{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "ai-zerowidth-caliper",
  "component": "mcp-x-caliper",
  "generated_at": "2026-10-24T06:06:10.016Z",
  "tracking_since": "2026-10-08",
  "counts": {
    "critical": 0,
    "security": 7,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a16254-3c65-7539-94f9-737cce67c8a7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_docs",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_docs"
      },
      "occurred_on": "2026-10-22",
      "occurred_at": "2026-10-22 06:37:30.059313+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "Tool “search_docs” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-zerowidth-caliper/mcp-x-caliper#chg-chg_01a16254-3c65-7539-94f9-737cce67c8a7"
    },
    {
      "id": "chg_01a1488d-b800-7539-8b63-13c4808039d2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_workspace",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_workspace"
      },
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 06:30:09.639364+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “search_workspace” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-zerowidth-caliper/mcp-x-caliper#chg-chg_01a1488d-b800-7539-8b63-13c4808039d2"
    },
    {
      "id": "chg_01a13922-aa93-77f4-8a41-0d6ad06f9262",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "caliper_datasets_add_items",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "caliper_datasets_add_items"
      },
      "occurred_on": "2026-10-14",
      "occurred_at": "2026-10-14 06:38:55.139255+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “caliper_datasets_add_items” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-zerowidth-caliper/mcp-x-caliper#chg-chg_01a13922-aa93-77f4-8a41-0d6ad06f9262"
    },
    {
      "id": "chg_01a13922-aa97-737d-9481-be3d30ce112d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "caliper_datasets_create",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "caliper_datasets_create"
      },
      "occurred_on": "2026-10-14",
      "occurred_at": "2026-10-14 06:38:55.139255+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “caliper_datasets_create” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-zerowidth-caliper/mcp-x-caliper#chg-chg_01a13922-aa97-737d-9481-be3d30ce112d"
    },
    {
      "id": "chg_01a13922-aa97-7b71-b581-721a44b8d86d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "caliper_datasets_update_item",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "caliper_datasets_update_item"
      },
      "occurred_on": "2026-10-14",
      "occurred_at": "2026-10-14 06:38:55.139255+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “caliper_datasets_update_item” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-zerowidth-caliper/mcp-x-caliper#chg-chg_01a13922-aa97-7b71-b581-721a44b8d86d"
    },
    {
      "id": "chg_01a13922-aaa2-7367-954e-23d1c5af1072",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "caliper_evals_update",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "caliper_evals_update"
      },
      "occurred_on": "2026-10-14",
      "occurred_at": "2026-10-14 06:38:55.139255+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “caliper_evals_update” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-zerowidth-caliper/mcp-x-caliper#chg-chg_01a13922-aaa2-7367-954e-23d1c5af1072"
    },
    {
      "id": "chg_01a133f2-35a2-7a22-abc9-550cbf86bc5e",
      "kind": "check.reverified",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": "toolsafety.manipulation_unjudged",
      "to_code": "toolsafety.manipulation_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "units": "46",
        "judged": "46"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 06:27:53.855074+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Judged manipulation (unverified → pass)",
      "link": "https://verifymcp.io/servers/ai-zerowidth-caliper/mcp-x-caliper#chg-chg_01a133f2-35a2-7a22-abc9-550cbf86bc5e"
    }
  ],
  "days": [
    {
      "date": "2026-10-22",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-20",
      "total": 72,
      "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": "2026-10-19",
        "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": "2026-10-18",
      "total": 71,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 30,
        "to": 33,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 9,
          "to_days": 10
        },
        "partial": false,
        "compared_to": "2026-10-17",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 30 to 33. That category is still filling its 30-day observation window: 9 days of observed history at the previous scan, 10 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-17",
      "total": 70,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-10-16",
      "total": 70,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 23,
        "to": 27,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 7,
          "to_days": 8
        },
        "partial": false,
        "compared_to": "2026-10-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-15",
      "total": 69,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-14",
      "total": 69,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 9
    },
    {
      "date": "2026-10-13",
      "total": 68,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    }
  ]
}