{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "cyanheads-faa-traffic-delays-mcp-server",
  "component": "faa-traffic-delays",
  "generated_at": "2026-11-05T11:41:21.976Z",
  "tracking_since": "2026-10-02",
  "counts": {
    "critical": 0,
    "security": 6,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1a63b-e969-731f-95e1-d0ee57522551",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "faa_delays_get_airport_status",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "faa_delays_get_airport_status"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 11:05:06.615278+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “faa_delays_get_airport_status” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-faa-traffic-delays-mcp-server/faa-traffic-delays#chg-chg_01a1a63b-e969-731f-95e1-d0ee57522551"
    },
    {
      "id": "chg_01a1a63b-e96a-7e8b-a082-c7c79c440426",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "faa_delays_list_active_events",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "faa_delays_list_active_events"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 11:05:06.615278+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “faa_delays_list_active_events” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-faa-traffic-delays-mcp-server/faa-traffic-delays#chg-chg_01a1a63b-e96a-7e8b-a082-c7c79c440426"
    },
    {
      "id": "chg_01a1a63b-e96e-7272-8e7e-fbba78787ef5",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 11:05:06.615278+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-faa-traffic-delays-mcp-server/faa-traffic-delays#chg-chg_01a1a63b-e96e-7272-8e7e-fbba78787ef5"
    },
    {
      "id": "chg_01a19601-a0be-7336-90a6-b4628f3bc8f0",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 07:27:31.498942+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-faa-traffic-delays-mcp-server/faa-traffic-delays#chg-chg_01a19601-a0be-7336-90a6-b4628f3bc8f0"
    },
    {
      "id": "chg_01a13aee-45a6-7009-b667-3890616baf44",
      "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": "2026-10-14",
      "occurred_at": "2026-10-14 15:00:56.140505+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-faa-traffic-delays-mcp-server/faa-traffic-delays#chg-chg_01a13aee-45a6-7009-b667-3890616baf44"
    },
    {
      "id": "chg_01a13aee-45a2-7000-97ad-5b78ed8cf942",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "faa_delays_list_advisories",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "faa_delays_list_advisories"
      },
      "occurred_on": "2026-10-14",
      "occurred_at": "2026-10-14 15:00:56.140505+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "Tool “faa_delays_list_advisories” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-faa-traffic-delays-mcp-server/faa-traffic-delays#chg-chg_01a13aee-45a2-7000-97ad-5b78ed8cf942"
    }
  ],
  "days": [
    {
      "date": "2026-11-04",
      "total": 89,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-11-01",
      "total": 87,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-29",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 87,
        "to": 90,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 26,
          "to_days": 27
        },
        "partial": false,
        "compared_to": "2026-10-28",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-27",
      "total": 85,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 80,
        "to": 83,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 24,
          "to_days": 25
        },
        "partial": false,
        "compared_to": "2026-10-26",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 80 to 83. That category is still filling its 30-day observation window: 24 days of observed history at the previous scan, 25 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-25",
      "total": 84,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 73,
        "to": 77,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 22,
          "to_days": 23
        },
        "partial": false,
        "compared_to": "2026-10-24",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 73 to 77. That category is still filling its 30-day observation window: 22 days of observed history at the previous scan, 23 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-23",
      "total": 83,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 67,
        "to": 70,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 20,
          "to_days": 21
        },
        "partial": false,
        "compared_to": "2026-10-22",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 67 to 70. That category is still filling its 30-day observation window: 20 days of observed history at the previous scan, 21 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-21",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 60,
        "to": 63,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 18,
          "to_days": 19
        },
        "partial": false,
        "compared_to": "2026-10-20",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 60 to 63. That category is still filling its 30-day observation window: 18 days of observed history at the previous scan, 19 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-19",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 53,
        "to": 57,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 16,
          "to_days": 17
        },
        "partial": false,
        "compared_to": "2026-10-18",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 53 to 57. That category is still filling its 30-day observation window: 16 days of observed history at the previous scan, 17 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}