{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-tolk2go-booking",
  "component": "api-v1-mcp",
  "generated_at": "2026-11-05T23:40:15.610Z",
  "tracking_since": "2026-09-30",
  "counts": {
    "critical": 0,
    "security": 14,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1ab51-2aa4-7882-a89f-94547532ce18",
      "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": "2026-11-05",
      "occurred_at": "2026-11-05 10:46:25.678567+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a1ab51-2aa4-7882-a89f-94547532ce18"
    },
    {
      "id": "chg_01a1a627-92b4-7de5-b73a-6a0dc5521c67",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.challenge_only_invoke",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 10:42:53.722602+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a1a627-92b4-7de5-b73a-6a0dc5521c67"
    },
    {
      "id": "chg_01a1a627-92b5-7e35-a1ab-55d58d7a736a",
      "kind": "check.appeared",
      "family": "auth-registration",
      "subject_kind": "check",
      "subject": "auth-registration",
      "subject_child": "",
      "from_code": null,
      "to_code": "auth.registration_dcr_only",
      "from_value": null,
      "to_value": "partial",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 10:42:53.722602+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "First check of Authorization (partial)",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a1a627-92b5-7e35-a1ab-55d58d7a736a"
    },
    {
      "id": "chg_01a1a627-92b7-7a5a-bf90-8629e1435fe8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "tolk2go_interpreting_create_booking",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "tolk2go_interpreting_create_booking"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 10:42:53.722602+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “tolk2go_interpreting_create_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a1a627-92b7-7a5a-bf90-8629e1435fe8"
    },
    {
      "id": "chg_01a1a627-92b8-7dd5-9e2d-d2ae5e2a64cd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "tolk2go_interpreting_list_situations",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "tolk2go_interpreting_list_situations"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 10:42:53.722602+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “tolk2go_interpreting_list_situations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a1a627-92b8-7dd5-9e2d-d2ae5e2a64cd"
    },
    {
      "id": "chg_01a1a627-92ba-705a-9348-f1a5941c328f",
      "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": "2026-11-04",
      "occurred_at": "2026-11-04 10:42:53.722602+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a1a627-92ba-705a-9348-f1a5941c328f"
    },
    {
      "id": "chg_01a19bd7-1461-70a8-8bda-baa36cf4987d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "tolk2go_interpreting_create_booking",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "tolk2go_interpreting_create_booking"
      },
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 10:38:46.342193+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “tolk2go_interpreting_create_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a19bd7-1461-70a8-8bda-baa36cf4987d"
    },
    {
      "id": "chg_01a19bd7-1463-7963-bb7c-d00daf364f88",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "tolk2go_interpreting_get_responses",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "tolk2go_interpreting_get_responses"
      },
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 10:38:46.342193+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “tolk2go_interpreting_get_responses” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a19bd7-1463-7963-bb7c-d00daf364f88"
    },
    {
      "id": "chg_01a19bd7-1463-7ebf-966d-ce99610ed866",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "tolk2go_interpreting_select_interpreter",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "tolk2go_interpreting_select_interpreter"
      },
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 10:38:46.342193+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “tolk2go_interpreting_select_interpreter” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a19bd7-1463-7ebf-966d-ce99610ed866"
    },
    {
      "id": "chg_01a19bd7-1468-7d2f-b311-5498aaeec40e",
      "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": "2026-11-02",
      "occurred_at": "2026-11-02 10:38:46.342193+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a19bd7-1468-7d2f-b311-5498aaeec40e"
    },
    {
      "id": "chg_01a18c64-73de-70ba-b2f4-3c42ac493305",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 10:39:15.868406+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a18c64-73de-70ba-b2f4-3c42ac493305"
    },
    {
      "id": "chg_01a18c64-73df-7b5f-864f-c96bc78e05b8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "tolk2go_search_support_knowledge",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "tolk2go_search_support_knowledge"
      },
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 10:39:15.868406+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “tolk2go_search_support_knowledge” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a18c64-73df-7b5f-864f-c96bc78e05b8"
    },
    {
      "id": "chg_01a18739-3acd-7ea0-84b2-4830b98532bb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "tolk2go_search_support_knowledge",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "tolk2go_search_support_knowledge"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 10:33:57.173169+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “tolk2go_search_support_knowledge” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a18739-3acd-7ea0-84b2-4830b98532bb"
    },
    {
      "id": "chg_01a13f21-0ee3-7ddf-9950-44ee3f58dabc",
      "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": "2026-10-15",
      "occurred_at": "2026-10-15 10:34:53.448071+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-tolk2go-booking/api-v1-mcp#chg-chg_01a13f21-0ee3-7ddf-9950-44ee3f58dabc"
    }
  ],
  "days": [
    {
      "date": "2026-11-05",
      "total": 90,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-11-04",
      "total": 90,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 15
    },
    {
      "date": "2026-11-02",
      "total": 89,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 13
    },
    {
      "date": "2026-10-30",
      "total": 88,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-10-29",
      "total": 87,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-28",
      "total": 87,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 90,
        "to": 93,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 27,
          "to_days": 28
        },
        "partial": false,
        "compared_to": "2026-10-27",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 90 to 93. That category is still filling its 30-day observation window: 27 days of observed history at the previous scan, 28 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-26",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 83,
        "to": 87,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 25,
          "to_days": 26
        },
        "partial": false,
        "compared_to": "2026-10-25",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 83 to 87. That category is still filling its 30-day observation window: 25 days of observed history at the previous scan, 26 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-23",
      "total": 85,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 73,
        "to": 77,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 22,
          "to_days": 23
        },
        "partial": false,
        "compared_to": "2026-10-22",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 73 to 77. That category is still filling its 30-day observation window: 22 days of observed history at the previous scan, 23 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}