{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-a11ychk-mcp",
  "component": "a11ychk-mcp",
  "generated_at": "2026-09-21T08:33:07.084Z",
  "tracking_since": "2026-08-02",
  "counts": {
    "critical": 0,
    "security": 7,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0a940-97c5-78a6-8adb-d3d7003658ea",
      "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": "2026-09-16",
      "occurred_at": "2026-09-16 08:06:17.618638+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-a11ychk-mcp/a11ychk-mcp#chg-chg_01a0a940-97c5-78a6-8adb-d3d7003658ea"
    },
    {
      "id": "chg_01a08533-f7cb-7589-8f3d-e4f6e5122328",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 08:06:10.563096+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-a11ychk-mcp/a11ychk-mcp#chg-chg_01a08533-f7cb-7589-8f3d-e4f6e5122328"
    },
    {
      "id": "chg_01a05c02-ecd7-75de-ae5e-30854cf87d1e",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 08:08:10.673762+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-a11ychk-mcp/a11ychk-mcp#chg-chg_01a05c02-ecd7-75de-ae5e-30854cf87d1e"
    },
    {
      "id": "chg_01a057b1-2716-78a0-80a9-767575de3142",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.93",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 12:00:22.40712+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Stability (0.93 → unverified)",
      "link": "https://verifymcp.io/servers/com-a11ychk-mcp/a11ychk-mcp#chg-chg_01a057b1-2716-78a0-80a9-767575de3142"
    },
    {
      "id": "chg_01a057b1-2719-705f-860e-ae2ed0efc650",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.sandbox_pending",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 12:00:22.40712+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/com-a11ychk-mcp/a11ychk-mcp#chg-chg_01a057b1-2719-705f-860e-ae2ed0efc650"
    },
    {
      "id": "chg_019fdb42-6e0d-7e3b-8f63-e3f352c7ec55",
      "kind": "check.verdict",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.tree_partial",
      "to_code": "cve.none",
      "from_value": "partial",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "seen": "99",
        "assessed": "100",
        "resolved": "99",
        "tree_source": "registry",
        "tree_status": "resolved"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 08:06:31.677589+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Known CVEs (partial → pass)",
      "link": "https://verifymcp.io/servers/com-a11ychk-mcp/a11ychk-mcp#chg-chg_019fdb42-6e0d-7e3b-8f63-e3f352c7ec55"
    },
    {
      "id": "chg_019fc605-f70c-76b5-a483-ce100b5dd942",
      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 05:08:27.468142+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.)",
      "link": "https://verifymcp.io/servers/com-a11ychk-mcp/a11ychk-mcp#chg-chg_019fc605-f70c-76b5-a483-ce100b5dd942"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 93,
      "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": "2026-09-19",
        "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": "2026-09-17",
      "total": 92,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-16",
      "total": 94,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-15",
      "total": 94,
      "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": "2026-09-14",
        "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": "2026-09-13",
      "total": 93,
      "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": "2026-09-12",
        "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": "2026-09-10",
      "total": 92,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-09",
      "total": 94,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-08",
      "total": 94,
      "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": "2026-09-07",
        "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
    }
  ]
}