{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "app-racecalendar-f1",
  "component": "racecalendar",
  "generated_at": "2026-09-20T15:07:55.686Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 6,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a06a98-eef0-7973-9e59-c834cc7842f7",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 04:06:42.592002+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/app-racecalendar-f1/racecalendar#chg-chg_01a06a98-eef0-7973-9e59-c834cc7842f7"
    },
    {
      "id": "chg_019fd0bd-a545-7890-90cd-246cd78b6c00",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.30",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "10",
        "added": "2",
        "breaks": "0",
        "removed": "2",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-05",
      "occurred_at": "2026-08-05 07:05:17.274675+00",
      "observed_since": "2026-08-04",
      "source": "scan",
      "summary": "Stability (0.30 → fail)",
      "link": "https://verifymcp.io/servers/app-racecalendar-f1/racecalendar#chg-chg_019fd0bd-a545-7890-90cd-246cd78b6c00"
    },
    {
      "id": "chg_019fd0bd-a546-7775-9f1c-85fc6fa676a3",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_f1_driver_session_summary",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_f1_driver_session_summary"
      },
      "occurred_on": "2026-08-05",
      "occurred_at": "2026-08-05 07:05:17.274675+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Tool “get_f1_driver_session_summary” was removed",
      "link": "https://verifymcp.io/servers/app-racecalendar-f1/racecalendar#chg-chg_019fd0bd-a546-7775-9f1c-85fc6fa676a3"
    },
    {
      "id": "chg_019fd0bd-a547-7324-ae8b-9d7ca9f47ae2",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_f1_session_analysis",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_f1_session_analysis"
      },
      "occurred_on": "2026-08-05",
      "occurred_at": "2026-08-05 07:05:17.274675+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Tool “get_f1_session_analysis” was removed",
      "link": "https://verifymcp.io/servers/app-racecalendar-f1/racecalendar#chg-chg_019fd0bd-a547-7324-ae8b-9d7ca9f47ae2"
    },
    {
      "id": "chg_019fd0bd-a547-7abc-bfe1-6f51e3c87828",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_f1_session_results",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_f1_session_results"
      },
      "occurred_on": "2026-08-05",
      "occurred_at": "2026-08-05 07:05:17.274675+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Tool “get_f1_session_results” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/app-racecalendar-f1/racecalendar#chg-chg_019fd0bd-a547-7abc-bfe1-6f51e3c87828"
    },
    {
      "id": "chg_019fd0bd-a549-795a-9deb-a99f66b3384c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_f1_starting_grid",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_f1_starting_grid"
      },
      "occurred_on": "2026-08-05",
      "occurred_at": "2026-08-05 07:05:17.274675+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Tool “get_f1_starting_grid” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/app-racecalendar-f1/racecalendar#chg-chg_019fd0bd-a549-795a-9deb-a99f66b3384c"
    }
  ],
  "days": [
    {
      "date": "2026-09-04",
      "total": 91,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-26",
      "total": 89,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-24",
      "total": 88,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 80,
        "to": 83,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-08-23",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 80 to 83."
      },
      "event_count": 0
    },
    {
      "date": "2026-08-12",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-05",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-08-02",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-01",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}