{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-claude-world-worlds-knowledge",
  "component": "mcp",
  "generated_at": "2026-09-20T17:34:31.332Z",
  "tracking_since": "2026-08-01",
  "counts": {
    "critical": 0,
    "security": 4,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a05668-6db1-7a22-8b17-1a25cd2a866d",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 06:01:19.380249+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-claude-world-worlds-knowledge/mcp#chg-chg_01a05668-6db1-7a22-8b17-1a25cd2a866d"
    },
    {
      "id": "chg_019fc604-4b5e-74fe-a2c7-e9c763e1efd9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "worlds_get_document",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "worlds_get_document"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 05:06:37.990265+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “worlds_get_document” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-claude-world-worlds-knowledge/mcp#chg-chg_019fc604-4b5e-74fe-a2c7-e9c763e1efd9"
    },
    {
      "id": "chg_019fc604-4b5f-72c2-83ef-250edf23de83",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "worlds_search_knowledge",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "worlds_search_knowledge"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 05:06:37.990265+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “worlds_search_knowledge” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-claude-world-worlds-knowledge/mcp#chg-chg_019fc604-4b5f-72c2-83ef-250edf23de83"
    },
    {
      "id": "chg_019fc604-4b63-73d3-a4e7-9a35641a8296",
      "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": "2026-08-03",
      "occurred_at": "2026-08-03 05:06:37.990265+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-claude-world-worlds-knowledge/mcp#chg-chg_019fc604-4b63-73d3-a4e7-9a35641a8296"
    }
  ],
  "days": [
    {
      "date": "2026-08-31",
      "total": 89,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-29",
      "total": 88,
      "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": "2026-08-28",
        "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": "2026-08-27",
      "total": 87,
      "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": "2026-08-26",
        "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": "2026-08-26",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 85,
      "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": "2026-08-24",
        "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": "2026-08-23",
      "total": 84,
      "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": "2026-08-22",
        "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": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-03",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 12
    }
  ]
}