{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "ai-vibebooking-vibebook",
  "component": "vibebook",
  "generated_at": "2026-11-05T11:58:49.125Z",
  "tracking_since": "2026-10-10",
  "counts": {
    "critical": 0,
    "security": 6,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a16693-7143-7059-83d7-6c2d87f27c55",
      "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": "2026-10-23",
      "occurred_at": "2026-10-23 02:25:01.047365+00",
      "observed_since": "2026-10-22",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ai-vibebooking-vibebook/vibebook#chg-chg_01a16693-7143-7059-83d7-6c2d87f27c55"
    },
    {
      "id": "chg_01a13310-1b31-7aba-94f2-dc023a852f01",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "book_link",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "book_link"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 02:20:55.909725+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “book_link” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-vibebooking-vibebook/vibebook#chg-chg_01a13310-1b31-7aba-94f2-dc023a852f01"
    },
    {
      "id": "chg_01a13310-1b34-7a4c-90dc-80c0ebad0e16",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_rates",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_rates"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 02:20:55.909725+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “get_rates” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-vibebooking-vibebook/vibebook#chg-chg_01a13310-1b34-7a4c-90dc-80c0ebad0e16"
    },
    {
      "id": "chg_01a13310-1b35-7e43-b3d5-bd4b0a02d0af",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resolve_hotel",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resolve_hotel"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 02:20:55.909725+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “resolve_hotel” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-vibebooking-vibebook/vibebook#chg-chg_01a13310-1b35-7e43-b3d5-bd4b0a02d0af"
    },
    {
      "id": "chg_01a13310-1b36-7d68-a60c-284729cd6533",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_hotels",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_hotels"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 02:20:55.909725+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “search_hotels” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-vibebooking-vibebook/vibebook#chg-chg_01a13310-1b36-7d68-a60c-284729cd6533"
    },
    {
      "id": "chg_01a13310-1b3a-786f-8bd9-05484e083501",
      "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": "2026-10-13",
      "occurred_at": "2026-10-13 02:20:55.909725+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ai-vibebooking-vibebook/vibebook#chg-chg_01a13310-1b3a-786f-8bd9-05484e083501"
    }
  ],
  "days": [
    {
      "date": "2026-11-04",
      "total": 81,
      "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": "2026-11-03",
        "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": "2026-11-02",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 77,
        "to": 80,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 23,
          "to_days": 24
        },
        "partial": false,
        "compared_to": "2026-11-01",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 77 to 80. That category is still filling its 30-day observation window: 23 days of observed history at the previous scan, 24 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-31",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 70,
        "to": 73,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 21,
          "to_days": 22
        },
        "partial": false,
        "compared_to": "2026-10-30",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 70 to 73. That category is still filling its 30-day observation window: 21 days of observed history at the previous scan, 22 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-29",
      "total": 78,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 63,
        "to": 67,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 19,
          "to_days": 20
        },
        "partial": false,
        "compared_to": "2026-10-28",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-26",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 53,
        "to": 57,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 16,
          "to_days": 17
        },
        "partial": false,
        "compared_to": "2026-10-25",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 53 to 57. That category is still filling its 30-day observation window: 16 days of observed history at the previous scan, 17 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-24",
      "total": 76,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 47,
        "to": 50,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 14,
          "to_days": 15
        },
        "partial": false,
        "compared_to": "2026-10-23",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 47 to 50. That category is still filling its 30-day observation window: 14 days of observed history at the previous scan, 15 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-23",
      "total": 75,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-22",
      "total": 75,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    }
  ]
}