{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "cyanheads-wikipedia-mcp-server",
  "component": "wikipedia",
  "generated_at": "2026-11-05T12:55:11.547Z",
  "tracking_since": "2026-09-17",
  "counts": {
    "critical": 0,
    "security": 8,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a189ad-cef7-7cc0-b672-76349da343be",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "wikipedia_get_article",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "wikipedia_get_article"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 22:00:31.70641+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “wikipedia_get_article” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-wikipedia-mcp-server/wikipedia#chg-chg_01a189ad-cef7-7cc0-b672-76349da343be"
    },
    {
      "id": "chg_01a189ad-cef9-7b7a-9a57-90d504fd537e",
      "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": "2026-10-29",
      "occurred_at": "2026-10-29 22:00:31.70641+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-wikipedia-mcp-server/wikipedia#chg-chg_01a189ad-cef9-7b7a-9a57-90d504fd537e"
    },
    {
      "id": "chg_01a16e39-00e8-7cb8-b455-f632b0819e78",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "wikipedia_get_article",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "wikipedia_get_article"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 14:03:11.902465+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “wikipedia_get_article” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-wikipedia-mcp-server/wikipedia#chg-chg_01a16e39-00e8-7cb8-b455-f632b0819e78"
    },
    {
      "id": "chg_01a147a8-e60e-7084-bc20-b038d905b5e5",
      "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": "2026-10-17",
      "occurred_at": "2026-10-17 02:20:13.666255+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-wikipedia-mcp-server/wikipedia#chg-chg_01a147a8-e60e-7084-bc20-b038d905b5e5"
    },
    {
      "id": "chg_01a0cbd8-5d3f-721a-a07f-2c4b84ffe9f1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "wikipedia_get_article",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "wikipedia_get_article"
      },
      "occurred_on": "2026-09-23",
      "occurred_at": "2026-09-23 01:19:09.577024+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Tool “wikipedia_get_article” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-wikipedia-mcp-server/wikipedia#chg-chg_01a0cbd8-5d3f-721a-a07f-2c4b84ffe9f1"
    },
    {
      "id": "chg_01a0cbd8-5d40-7308-987d-3245ff51f36a",
      "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": "2026-09-23",
      "occurred_at": "2026-09-23 01:19:09.577024+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-wikipedia-mcp-server/wikipedia#chg-chg_01a0cbd8-5d40-7308-987d-3245ff51f36a"
    },
    {
      "id": "chg_01a0cb93-78af-7745-af1d-3cb0909522c4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "wikipedia_search_nearby",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "wikipedia_search_nearby"
      },
      "occurred_on": "2026-09-23",
      "occurred_at": "2026-09-23 00:03:54.611013+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "Tool “wikipedia_search_nearby” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-wikipedia-mcp-server/wikipedia#chg-chg_01a0cb93-78af-7745-af1d-3cb0909522c4"
    },
    {
      "id": "chg_01a0cb93-78a8-7e44-8137-47fe4e0574d2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "wikipedia_search_articles",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "wikipedia_search_articles"
      },
      "occurred_on": "2026-09-23",
      "occurred_at": "2026-09-23 00:03:54.611013+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "Tool “wikipedia_search_articles” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-wikipedia-mcp-server/wikipedia#chg-chg_01a0cb93-78a8-7e44-8137-47fe4e0574d2"
    }
  ],
  "days": [
    {
      "date": "2026-10-29",
      "total": 89,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-10-24",
      "total": 87,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 10
    },
    {
      "date": "2026-10-17",
      "total": 87,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-16",
      "total": 87,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 93,
        "to": 97,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 28,
          "to_days": 29
        },
        "partial": false,
        "compared_to": "2026-10-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-14",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 87,
        "to": 90,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 26,
          "to_days": 27
        },
        "partial": false,
        "compared_to": "2026-10-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-12",
      "total": 85,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 77,
        "to": 83,
        "delta": 6,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 23,
          "to_days": 25
        },
        "partial": false,
        "compared_to": "2026-10-10",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 77 to 83. That category is still filling its 30-day observation window: 23 days of observed history at the previous scan, 25 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-10",
      "total": 84,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-06",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 57,
        "to": 63,
        "delta": 6,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 17,
          "to_days": 19
        },
        "partial": false,
        "compared_to": "2026-10-04",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 57 to 63. That category is still filling its 30-day observation window: 17 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
    }
  ]
}