{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "xyz-unfee-mcp",
  "component": "unfee",
  "generated_at": "2026-11-05T12:37:53.770Z",
  "tracking_since": "2026-10-26",
  "counts": {
    "critical": 0,
    "security": 7,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a18c09-d24b-792f-ae7b-8eadc4f4b9a6",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.10",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 09:00:16.283144+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Stability (0.10 → unverified)",
      "link": "https://verifymcp.io/servers/xyz-unfee-mcp/unfee#chg-chg_01a18c09-d24b-792f-ae7b-8eadc4f4b9a6"
    },
    {
      "id": "chg_01a18c09-d24d-71a2-b3d7-69b01a1a66da",
      "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": "503",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 09:00:16.283144+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/xyz-unfee-mcp/unfee#chg-chg_01a18c09-d24d-71a2-b3d7-69b01a1a66da"
    },
    {
      "id": "chg_01a18c09-d24e-7c38-aa7a-d66fabaecae4",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 09:00:16.283144+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/xyz-unfee-mcp/unfee#chg-chg_01a18c09-d24e-7c38-aa7a-d66fabaecae4"
    },
    {
      "id": "chg_01a18c09-d251-7942-88a7-f2410abd5bf3",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.unreachable",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 09:00:16.283144+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Authorization (Authorisation not yet verified: we couldn't confirm whether this endpoint requires it.)",
      "link": "https://verifymcp.io/servers/xyz-unfee-mcp/unfee#chg-chg_01a18c09-d251-7942-88a7-f2410abd5bf3"
    },
    {
      "id": "chg_01a18c09-d255-7e3a-8afe-35e73981b254",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 09:00:16.283144+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/xyz-unfee-mcp/unfee#chg-chg_01a18c09-d255-7e3a-8afe-35e73981b254"
    },
    {
      "id": "chg_01a181bd-5878-79e1-b3f3-1051b9192b3f",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 09:00:32.196469+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/xyz-unfee-mcp/unfee#chg-chg_01a181bd-5878-79e1-b3f3-1051b9192b3f"
    },
    {
      "id": "chg_01a181bd-5875-791c-ae70-2ae456c16fb5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "unfee_generate_tax_report",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "unfee_generate_tax_report"
      },
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 09:00:32.196469+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “unfee_generate_tax_report” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/xyz-unfee-mcp/unfee#chg-chg_01a181bd-5875-791c-ae70-2ae456c16fb5"
    }
  ],
  "days": [
    {
      "date": "2026-10-30",
      "total": 23,
      "delta": -35,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-10-28",
      "total": 58,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-10-27",
      "total": 58,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-26",
      "total": 57,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}