{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc",
  "component": "mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http",
  "generated_at": "2026-09-26T05:08:27.471Z",
  "tracking_since": "2026-09-11",
  "counts": {
    "critical": 1,
    "security": 18,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0d24f-42f6-7479-adbf-3a4b8974e9ed",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "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": "2026-09-24",
      "occurred_at": "2026-09-24 07:26:44.693488+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0d24f-42f6-7479-adbf-3a4b8974e9ed"
    },
    {
      "id": "chg_01a0d24f-42f7-7709-abed-46cab2529366",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.unreachable",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 07:26:44.693488+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0d24f-42f7-7709-abed-46cab2529366"
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    {
      "id": "chg_01a0d24f-42f7-7d2f-8aa7-8527d71b4b6e",
      "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": {},
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      "occurred_at": "2026-09-24 07:26:44.693488+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0d24f-42f7-7d2f-8aa7-8527d71b4b6e"
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    {
      "id": "chg_01a0d24f-42f8-73b0-b7b5-a5e2e6bc893d",
      "kind": "check.reverified",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
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      "from_code": "headers.inconclusive",
      "to_code": "headers.hsts_present",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
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      "occurred_at": "2026-09-24 07:26:44.693488+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "HSTS header (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0d24f-42f8-73b0-b7b5-a5e2e6bc893d"
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    {
      "id": "chg_01a0d24f-42fa-71eb-9d9f-cbcc2c39bed2",
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      "subject_kind": "tool",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "register"
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      "occurred_at": "2026-09-24 07:26:44.693488+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-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0d24f-42fa-71eb-9d9f-cbcc2c39bed2"
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    {
      "id": "chg_01a0cd2c-1216-7d77-a5e7-04867fbcd6cf",
      "kind": "check.unverifiable",
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      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.37",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
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      "occurred_at": "2026-09-23 07:30:12.48789+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "Stability (0.37 → unverified)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0cd2c-1216-7d77-a5e7-04867fbcd6cf"
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    {
      "id": "chg_01a0cd2c-1217-7e78-b62b-54d3a626037e",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
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      "subject_child": "",
      "from_code": "auth.none_destructive",
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      "from_value": "fail",
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      "occurred_at": "2026-09-23 07:30:12.48789+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0cd2c-1217-7e78-b62b-54d3a626037e"
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    {
      "id": "chg_01a0cd2c-1218-7635-864c-6f669552868d",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
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      "from_code": "toolsafety.injection_clean",
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      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-09-23",
      "occurred_at": "2026-09-23 07:30:12.48789+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0cd2c-1218-7635-864c-6f669552868d"
    },
    {
      "id": "chg_01a0cd2c-1218-7ce9-8d21-1e9d97579f79",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.unreachable",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-23",
      "occurred_at": "2026-09-23 07:30:12.48789+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0cd2c-1218-7ce9-8d21-1e9d97579f79"
    },
    {
      "id": "chg_01a0cd2c-1219-72e9-ae93-b1908a538df7",
      "kind": "check.unverifiable",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_present",
      "to_code": "headers.inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-23",
      "occurred_at": "2026-09-23 07:30:12.48789+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "HSTS header (pass → unverified)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0cd2c-1219-72e9-ae93-b1908a538df7"
    },
    {
      "id": "chg_01a0cd2c-121a-77a6-8214-ce3d03257d59",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "unreachable",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "unreachable",
        "from": "verified"
      },
      "occurred_on": "2026-09-23",
      "occurred_at": "2026-09-23 07:30:12.48789+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → unreachable)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0cd2c-121a-77a6-8214-ce3d03257d59"
    },
    {
      "id": "chg_01a0b889-a815-7628-acc3-0115296094bd",
      "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_flagged",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "unit": "server instructions",
        "units": "24",
        "judged": "24",
        "flagged": "1"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 07:20:24.241317+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Judged manipulation (unverified → fail)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0b889-a815-7628-acc3-0115296094bd"
    },
    {
      "id": "chg_01a0b889-a818-74e6-a16a-7e23a6d71d42",
      "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 07:20:24.241317+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-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0b889-a818-74e6-a16a-7e23a6d71d42"
    },
    {
      "id": "chg_01a0b363-401f-7b62-a98a-a1f8851e7942",
      "kind": "check.unverifiable",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": "toolsafety.manipulation_clean",
      "to_code": "toolsafety.manipulation_unjudged",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "units": "24",
        "judged": "23",
        "reason": "partially_judged"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 07:20:20.97595+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Judged manipulation (pass → unverified)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0b363-401f-7b62-a98a-a1f8851e7942"
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    {
      "id": "chg_01a0b363-4021-722e-a05d-70e9b1a0553b",
      "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 07:20:20.97595+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-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0b363-4021-722e-a05d-70e9b1a0553b"
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    {
      "id": "chg_01a0a916-1f49-7569-8d27-43449afa8e90",
      "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",
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      "materiality": "security",
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      "detail": {
        "units": "24",
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      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 07:19:54.225356+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Judged manipulation (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0a916-1f49-7569-8d27-43449afa8e90"
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    {
      "id": "chg_01a0a3f0-41d1-7a7b-b3f7-f0c8be0a96cb",
      "kind": "check.unverifiable",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": "toolsafety.manipulation_clean",
      "to_code": "toolsafety.manipulation_unjudged",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "units": "24",
        "judged": "23",
        "reason": "partially_judged"
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      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 07:20:26.486886+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Judged manipulation (pass → unverified)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0a3f0-41d1-7a7b-b3f7-f0c8be0a96cb"
    },
    {
      "id": "chg_01a0a3f0-41d3-7721-bc9c-34f9073fbc71",
      "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 07:20:26.486886+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-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0a3f0-41d3-7721-bc9c-34f9073fbc71"
    },
    {
      "id": "chg_01a0947d-1262-7bfc-b7f3-79548691fda1",
      "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": "24",
        "judged": "24"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 07:20:19.748923+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Judged manipulation (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-a2awire-benchmark-return-review-2026-09-11-fb3b8adc/mcp-benchmarks-return-review-2026-09-11-fb3b8adc-http#chg-chg_01a0947d-1262-7bfc-b7f3-79548691fda1"
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  ],
  "days": [
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      "date": "2026-09-25",
      "total": 61,
      "delta": 1,
      "tracked": true,
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      "date": "2026-09-23",
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      "delta": 0,
      "tracked": true,
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    },
    {
      "date": "2026-09-22",
      "total": 60,
      "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": "2026-09-21",
        "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
    },
    {
      "date": "2026-09-20",
      "total": 59,
      "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": "2026-09-19",
        "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": "2026-09-19",
      "total": 58,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-09-18",
      "total": 58,
      "delta": -10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-09-17",
      "total": 68,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 17,
        "to": 20,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 5,
          "to_days": 6
        },
        "partial": false,
        "compared_to": "2026-09-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 17 to 20. That category is still filling its 30-day observation window: 5 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
    }
  ]
}