{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-hasdata-duckduckgo",
  "component": "mcp",
  "generated_at": "2026-10-17T04:27:15.898Z",
  "tracking_since": "2026-09-22",
  "counts": {
    "critical": 0,
    "security": 4,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a10eb2-96a9-7e1f-996a-312f8f4c8074",
      "kind": "check.reverified",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.auth_gated",
      "to_code": "transport.verified",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-06",
      "occurred_at": "2026-10-06 00:52:19.23834+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Transport (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-hasdata-duckduckgo/mcp#chg-chg_01a10eb2-96a9-7e1f-996a-312f8f4c8074"
    },
    {
      "id": "chg_01a10eb2-99da-719b-8ed8-10d90d42cbcb",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.auth_gated",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-06",
      "occurred_at": "2026-10-06 00:52:19.23834+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-hasdata-duckduckgo/mcp#chg-chg_01a10eb2-99da-719b-8ed8-10d90d42cbcb"
    },
    {
      "id": "chg_01a10eb2-9a95-7c64-b403-dd2dfa7c65e2",
      "kind": "check.appeared",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": null,
      "to_code": "toolsafety.manipulation_clean",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "units": "2",
        "judged": "2"
      },
      "occurred_on": "2026-10-06",
      "occurred_at": "2026-10-06 00:52:19.23834+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/com-hasdata-duckduckgo/mcp#chg-chg_01a10eb2-9a95-7c64-b403-dd2dfa7c65e2"
    },
    {
      "id": "chg_01a10eb2-9a98-74a7-811c-60b6122cbbcd",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "pass",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-06",
      "occurred_at": "2026-10-06 00:52:19.23834+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Authorization (Authorisation is enforced on tool calls, advertised via RFC 9728 protected-resource metadata. Discovery is public, which costs nothing: no tool can be invoked without a token.)",
      "link": "https://verifymcp.io/servers/com-hasdata-duckduckgo/mcp#chg-chg_01a10eb2-9a98-74a7-811c-60b6122cbbcd"
    }
  ],
  "days": [
    {
      "date": "2026-10-15",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 27,
        "to": 30,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 8,
          "to_days": 9
        },
        "partial": false,
        "compared_to": "2026-10-14",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 27 to 30. That category is still filling its 30-day observation window: 8 days of observed history at the previous scan, 9 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-13",
      "total": 85,
      "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": "2026-10-12",
        "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": "2026-10-12",
      "total": 84,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 13,
        "to": 20,
        "delta": 7,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 4,
          "to_days": 6
        },
        "partial": false,
        "compared_to": "2026-10-10",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 13 to 20. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 6 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-10",
      "total": 83,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 3,
        "to": 13,
        "delta": 10,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 1,
          "to_days": 4
        },
        "partial": false,
        "compared_to": "2026-10-07",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 3 to 13. That category is still filling its 30-day observation window: 1 days of observed history at the previous scan, 4 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-07",
      "total": 82,
      "delta": 4,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-10-06",
      "total": 78,
      "delta": 39,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 11
    },
    {
      "date": "2026-09-28",
      "total": 39,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-25",
      "total": 39,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}