{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-usanaru-schools",
  "component": "usanaru",
  "generated_at": "2026-10-18T09:03:14.605Z",
  "tracking_since": "2026-10-10",
  "counts": {
    "critical": 0,
    "security": 6,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1340f-f240-7468-a598-3f13c396072d",
      "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 07:00:22.694403+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/com-usanaru-schools/usanaru#chg-chg_01a1340f-f240-7468-a598-3f13c396072d"
    },
    {
      "id": "chg_01a12e11-9383-7139-b3c1-13808f0816cd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "about",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "about"
      },
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 03:04:24.234903+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "Tool “about” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-usanaru-schools/usanaru#chg-chg_01a12e11-9383-7139-b3c1-13808f0816cd"
    },
    {
      "id": "chg_01a12e11-938c-735d-b568-57a8df9f326d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "find_helpers",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "find_helpers"
      },
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 03:04:24.234903+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "Tool “find_helpers” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-usanaru-schools/usanaru#chg-chg_01a12e11-938c-735d-b568-57a8df9f326d"
    },
    {
      "id": "chg_01a12e11-93f4-7001-ab75-3218c70b170b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_school",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_school"
      },
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 03:04:24.234903+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "Tool “get_school” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-usanaru-schools/usanaru#chg-chg_01a12e11-93f4-7001-ab75-3218c70b170b"
    },
    {
      "id": "chg_01a12e11-93f4-7799-91c1-b771f6e195a5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_schools",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_schools"
      },
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 03:04:24.234903+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "Tool “search_schools” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-usanaru-schools/usanaru#chg-chg_01a12e11-93f4-7799-91c1-b771f6e195a5"
    },
    {
      "id": "chg_01a12e11-9445-75fc-9f3e-f746c87218aa",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 03:04:24.234903+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-usanaru-schools/usanaru#chg-chg_01a12e11-9445-75fc-9f3e-f746c87218aa"
    }
  ],
  "days": [
    {
      "date": "2026-10-17",
      "total": 66,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 20,
        "to": 23,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 6,
          "to_days": 7
        },
        "partial": false,
        "compared_to": "2026-10-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 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": "2026-10-15",
      "total": 65,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-10-14",
      "total": 64,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-13",
      "total": 64,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-10-12",
      "total": 63,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 11
    },
    {
      "date": "2026-10-10",
      "total": 62,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}