{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pro-aon-mcp",
  "component": "v1-mcp",
  "generated_at": "2026-10-18T22:52:37.901Z",
  "tracking_since": "2026-08-25",
  "counts": {
    "critical": 0,
    "security": 6,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a117de-b5d8-7481-8f4a-af4bcfa5e8a1",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.challenge_only_invoke",
      "to_code": "auth.none_undeclared",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "5"
      },
      "occurred_on": "2026-10-07",
      "occurred_at": "2026-10-07 19:37:07.234374+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pro-aon-mcp/v1-mcp#chg-chg_01a117de-b5d8-7481-8f4a-af4bcfa5e8a1"
    },
    {
      "id": "chg_01a117de-b640-714b-824a-5b6d2a89d7f1",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.07",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "5",
        "added": "0",
        "breaks": "0",
        "removed": "0",
        "auth_transport": "1"
      },
      "occurred_on": "2026-10-07",
      "occurred_at": "2026-10-07 19:37:07.234374+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Stability (0.07 → fail)",
      "link": "https://verifymcp.io/servers/pro-aon-mcp/v1-mcp#chg-chg_01a117de-b640-714b-824a-5b6d2a89d7f1"
    },
    {
      "id": "chg_01a0fb7a-7f01-730c-87ed-c2f29bbbdcbb",
      "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": "2026-10-02",
      "occurred_at": "2026-10-02 07:18:23.94033+00",
      "observed_since": "2026-10-01",
      "source": "scan",
      "summary": "Transport (unverified → pass)",
      "link": "https://verifymcp.io/servers/pro-aon-mcp/v1-mcp#chg-chg_01a0fb7a-7f01-730c-87ed-c2f29bbbdcbb"
    },
    {
      "id": "chg_01a0fb7a-7f02-75a5-b4cb-f8e4119a6e2f",
      "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": "2026-10-02",
      "occurred_at": "2026-10-02 07:18:23.94033+00",
      "observed_since": "2026-10-01",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pro-aon-mcp/v1-mcp#chg-chg_01a0fb7a-7f02-75a5-b4cb-f8e4119a6e2f"
    },
    {
      "id": "chg_01a0fb7a-7f02-7b8f-a27a-bd37c13f6206",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.challenge_only",
      "to_code": "auth.challenge_only_invoke",
      "from_value": "fail",
      "to_value": "fail",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 07:18:23.94033+00",
      "observed_since": "2026-10-01",
      "source": "scan",
      "summary": "Authorization (Authorisation is enforced on tool calls, but the challenge carries no valid RFC 9728 metadata, so a client cannot discover where to get a token.)",
      "link": "https://verifymcp.io/servers/pro-aon-mcp/v1-mcp#chg-chg_01a0fb7a-7f02-7b8f-a27a-bd37c13f6206"
    },
    {
      "id": "chg_01a0fb7a-7f03-7328-86fd-83d849c60710",
      "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": "6",
        "judged": "6"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 07:18:23.94033+00",
      "observed_since": "2026-10-01",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/pro-aon-mcp/v1-mcp#chg-chg_01a0fb7a-7f03-7328-86fd-83d849c60710"
    }
  ],
  "days": [
    {
      "date": "2026-10-17",
      "total": 59,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 34,
        "to": 38,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 34 to 38."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-14",
      "total": 58,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 24,
        "to": 28,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 24 to 28."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-12",
      "total": 57,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 14,
        "to": 21,
        "delta": 7,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-10",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 14 to 21."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-10",
      "total": 56,
      "delta": 2,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 4,
        "to": 14,
        "delta": 10,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-07",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 4 to 14."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-07",
      "total": 54,
      "delta": -11,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-10-04",
      "total": 65,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 3,
        "to": 7,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 1,
          "to_days": 2
        },
        "partial": false,
        "compared_to": "2026-10-03",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 3 to 7. That category is still filling its 30-day observation window: 1 days of observed history at the previous scan, 2 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-03",
      "total": 64,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-02",
      "total": 64,
      "delta": 36,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 11
    }
  ]
}