absent",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 18:00:52.532093+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a145df-ba5f-7713-aa3e-11e059159bcc"
    },
    {
      "id": "chg_01a12e0f-c176-794e-92c9-5f2e5de9f1f5",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 03:02:25.63562+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-epa-mcp-server/epa#chg-chg_01a12e0f-c176-794e-92c9-5f2e5de9f1f5"
    }
  ],
  "days": [
    {
      "date": "2026-11-01",
      "total": 75,
      "delta": 3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 58
    },
    {
      "date": "2026-10-24",
      "total": 72,
      "delta": -7,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 21
    },
    {
      "date": "2026-10-23",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 43,
        "to": 47,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 13,
          "to_days": 14
        },
        "partial": false,
        "compared_to": "2026-10-22",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-20",
      "total": 78,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 33,
        "to": 37,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 10,
          "to_days": 11
        },
        "partial": false,
        "compared_to": "2026-10-19",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 33 to 37. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 11 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-19",
      "total": 77,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-10-18",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 27,
        "to": 30,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 8,
          "to_days": 9
        },
        "partial": false,
        "compared_to": "2026-10-17",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 27 to 30. That category is still filling its 30-day observation window: 8 days of observed history at the previous scan, 9 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-17",
      "total": 76,
      "delta": 52,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 31
    },
    {
      "date": "2026-10-16",
      "total": 24,
      "delta": -51,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 9
    }
  ]
}