{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "io-usefulapi-bukku",
  "component": "bukku",
  "generated_at": "2026-11-05T13:20:27.223Z",
  "tracking_since": "2026-10-26",
  "counts": {
    "critical": 0,
    "security": 5,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a19a70-6824-73ca-8fb9-5d56091b1a17",
      "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": "2026-11-02",
      "occurred_at": "2026-11-02 04:07:00.322142+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-bukku/bukku#chg-chg_01a19a70-6824-73ca-8fb9-5d56091b1a17"
    },
    {
      "id": "chg_01a19a70-6825-7820-a3f4-1d6fcd5a032d",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 04:07:00.322142+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-bukku/bukku#chg-chg_01a19a70-6825-7820-a3f4-1d6fcd5a032d"
    },
    {
      "id": "chg_01a19a70-6826-7834-8bd0-b078ae7b6cd9",
      "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": "2026-11-02",
      "occurred_at": "2026-11-02 04:07:00.322142+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Stability (0.20 → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-bukku/bukku#chg-chg_01a19a70-6826-7834-8bd0-b078ae7b6cd9"
    },
    {
      "id": "chg_01a19a70-6828-7e5b-a3c8-90b9ff8a90f6",
      "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": "2026-11-02",
      "occurred_at": "2026-11-02 04:07:00.322142+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/io-usefulapi-bukku/bukku#chg-chg_01a19a70-6828-7e5b-a3c8-90b9ff8a90f6"
    },
    {
      "id": "chg_01a193fa-b0d6-7afb-bcc6-5a00fb93a3fb",
      "kind": "check.verdict",
      "family": "auth-registration",
      "subject_kind": "check",
      "subject": "auth-registration",
      "subject_child": "",
      "from_code": "auth.registration_dcr_only",
      "to_code": "auth.registration_cimd",
      "from_value": "partial",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 22:00:42.427595+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Authorization (partial → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-bukku/bukku#chg-chg_01a193fa-b0d6-7afb-bcc6-5a00fb93a3fb"
    }
  ],
  "days": [
    {
      "date": "2026-11-02",
      "total": 18,
      "delta": -49,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-11-01",
      "total": 67,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 17,
        "to": 20,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 5,
          "to_days": 6
        },
        "partial": false,
        "compared_to": "2026-10-31",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 17 to 20. That category is still filling its 30-day observation window: 5 days of observed history at the previous scan, 6 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-31",
      "total": 66,
      "delta": 3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 12
    },
    {
      "date": "2026-10-30",
      "total": 63,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-10-29",
      "total": 62,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-10-28",
      "total": 62,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-27",
      "total": 61,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-10-26",
      "total": 61,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}