{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "app-weekendflights-weekendflights",
  "component": "weekendflights",
  "generated_at": "2026-10-19T08:55:47.097Z",
  "tracking_since": "2026-10-03",
  "counts": {
    "critical": 0,
    "security": 2,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a138b6-eef4-77a0-af73-764cd651e9e6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "weekend_prices",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "weekend_prices"
      },
      "occurred_on": "2026-10-14",
      "occurred_at": "2026-10-14 04:41:14.731426+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “weekend_prices” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/app-weekendflights-weekendflights/weekendflights#chg-chg_01a138b6-eef4-77a0-af73-764cd651e9e6"
    },
    {
      "id": "chg_01a138b6-efb0-7caa-a938-a1e95857bab6",
      "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": "2026-10-14",
      "occurred_at": "2026-10-14 04:41:14.731426+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/app-weekendflights-weekendflights/weekendflights#chg-chg_01a138b6-efb0-7caa-a938-a1e95857bab6"
    }
  ],
  "days": [
    {
      "date": "2026-10-19",
      "total": 65,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 50,
        "to": 53,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 15,
          "to_days": 16
        },
        "partial": false,
        "compared_to": "2026-10-18",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-17",
      "total": 64,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 43,
        "to": 47,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 13,
          "to_days": 14
        },
        "partial": false,
        "compared_to": "2026-10-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-15",
      "total": 63,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 37,
        "to": 40,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 11,
          "to_days": 12
        },
        "partial": false,
        "compared_to": "2026-10-14",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 37 to 40. That category is still filling its 30-day observation window: 11 days of observed history at the previous scan, 12 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-14",
      "total": 62,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-10-12",
      "total": 62,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 23,
        "to": 30,
        "delta": 7,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 7,
          "to_days": 9
        },
        "partial": false,
        "compared_to": "2026-10-10",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 23 to 30. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 9 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-10",
      "total": 61,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 13,
        "to": 23,
        "delta": 10,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 4,
          "to_days": 7
        },
        "partial": false,
        "compared_to": "2026-10-07",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 13 to 23. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-07",
      "total": 60,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 10,
        "to": 13,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 3,
          "to_days": 4
        },
        "partial": false,
        "compared_to": "2026-10-06",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 10 to 13. That category is still filling its 30-day observation window: 3 days of observed history at the previous scan, 4 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-05",
      "total": 59,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 3,
        "to": 7,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 1,
          "to_days": 2
        },
        "partial": false,
        "compared_to": "2026-10-04",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 3 to 7. That category is still filling its 30-day observation window: 1 days of observed history at the previous scan, 2 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}