{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "arthefacte-fractal-arena",
  "component": "fractal-arena-mcp",
  "generated_at": "2026-09-20T21:08:30.664Z",
  "tracking_since": "2026-09-13",
  "counts": {
    "critical": 0,
    "security": 16,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0c030-be75-7c4a-9a0e-e9deb05f4508",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.20",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 19:00:14.05308+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Stability (0.20 → unverified)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0c030-be75-7c4a-9a0e-e9deb05f4508"
    },
    {
      "id": "chg_01a0c030-be7a-7b7b-8c2a-05f8bd43dedd",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.sandbox_pending",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 19:00:14.05308+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0c030-be7a-7b7b-8c2a-05f8bd43dedd"
    },
    {
      "id": "chg_01a0bbaf-7fdb-77df-b329-69b793e4e708",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.sandbox_pending",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 22:00:36.041299+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0bbaf-7fdb-77df-b329-69b793e4e708"
    },
    {
      "id": "chg_01a0bbaf-7fdc-76cd-a916-d9233cccb013",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.17",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 22:00:36.041299+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Stability (0.17 → unverified)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0bbaf-7fdc-76cd-a916-d9233cccb013"
    },
    {
      "id": "chg_01a0b7a8-0718-71eb-b603-606b1e9db8cc",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 03:13:57.478926+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0b7a8-0718-71eb-b603-606b1e9db8cc"
    },
    {
      "id": "chg_01a0b627-ddb4-7bf4-afa2-77ac48a018eb",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_not_cached"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 20:14:20.453459+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0b627-ddb4-7bf4-afa2-77ac48a018eb"
    },
    {
      "id": "chg_01a0b0f4-aed6-7ef5-b353-d8feb1c5822a",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.sandbox_pending",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 20:00:20.213244+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0b0f4-aed6-7ef5-b353-d8feb1c5822a"
    },
    {
      "id": "chg_01a0b0f4-aed8-76e0-9207-2b6d333e3f04",
      "kind": "check.reverified",
      "family": "install-scripts",
      "subject_kind": "check",
      "subject": "install-scripts",
      "subject_child": "",
      "from_code": "installscript.inconclusive",
      "to_code": "installscript.none",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "tier": "none"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 20:00:20.213244+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Install scripts (unverified → pass)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0b0f4-aed8-76e0-9207-2b6d333e3f04"
    },
    {
      "id": "chg_01a0b0f4-aedf-7184-ba3a-3d3704be2c77",
      "kind": "check.reverified",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.inconclusive",
      "to_code": "cve.none",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "seen": "95",
        "assessed": "96",
        "resolved": "95",
        "tree_source": "registry",
        "tree_status": "resolved"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 20:00:20.213244+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Known CVEs (unverified → pass)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0b0f4-aedf-7184-ba3a-3d3704be2c77"
    },
    {
      "id": "chg_01a0b0f4-aee2-71a6-9692-512c7d6bb2af",
      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 20:00:20.213244+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0b0f4-aee2-71a6-9692-512c7d6bb2af"
    },
    {
      "id": "chg_01a0b0f4-aee2-7ba7-ba7a-b0bc6f45f174",
      "kind": "check.reason",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.version_unpublished",
      "to_code": "provenance.none",
      "from_value": "fail",
      "to_value": "fail",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 20:00:20.213244+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Provenance (Provenance check failed: no build-provenance attestation is published.)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0b0f4-aee2-7ba7-ba7a-b0bc6f45f174"
    },
    {
      "id": "chg_01a0b0f4-aee3-77eb-a29b-d17476946adc",
      "kind": "check.reason",
      "family": "provenance-repo",
      "subject_kind": "check",
      "subject": "provenance-repo",
      "subject_child": "",
      "from_code": "provenance.repo_http_error",
      "to_code": "provenance.repo_none",
      "from_value": "fail",
      "to_value": "fail",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 20:00:20.213244+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Source repository (Repository check failed: no source repository is declared.)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0b0f4-aee3-77eb-a29b-d17476946adc"
    },
    {
      "id": "chg_01a0a835-1107-7edc-9a29-73f8fa74aed4",
      "kind": "check.unverifiable",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.none",
      "to_code": "cve.inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "root_version_missing"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 03:14:05.117703+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Known CVEs (pass → unverified)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0a835-1107-7edc-9a29-73f8fa74aed4"
    },
    {
      "id": "chg_01a0a835-1109-7a2a-9305-2fd66ff0c451",
      "kind": "check.unverifiable",
      "family": "install-scripts",
      "subject_kind": "check",
      "subject": "install-scripts",
      "subject_child": "",
      "from_code": "installscript.none",
      "to_code": "installscript.inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "metadata_unavailable"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 03:14:05.117703+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Install scripts (pass → unverified)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0a835-1109-7a2a-9305-2fd66ff0c451"
    },
    {
      "id": "chg_01a0a835-110b-70e5-ba40-7142f65db3fb",
      "kind": "check.reason",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.none",
      "to_code": "provenance.version_unpublished",
      "from_value": "fail",
      "to_value": "fail",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 03:14:05.117703+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Provenance (Provenance check failed: the declared version isn't published, so its provenance can't be verified.)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a0a835-110b-70e5-ba40-7142f65db3fb"
    },
    {
      "id": "chg_01a09de8-0e03-79ae-ba47-b6ed061e7db3",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 03:13:45.903402+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/arthefacte-fractal-arena/fractal-arena-mcp#chg-chg_01a09de8-0e03-79ae-ba47-b6ed061e7db3"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 64,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-09-19",
      "total": 63,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-09-18",
      "total": 48,
      "delta": -15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-09-17",
      "total": 63,
      "delta": 14,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 16
    },
    {
      "date": "2026-09-16",
      "total": 49,
      "delta": -15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-09-14",
      "total": 64,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-13",
      "total": 49,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}