{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "dev-workers-perch-app-corvid-corvid",
  "component": "corvid",
  "generated_at": "2026-10-24T14:15:13.575Z",
  "tracking_since": "2026-07-30",
  "counts": {
    "critical": 0,
    "security": 13,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a06a93-2c89-7380-9d31-18ee7c8e0284",
      "kind": "check.unverifiable",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.plaintext",
      "to_code": "https.inconclusive",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "plaintext_status",
        "status": "404"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 04:00:25.149336+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "HTTPS (fail → unverified)",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_01a06a93-2c89-7380-9d31-18ee7c8e0284"
    },
    {
      "id": "chg_01a06a93-2c8a-7646-8108-97a3d8c0e9ee",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.insufficient_history",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 04:00:25.149336+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_01a06a93-2c8a-7646-8108-97a3d8c0e9ee"
    },
    {
      "id": "chg_01a06a93-2c8a-7c09-b208-e3273c0d72d0",
      "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": "404",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 04:00:25.149336+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_01a06a93-2c8a-7c09-b208-e3273c0d72d0"
    },
    {
      "id": "chg_01a06a93-2c8b-71dd-acd7-bc08a12a9c22",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 04:00:25.149336+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_01a06a93-2c8b-71dd-acd7-bc08a12a9c22"
    },
    {
      "id": "chg_01a06a93-2c8b-771a-b82d-0caad1ded2b7",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.none_unlisted",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 04:00:25.149336+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the whole tool list to see what that exposes.)",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_01a06a93-2c8b-771a-b82d-0caad1ded2b7"
    },
    {
      "id": "chg_01a06a93-2c8c-7b52-9c5a-efd27cb10aab",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 04:00:25.149336+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_01a06a93-2c8c-7b52-9c5a-efd27cb10aab"
    },
    {
      "id": "chg_01a04bac-ff45-78bd-aac8-d14976646878",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 04:00:23.757612+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_01a04bac-ff45-78bd-aac8-d14976646878"
    },
    {
      "id": "chg_019fcc38-d8db-798d-b616-61ece563b16a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "recall",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "recall"
      },
      "occurred_on": "2026-08-04",
      "occurred_at": "2026-08-04 10:01:45.418283+00",
      "observed_since": "2026-08-04",
      "source": "scan",
      "summary": "Tool “recall” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_019fcc38-d8db-798d-b616-61ece563b16a"
    },
    {
      "id": "chg_019fc5c8-cb35-70f3-98ee-414d2887ecf6",
      "kind": "check.reverified",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.inconclusive",
      "to_code": "headers.hsts_absent",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 04:01:38.536787+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "HSTS header (unverified → fail)",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_019fc5c8-cb35-70f3-98ee-414d2887ecf6"
    },
    {
      "id": "chg_019fc5c8-cb37-7508-9c69-05186f53f241",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "to_code": "auth.none_undeclared",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "4"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 04:01:38.536787+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 4 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_019fc5c8-cb37-7508-9c69-05186f53f241"
    },
    {
      "id": "chg_019fc0a3-4a99-7cf7-9a08-3af687dade24",
      "kind": "check.unverifiable",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_absent",
      "to_code": "headers.inconclusive",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 04:02:34.767722+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "HSTS header (fail → unverified)",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_019fc0a3-4a99-7cf7-9a08-3af687dade24"
    },
    {
      "id": "chg_019fc0a3-4a9a-7267-b915-06a66542b30d",
      "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": "2026-08-02",
      "occurred_at": "2026-08-02 04:02:34.767722+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Authorization (Authorisation not yet verified: we couldn't confirm whether this endpoint requires it.)",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_019fc0a3-4a9a-7267-b915-06a66542b30d"
    },
    {
      "id": "chg_019fb608-6e1f-74fa-9666-32e718e5e1bb",
      "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": "2026-07-31",
      "occurred_at": "2026-07-31 02:37:13.595914+00",
      "observed_since": "2026-07-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-workers-perch-app-corvid-corvid/corvid#chg-chg_019fb608-6e1f-74fa-9666-32e718e5e1bb"
    }
  ],
  "days": [
    {
      "date": "2026-09-28",
      "total": 18,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-25",
      "total": 18,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-04",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 9
    },
    {
      "date": "2026-08-29",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-26",
      "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": "2026-08-04",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-08-03",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    }
  ]
}