{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "io-sigrex-sigrex",
  "component": "mcp",
  "generated_at": "2026-11-06T18:51:56.678Z",
  "tracking_since": "2026-10-12",
  "counts": {
    "critical": 0,
    "security": 6,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a14840-0e97-7307-8eaa-a26c7c4f7030",
      "kind": "check.unverifiable",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.http_error",
      "to_code": "transport.auth_gated",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 05:05:20.002369+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Transport (fail → unverified)",
      "link": "https://verifymcp.io/servers/io-sigrex-sigrex/mcp#chg-chg_01a14840-0e97-7307-8eaa-a26c7c4f7030"
    },
    {
      "id": "chg_01a14840-0e97-7e64-8ed8-21538263553d",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "to_code": "auth.rfc9728",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 05:05:20.002369+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-sigrex-sigrex/mcp#chg-chg_01a14840-0e97-7e64-8ed8-21538263553d"
    },
    {
      "id": "chg_01a14840-0e98-73f4-b880-810b4c36b271",
      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.auth_gated",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 05:05:20.002369+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool safety (Tool safety blocked by authentication: the endpoint requires auth we don't have to read its tools.)",
      "link": "https://verifymcp.io/servers/io-sigrex-sigrex/mcp#chg-chg_01a14840-0e98-73f4-b880-810b4c36b271"
    },
    {
      "id": "chg_01a1431b-964e-7897-be54-c021ceb96f0f",
      "kind": "check.reverified",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.auth_gated",
      "to_code": "transport.http_error",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "521",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 05:07:21.24767+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Transport (unverified → fail)",
      "link": "https://verifymcp.io/servers/io-sigrex-sigrex/mcp#chg-chg_01a1431b-964e-7897-be54-c021ceb96f0f"
    },
    {
      "id": "chg_01a1431b-9652-7461-ae1c-f773d8976bc2",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728",
      "to_code": "auth.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 05:07:21.24767+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-sigrex-sigrex/mcp#chg-chg_01a1431b-9652-7461-ae1c-f773d8976bc2"
    },
    {
      "id": "chg_01a1431b-96ab-7f03-b4dc-ca3cf8025995",
      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.auth_gated",
      "to_code": "toolsafety.unreachable",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 05:07:21.24767+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: we couldn't read the endpoint's tools, or could read only part of the list.)",
      "link": "https://verifymcp.io/servers/io-sigrex-sigrex/mcp#chg-chg_01a1431b-96ab-7f03-b4dc-ca3cf8025995"
    }
  ],
  "days": [
    {
      "date": "2026-11-06",
      "total": 32,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-17",
      "total": 32,
      "delta": 14,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-10-16",
      "total": 18,
      "delta": -14,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-10-12",
      "total": 32,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}