{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-a2awire-benchmark-campaign-incrementality-audit-v1",
  "component": "mcp-benchmarks-campaign-incrementality-audit-v1-http",
  "generated_at": "2026-09-25T18:48:13.296Z",
  "tracking_since": "2026-09-06",
  "counts": {
    "critical": 1,
    "security": 15,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0d2b0-17b8-7e97-9a36-a9bb3dba85fc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "register",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "register"
      },
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 09:12:30.553887+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Tool “register” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a0d2b0-17b8-7e97-9a36-a9bb3dba85fc"
    },
    {
      "id": "chg_01a0cd87-fa91-7981-98cc-063c94b451b9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "register",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "register"
      },
      "occurred_on": "2026-09-23",
      "occurred_at": "2026-09-23 09:10:35.658582+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "Tool “register” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a0cd87-fa91-7981-98cc-063c94b451b9"
    },
    {
      "id": "chg_01a0c862-142d-72ee-a24e-d09d4ed31ebe",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_destructive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "hire_and_execute"
      },
      "occurred_on": "2026-09-22",
      "occurred_at": "2026-09-22 09:11:05.923988+00",
      "observed_since": "2026-09-21",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a0c862-142d-72ee-a24e-d09d4ed31ebe"
    },
    {
      "id": "chg_01a0c862-142e-785a-a75c-671bf06cb25c",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-22",
      "occurred_at": "2026-09-22 09:11:05.923988+00",
      "observed_since": "2026-09-21",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a0c862-142e-785a-a75c-671bf06cb25c"
    },
    {
      "id": "chg_01a0c33b-8940-79f5-86eb-7c136a9bb416",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-21",
      "occurred_at": "2026-09-21 09:10:53.667001+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a0c33b-8940-79f5-86eb-7c136a9bb416"
    },
    {
      "id": "chg_01a0c33b-8943-793c-bbde-a0dac0f7f96a",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.47",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-21",
      "occurred_at": "2026-09-21 09:10:53.667001+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Stability (0.47 → unverified)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a0c33b-8943-793c-bbde-a0dac0f7f96a"
    },
    {
      "id": "chg_01a0c33b-8943-7ebe-8f8f-a8581a6b3e56",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-21",
      "occurred_at": "2026-09-21 09:10:53.667001+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a0c33b-8943-7ebe-8f8f-a8581a6b3e56"
    },
    {
      "id": "chg_01a0c33b-8945-7294-a286-196c08921a89",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "verified"
      },
      "occurred_on": "2026-09-21",
      "occurred_at": "2026-09-21 09:10:53.667001+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a0c33b-8945-7294-a286-196c08921a89"
    },
    {
      "id": "chg_01a0b8ee-1653-7491-8fcd-2c02e06bc928",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "a2awire_guide",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "a2awire_guide"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 09:10:06.131418+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “a2awire_guide” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a0b8ee-1653-7491-8fcd-2c02e06bc928"
    },
    {
      "id": "chg_01a0b3c7-5615-76c5-a089-cc61227bb763",
      "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": "2026-09-18",
      "occurred_at": "2026-09-18 09:09:40.231075+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a0b3c7-5615-76c5-a089-cc61227bb763"
    },
    {
      "id": "chg_01a0a453-ae4a-78da-8481-07a26d60f4fc",
      "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": "2026-09-15",
      "occurred_at": "2026-09-15 09:09:02.239277+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a0a453-ae4a-78da-8481-07a26d60f4fc"
    },
    {
      "id": "chg_01a08a95-4499-7324-aac6-3c1e94d20941",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "a2awire_guide",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "a2awire_guide"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 09:10:32.771856+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “a2awire_guide” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a08a95-4499-7324-aac6-3c1e94d20941"
    },
    {
      "id": "chg_01a08678-2c23-7817-8288-9d4df5476f59",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "register",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "register"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 14:00:17.44344+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “register” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a08678-2c23-7817-8288-9d4df5476f59"
    },
    {
      "id": "chg_01a08678-2c24-78be-ac5d-abaec124facc",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 14:00:17.44344+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a08678-2c24-78be-ac5d-abaec124facc"
    },
    {
      "id": "chg_01a08046-87fe-7dc8-8504-5f1a8fb50eed",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "benchmark_start_run",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "benchmark_start_run"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 09:08:20.87732+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “benchmark_start_run” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a08046-87fe-7dc8-8504-5f1a8fb50eed"
    },
    {
      "id": "chg_01a08046-8802-7149-b8f7-a1ddc906d9e2",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 09:08:20.87732+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-campaign-incrementality-audit-v1/mcp-benchmarks-campaign-incrementality-audit-v1-http#chg-chg_01a08046-8802-7149-b8f7-a1ddc906d9e2"
    }
  ],
  "days": [
    {
      "date": "2026-09-25",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-24",
      "total": 73,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-23",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-22",
      "total": 72,
      "delta": 37,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-09-21",
      "total": 35,
      "delta": -36,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-09-19",
      "total": 71,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-18",
      "total": 70,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-17",
      "total": 70,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 33,
        "to": 37,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 10,
          "to_days": 11
        },
        "partial": false,
        "compared_to": "2026-09-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 33 to 37. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 11 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}