{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "app-g-guest-g-guest",
  "component": "api-mcp",
  "generated_at": "2026-10-06T19:04:17.243Z",
  "tracking_since": "2026-08-30",
  "counts": {
    "critical": 0,
    "security": 6,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a100a8-1776-7623-84d1-e78411fa2571",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_booking",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_booking"
      },
      "occurred_on": "2026-10-03",
      "occurred_at": "2026-10-03 07:26:18.130174+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “check_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/app-g-guest-g-guest/api-mcp#chg-chg_01a100a8-1776-7623-84d1-e78411fa2571"
    },
    {
      "id": "chg_01a100a8-1777-799b-81c0-d94832d2a34d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "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": "create_booking"
      },
      "occurred_on": "2026-10-03",
      "occurred_at": "2026-10-03 07:26:18.130174+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “create_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/app-g-guest-g-guest/api-mcp#chg-chg_01a100a8-1777-799b-81c0-d94832d2a34d"
    },
    {
      "id": "chg_01a0ec01-ee7b-7dd5-88a4-70c220a8f1a8",
      "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": "2026-09-29",
      "occurred_at": "2026-09-29 07:12:23.773539+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/app-g-guest-g-guest/api-mcp#chg-chg_01a0ec01-ee7b-7dd5-88a4-70c220a8f1a8"
    },
    {
      "id": "chg_01a07fde-15bf-7c5e-b6e4-446fa87af435",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "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": "create_booking"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 07:14:15.878877+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “create_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/app-g-guest-g-guest/api-mcp#chg-chg_01a07fde-15bf-7c5e-b6e4-446fa87af435"
    },
    {
      "id": "chg_01a07ab7-1c1b-70eb-8396-270af139beea",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 07:13:35.435881+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/app-g-guest-g-guest/api-mcp#chg-chg_01a07ab7-1c1b-70eb-8396-270af139beea"
    },
    {
      "id": "chg_01a0758e-7502-724e-984c-12c165ff1ce5",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 07:11:05.421083+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/app-g-guest-g-guest/api-mcp#chg-chg_01a0758e-7502-724e-984c-12c165ff1ce5"
    }
  ],
  "days": [
    {
      "date": "2026-10-03",
      "total": 76,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-29",
      "total": 76,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-28",
      "total": 75,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-27",
      "total": 75,
      "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": "2026-09-26",
        "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": "2026-09-25",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-22",
      "total": 73,
      "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": "2026-09-21",
        "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
    },
    {
      "date": "2026-09-20",
      "total": 72,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 67,
        "to": 70,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 20,
          "to_days": 21
        },
        "partial": false,
        "compared_to": "2026-09-19",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 67 to 70. That category is still filling its 30-day observation window: 20 days of observed history at the previous scan, 21 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-18",
      "total": 71,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 60,
        "to": 63,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 18,
          "to_days": 19
        },
        "partial": false,
        "compared_to": "2026-09-17",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 60 to 63. That category is still filling its 30-day observation window: 18 days of observed history at the previous scan, 19 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}