{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "cyanheads-congressgov-mcp-server",
  "component": "congressgov",
  "generated_at": "2026-09-22T01:39:05.711Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 14,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a08534-bd8c-7bda-ba59-04cd978e400a",
      "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 08:07:01.158693+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-congressgov-mcp-server/congressgov#chg-chg_01a08534-bd8c-7bda-ba59-04cd978e400a"
    },
    {
      "id": "chg_01a037f6-6749-75dc-bc7e-96a1054994d6",
      "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": "2026-08-25",
      "occurred_at": "2026-08-25 08:08:10.190722+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-congressgov-mcp-server/congressgov#chg-chg_01a037f6-6749-75dc-bc7e-96a1054994d6"
    },
    {
      "id": "chg_01a00e55-ceb4-7094-8d94-68a8039557b5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "congressgov_daily_record",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "congressgov_daily_record"
      },
      "occurred_on": "2026-08-17",
      "occurred_at": "2026-08-17 06:08:19.558312+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Tool “congressgov_daily_record” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-congressgov-mcp-server/congressgov#chg-chg_01a00e55-ceb4-7094-8d94-68a8039557b5"
    },
    {
      "id": "chg_01a00e55-ceb0-71d3-862c-f798e26246a8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "congressgov_bill_lookup",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "congressgov_bill_lookup"
      },
      "occurred_on": "2026-08-17",
      "occurred_at": "2026-08-17 06:08:19.558312+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Tool “congressgov_bill_lookup” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-congressgov-mcp-server/congressgov#chg-chg_01a00e55-ceb0-71d3-862c-f798e26246a8"
    },
    {
      "id": "chg_01a00e55-ceb2-7214-8099-c539c9ff5641",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "congressgov_committee_reports",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "congressgov_committee_reports"
      },
      "occurred_on": "2026-08-17",
      "occurred_at": "2026-08-17 06:08:19.558312+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Tool “congressgov_committee_reports” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-congressgov-mcp-server/congressgov#chg-chg_01a00e55-ceb2-7214-8099-c539c9ff5641"
    },
    {
      "id": "chg_01a00d42-ef8a-774a-b0f2-732fe2e1d547",
      "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": "2026-08-17",
      "occurred_at": "2026-08-17 01:08:05.59331+00",
      "observed_since": "2026-08-16",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-congressgov-mcp-server/congressgov#chg-chg_01a00d42-ef8a-774a-b0f2-732fe2e1d547"
    },
    {
      "id": "chg_019feab1-af96-7491-9d35-4618e922415a",
      "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": "10"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 08:02:21.071411+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 10 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-congressgov-mcp-server/congressgov#chg-chg_019feab1-af96-7491-9d35-4618e922415a"
    },
    {
      "id": "chg_019feab1-af95-77f0-9a6e-1f3f36a180ea",
      "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 08:02:21.071411+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-congressgov-mcp-server/congressgov#chg-chg_019feab1-af95-77f0-9a6e-1f3f36a180ea"
    },
    {
      "id": "chg_019feab1-af93-78e2-80d7-8c0a384e2cb0",
      "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 08:02:21.071411+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-congressgov-mcp-server/congressgov#chg-chg_019feab1-af93-78e2-80d7-8c0a384e2cb0"
    },
    {
      "id": "chg_019fe064-d86d-7492-b1a5-0124e9685849",
      "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 08:02:13.201867+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-congressgov-mcp-server/congressgov#chg-chg_019fe064-d86d-7492-b1a5-0124e9685849"
    },
    {
      "id": "chg_019fe064-d86a-7d7d-b7ff-f19b235089ba",
      "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 08:02:13.201867+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-congressgov-mcp-server/congressgov#chg-chg_019fe064-d86a-7d7d-b7ff-f19b235089ba"
    },
    {
      "id": "chg_019fe064-d86a-776f-a9dd-a650ebcc0742",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.40",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 08:02:13.201867+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Stability (0.40 → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-congressgov-mcp-server/congressgov#chg-chg_019fe064-d86a-776f-a9dd-a650ebcc0742"
    },
    {
      "id": "chg_019fe064-d869-70b0-a37f-5b5326cbfefb",
      "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 08:02:13.201867+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-congressgov-mcp-server/congressgov#chg-chg_019fe064-d869-70b0-a37f-5b5326cbfefb"
    },
    {
      "id": "chg_019fe064-d86e-7e9c-8678-b3cfa5345c42",
      "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 08:02:13.201867+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/cyanheads-congressgov-mcp-server/congressgov#chg-chg_019fe064-d86e-7e9c-8678-b3cfa5345c42"
    }
  ],
  "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": "2026-08-31",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-30",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 12
    },
    {
      "date": "2026-08-26",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-08-17",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 26
    }
  ]
}