{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-gojinko-mcp-jinko",
  "component": "mcp",
  "generated_at": "2026-09-28T17:46:40.254Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 14,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0e078-eebc-739e-acdf-8a9bbea36757",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "hotel_search",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "hotel_search"
      },
      "occurred_on": "2026-09-27",
      "occurred_at": "2026-09-27 01:26:56.825939+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "Tool “hotel_search” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a0e078-eebc-739e-acdf-8a9bbea36757"
    },
    {
      "id": "chg_01a0d104-dd6e-7ea8-ad11-8242701b75c9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "flight_search",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "flight_search"
      },
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 01:25:52.039986+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Tool “flight_search” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a0d104-dd6e-7ea8-ad11-8242701b75c9"
    },
    {
      "id": "chg_01a0cbdf-493d-7eaa-961e-3bc6e3f1ff3a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "flight_search",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "flight_search"
      },
      "occurred_on": "2026-09-23",
      "occurred_at": "2026-09-23 01:26:43.178317+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "Tool “flight_search” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a0cbdf-493d-7eaa-961e-3bc6e3f1ff3a"
    },
    {
      "id": "chg_01a0cbdf-493f-7904-9061-ed04adaf1409",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "hotel_search",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "hotel_search"
      },
      "occurred_on": "2026-09-23",
      "occurred_at": "2026-09-23 01:26:43.178317+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "Tool “hotel_search” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a0cbdf-493f-7904-9061-ed04adaf1409"
    },
    {
      "id": "chg_01a0b72f-5616-7695-aa5b-e36763d4191c",
      "kind": "check.verdict",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.injection_markers",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "count": "4",
        "field": "server_instructions",
        "quote": "never tell the user",
        "marker": "concealment",
        "offset": "1035",
        "markers": "concealment"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 01:02:07.809965+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Injection markers (pass → fail)",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a0b72f-5616-7695-aa5b-e36763d4191c"
    },
    {
      "id": "chg_01a0b72f-5619-7439-90a3-3e703d1250dd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "book",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "book"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 01:02:07.809965+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “book” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a0b72f-5619-7439-90a3-3e703d1250dd"
    },
    {
      "id": "chg_01a0b72f-561b-7174-8150-c0a5046c0c5a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "flight_search",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "flight_search"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 01:02:07.809965+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “flight_search” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a0b72f-561b-7174-8150-c0a5046c0c5a"
    },
    {
      "id": "chg_01a0b72f-561b-76e2-92a9-b65a15fd2a1e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "hotel_search",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "hotel_search"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 01:02:07.809965+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “hotel_search” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a0b72f-561b-76e2-92a9-b65a15fd2a1e"
    },
    {
      "id": "chg_01a0b72f-561d-7551-884b-bfd7a16fe8c3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "trip",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "trip"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 01:02:07.809965+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “trip” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a0b72f-561d-7551-884b-bfd7a16fe8c3"
    },
    {
      "id": "chg_01a0b72f-561e-7334-8a8a-89b8f80116ac",
      "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": "2026-09-19",
      "occurred_at": "2026-09-19 01:02:07.809965+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a0b72f-561e-7334-8a8a-89b8f80116ac"
    },
    {
      "id": "chg_01a05fa3-0f7d-72c3-9c18-e30ceccdadab",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "flight_search",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "flight_search"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 01:01:56.950582+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “flight_search” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a05fa3-0f7d-72c3-9c18-e30ceccdadab"
    },
    {
      "id": "chg_01a05a7c-afa8-7b5a-9633-0dc63923edd6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "flight_search",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "flight_search"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 01:01:55.951885+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “flight_search” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a05a7c-afa8-7b5a-9633-0dc63923edd6"
    },
    {
      "id": "chg_01a03670-1974-7f22-b8d9-d2a07aa4e5be",
      "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 01:01:51.292474+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_01a03670-1974-7f22-b8d9-d2a07aa4e5be"
    },
    {
      "id": "chg_019ff37d-da27-7d9f-8ec3-e32aa49d24f6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "trip",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "trip"
      },
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 01:02:19.134691+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Tool “trip” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-gojinko-mcp-jinko/mcp#chg-chg_019ff37d-da27-7d9f-8ec3-e32aa49d24f6"
    }
  ],
  "days": [
    {
      "date": "2026-09-28",
      "total": 70,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-27",
      "total": 70,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-09-26",
      "total": 70,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-25",
      "total": 70,
      "delta": -7,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-24",
      "total": 77,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-09-23",
      "total": 77,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-09-19",
      "total": 77,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-09-09",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Schema Quality & AI Usability",
        "from": 67,
        "to": 69,
        "delta": 2,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-08",
        "summary": "No change was recorded against any check on this day. Schema Quality & AI Usability went from 67 to 69."
      },
      "event_count": 0
    }
  ]
}