{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "cyanheads-cyanheads-mcp-server",
  "component": "cyanheads",
  "generated_at": "2026-09-22T01:39:31.253Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 13,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0837b-3862-779c-af98-f24483dab2a9",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 00:04:45.673312+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_01a0837b-3862-779c-af98-f24483dab2a9"
    },
    {
      "id": "chg_01a026cd-23d1-73d9-ac94-3d6e43151a96",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cyanheads_search_catalog",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cyanheads_search_catalog"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 00:09:33.283976+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “cyanheads_search_catalog” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_01a026cd-23d1-73d9-ac94-3d6e43151a96"
    },
    {
      "id": "chg_01a026cd-23d0-75d3-8171-ec08e17c0d2e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cyanheads_describe_entry",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cyanheads_describe_entry"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 00:09:33.283976+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “cyanheads_describe_entry” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_01a026cd-23d0-75d3-8171-ec08e17c0d2e"
    },
    {
      "id": "chg_019fe8fe-de97-7b60-8606-fb0d33836c62",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.churn",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "15",
        "added": "2",
        "breaks": "0",
        "removed": "2",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 00:07:25.05407+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Stability (unverified → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_019fe8fe-de97-7b60-8606-fb0d33836c62"
    },
    {
      "id": "chg_019fe8fe-de99-7495-bd69-dabe15edf2a8",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_absent",
      "to_code": "headers.hsts_present",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 00:07:25.05407+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_019fe8fe-de99-7495-bd69-dabe15edf2a8"
    },
    {
      "id": "chg_019fe8fe-de99-79b9-aff5-463fa2f6e29a",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.http_error",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 00:07:25.05407+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_019fe8fe-de99-79b9-aff5-463fa2f6e29a"
    },
    {
      "id": "chg_019fe8fe-de99-7e7d-968c-1d526d47ed8e",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_undeclared",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "2"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 00:07:25.05407+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 2 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/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_019fe8fe-de99-7e7d-968c-1d526d47ed8e"
    },
    {
      "id": "chg_019fdeb2-a336-75f7-a9c7-8f1a581df006",
      "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": "2026-08-08",
      "occurred_at": "2026-08-08 00:07:56.94595+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the tool list to see what that exposes.)",
      "link": "https://verifymcp.io/servers/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_019fdeb2-a336-75f7-a9c7-8f1a581df006"
    },
    {
      "id": "chg_019fdeb2-a335-7784-ad06-c4dbd63f771a",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_present",
      "to_code": "headers.hsts_absent",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 00:07:56.94595+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_019fdeb2-a335-7784-ad06-c4dbd63f771a"
    },
    {
      "id": "chg_019fdeb2-a334-7cd4-ac88-8d93a476fa2b",
      "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": "530",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 00:07:56.94595+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_019fdeb2-a334-7cd4-ac88-8d93a476fa2b"
    },
    {
      "id": "chg_019fdeb2-a333-7290-99d5-259f407afea2",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.insufficient_history",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 00:07:56.94595+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Stability (fail → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_019fdeb2-a333-7290-99d5-259f407afea2"
    },
    {
      "id": "chg_019fdeb2-a33b-747a-97e8-82fc75a21c07",
      "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": "2026-08-08",
      "occurred_at": "2026-08-08 00:07:56.94595+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_019fdeb2-a33b-747a-97e8-82fc75a21c07"
    },
    {
      "id": "chg_019fa5f8-da93-7a21-8a9d-68b1fabf3b2c",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.churn",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "1",
        "added": "2",
        "breaks": "0",
        "removed": "2",
        "auth_transport": "0"
      },
      "occurred_on": "2026-07-27",
      "occurred_at": "2026-07-27 23:46:17.33366+00",
      "observed_since": "2026-07-26",
      "source": "scan",
      "summary": "Stability (unverified → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-cyanheads-mcp-server/cyanheads#chg-chg_019fa5f8-da93-7a21-8a9d-68b1fabf3b2c"
    }
  ],
  "days": [
    {
      "date": "2026-09-19",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-09",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-07",
      "total": 81,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-26",
      "total": 82,
      "delta": 16,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-22",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-10",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-08-08",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    }
  ]
}