{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "cyanheads-eur-lex-mcp-server",
  "component": "eur-lex",
  "generated_at": "2026-09-22T01:39:33.613Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 15,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0c143-f4f9-7864-af9c-3d25211c08bc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eurlex_search_documents",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "eurlex_search_documents"
      },
      "occurred_on": "2026-09-21",
      "occurred_at": "2026-09-21 00:00:51.250194+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Tool “eurlex_search_documents” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_01a0c143-f4f9-7864-af9c-3d25211c08bc"
    },
    {
      "id": "chg_01a0c143-f4f6-7415-9677-a0f0f4fac043",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eurlex_get_document",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "eurlex_get_document"
      },
      "occurred_on": "2026-09-21",
      "occurred_at": "2026-09-21 00:00:51.250194+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Tool “eurlex_get_document” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_01a0c143-f4f6-7415-9677-a0f0f4fac043"
    },
    {
      "id": "chg_01a0889d-d7b7-7d89-9cd6-bf30d2209e77",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eurlex_browse_subjects",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "eurlex_browse_subjects"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 00:00:40.698295+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “eurlex_browse_subjects” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_01a0889d-d7b7-7d89-9cd6-bf30d2209e77"
    },
    {
      "id": "chg_01a0889d-d7bf-77bf-8550-5e3da8cee83a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eurlex_get_relations",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "eurlex_get_relations"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 00:00:40.698295+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “eurlex_get_relations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_01a0889d-d7bf-77bf-8550-5e3da8cee83a"
    },
    {
      "id": "chg_01a084c3-7ac4-7313-8093-66b7262b53c9",
      "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 06:03:18.517201+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_01a084c3-7ac4-7313-8093-66b7262b53c9"
    },
    {
      "id": "chg_01a0566a-76c7-71b6-ac8b-d3e4b1b7bd22",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eurlex_get_document",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "eurlex_get_document"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 06:03:32.806787+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “eurlex_get_document” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_01a0566a-76c7-71b6-ac8b-d3e4b1b7bd22"
    },
    {
      "id": "chg_01a03784-5491-76d8-81e4-291edfbb308c",
      "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 06:03:34.308677+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_01a03784-5491-76d8-81e4-291edfbb308c"
    },
    {
      "id": "chg_019fea44-7cf9-76fe-8a78-d74155147c13",
      "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": "7"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 06:03:04.729103+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 7 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-eur-lex-mcp-server/eur-lex#chg-chg_019fea44-7cf9-76fe-8a78-d74155147c13"
    },
    {
      "id": "chg_019fea44-7cf7-7eb1-a35c-e8b8464138aa",
      "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 06:03:04.729103+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_019fea44-7cf7-7eb1-a35c-e8b8464138aa"
    },
    {
      "id": "chg_019fea44-7cf8-7ecc-998d-9ac072b15461",
      "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 06:03:04.729103+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_019fea44-7cf8-7ecc-998d-9ac072b15461"
    },
    {
      "id": "chg_019fdff7-951b-7de6-86cf-3161d65cf67e",
      "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 06:02:52.532233+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Stability (0.40 → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_019fdff7-951b-7de6-86cf-3161d65cf67e"
    },
    {
      "id": "chg_019fdff7-951b-715a-b8b8-1a47df6f65d6",
      "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 06:02:52.532233+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_019fdff7-951b-715a-b8b8-1a47df6f65d6"
    },
    {
      "id": "chg_019fdff7-951d-7ce5-9c54-49441a1a4b93",
      "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 06:02:52.532233+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_019fdff7-951d-7ce5-9c54-49441a1a4b93"
    },
    {
      "id": "chg_019fdff7-951c-7a53-b129-d8380fc3fb80",
      "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 06:02:52.532233+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-eur-lex-mcp-server/eur-lex#chg-chg_019fdff7-951c-7a53-b129-d8380fc3fb80"
    },
    {
      "id": "chg_019fdff7-951c-752c-b2a6-95734de29a3f",
      "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 06:02:52.532233+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-eur-lex-mcp-server/eur-lex#chg-chg_019fdff7-951c-752c-b2a6-95734de29a3f"
    }
  ],
  "days": [
    {
      "date": "2026-09-21",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-09-16",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-10",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-09-09",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-08",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 93,
        "to": 97,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 28,
          "to_days": 29
        },
        "partial": false,
        "compared_to": "2026-09-07",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "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": 8
    },
    {
      "date": "2026-08-26",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}