{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "imagiever-ar-a2a-artifact-handoff",
  "component": "a2a-artifact-handoff",
  "generated_at": "2026-09-21T00:34:00.706Z",
  "tracking_since": "2026-07-31",
  "counts": {
    "critical": 0,
    "security": 15,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b765-9181-7233-966e-cc4626979d5d",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.insufficient_history",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 02:01:21.998634+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a0b765-9181-7233-966e-cc4626979d5d"
    },
    {
      "id": "chg_01a0b765-9182-7ae9-a7da-f1573870e1ce",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "503",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 02:01:21.998634+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a0b765-9182-7ae9-a7da-f1573870e1ce"
    },
    {
      "id": "chg_01a0b765-9183-7169-80bb-e1118e05f8bf",
      "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": "2026-09-19",
      "occurred_at": "2026-09-19 02:01:21.998634+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a0b765-9183-7169-80bb-e1118e05f8bf"
    },
    {
      "id": "chg_01a0b765-9184-7289-8067-1d0ca6849dd5",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.none_unlisted",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 02:01:21.998634+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the tool list to see what that exposes.)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a0b765-9184-7289-8067-1d0ca6849dd5"
    },
    {
      "id": "chg_01a0b765-9185-7e3e-b3af-bbc6c7f5277f",
      "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": "2026-09-19",
      "occurred_at": "2026-09-19 02:01:21.998634+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a0b765-9185-7e3e-b3af-bbc6c7f5277f"
    },
    {
      "id": "chg_01a05ab4-6cf5-7527-9143-7f0bd6e3693c",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.http_error",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 02:02:48.91231+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a05ab4-6cf5-7527-9143-7f0bd6e3693c"
    },
    {
      "id": "chg_01a05ab4-6cf6-7449-bcb1-a176bc71fb42",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 02:02:48.91231+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a05ab4-6cf6-7449-bcb1-a176bc71fb42"
    },
    {
      "id": "chg_01a05ab4-6cf6-7ad5-bf61-6fa90761a13c",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.stable",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 02:02:48.91231+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Stability (unverified → pass)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a05ab4-6cf6-7ad5-bf61-6fa90761a13c"
    },
    {
      "id": "chg_01a05ab4-6cf7-70a7-af86-3754a1325133",
      "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": "4",
        "judged": "4"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 02:02:48.91231+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a05ab4-6cf7-70a7-af86-3754a1325133"
    },
    {
      "id": "chg_01a05ab4-6cf7-77c5-8839-fc56860f39ae",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_undeclared",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "3"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 02:02:48.91231+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 3 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a05ab4-6cf7-77c5-8839-fc56860f39ae"
    },
    {
      "id": "chg_01a0220e-3d81-79bb-93fd-aee9cd4efa7d",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "503",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 02:02:33.668833+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a0220e-3d81-79bb-93fd-aee9cd4efa7d"
    },
    {
      "id": "chg_01a0220e-3d83-74d0-8df0-47ad7e47fca9",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.67",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 02:02:33.668833+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Stability (0.67 → unverified)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a0220e-3d83-74d0-8df0-47ad7e47fca9"
    },
    {
      "id": "chg_01a0220e-3d84-74ca-91c4-fd748f9deb48",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.none_unlisted",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 02:02:33.668833+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the tool list to see what that exposes.)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a0220e-3d84-74ca-91c4-fd748f9deb48"
    },
    {
      "id": "chg_01a0220e-3d86-761a-b909-e54d40162f55",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 02:02:33.668833+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_01a0220e-3d86-761a-b909-e54d40162f55"
    },
    {
      "id": "chg_019fd2a7-492c-71a6-beea-6b0bd7454057",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compile_handoff",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compile_handoff"
      },
      "occurred_on": "2026-08-05",
      "occurred_at": "2026-08-05 16:00:06.422395+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Tool “compile_handoff” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/imagiever-ar-a2a-artifact-handoff/a2a-artifact-handoff#chg-chg_019fd2a7-492c-71a6-beea-6b0bd7454057"
    }
  ],
  "days": [
    {
      "date": "2026-09-19",
      "total": 23,
      "delta": -52,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-09-01",
      "total": 75,
      "delta": 52,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 9
    },
    {
      "date": "2026-08-26",
      "total": 23,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-21",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-07",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-05",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-04",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    }
  ]
}