{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "microsoft-playwright-mcp",
  "component": "playwright-mcp",
  "generated_at": "2026-09-20T20:22:21.712Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 17,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0bc65-3c69-7349-a2d0-c64c0772cf79",
      "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": "2026-09-20",
      "occurred_at": "2026-09-20 01:19:06.261431+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a0bc65-3c69-7349-a2d0-c64c0772cf79"
    },
    {
      "id": "chg_01a0b71d-a84e-79eb-b78e-16d122fa69ef",
      "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": "2026-09-19",
      "occurred_at": "2026-09-19 00:42:49.212071+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a0b71d-a84e-79eb-b78e-16d122fa69ef"
    },
    {
      "id": "chg_01a0b71d-a84f-7b96-82c5-97b0534973f9",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 00:42:49.212071+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a0b71d-a84f-7b96-82c5-97b0534973f9"
    },
    {
      "id": "chg_01a0a1ef-8aea-7f3e-82c3-b979ae74e609",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.80",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 22:00:21.714156+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Stability (0.80 → unverified)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a0a1ef-8aea-7f3e-82c3-b979ae74e609"
    },
    {
      "id": "chg_01a0a1ef-8b06-7519-a9b5-1f60b20b5aef",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 22:00:21.714156+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a0a1ef-8b06-7519-a9b5-1f60b20b5aef"
    },
    {
      "id": "chg_01a0a1ef-8b09-7b59-8981-5dc0191d2e1b",
      "kind": "check.verdict",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.none",
      "to_code": "provenance.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "repo": "microsoft/playwright-mcp"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 22:00:21.714156+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Provenance (fail → pass)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a0a1ef-8b09-7b59-8981-5dc0191d2e1b"
    },
    {
      "id": "chg_01a0a1ef-8b1c-75d8-a395-71158b929c64",
      "kind": "provenance.repo_changed",
      "family": "build-provenance",
      "subject_kind": "package",
      "subject": "repo",
      "subject_child": "",
      "from_code": "provenance.none",
      "to_code": "provenance.verified",
      "from_value": null,
      "to_value": "microsoft/playwright-mcp",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "microsoft/playwright-mcp",
        "from": ""
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 22:00:21.714156+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "The attested source repository moved (microsoft/playwright-mcp)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a0a1ef-8b1c-75d8-a395-71158b929c64"
    },
    {
      "id": "chg_01a09333-88e9-7f0e-bea1-7624308d5fdd",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 01:20:23.209401+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a09333-88e9-7f0e-bea1-7624308d5fdd"
    },
    {
      "id": "chg_01a091d7-ba41-7e1a-90b4-123135aa02cf",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.93",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 19:00:29.00918+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Stability (0.93 → unverified)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a091d7-ba41-7e1a-90b4-123135aa02cf"
    },
    {
      "id": "chg_01a091d7-ba43-72de-85ff-cbc2a9cbc2f4",
      "kind": "check.verdict",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.verified",
      "to_code": "provenance.none",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 19:00:29.00918+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Provenance (pass → fail)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a091d7-ba43-72de-85ff-cbc2a9cbc2f4"
    },
    {
      "id": "chg_01a091d7-ba44-7463-a9e6-afd701810d8f",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 19:00:29.00918+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a091d7-ba44-7463-a9e6-afd701810d8f"
    },
    {
      "id": "chg_01a091d7-ba44-7bec-93f7-751c2873bdac",
      "kind": "provenance.repo_changed",
      "family": "build-provenance",
      "subject_kind": "package",
      "subject": "repo",
      "subject_child": "",
      "from_code": "provenance.verified",
      "to_code": "provenance.none",
      "from_value": "microsoft/playwright-mcp",
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "",
        "from": "microsoft/playwright-mcp"
      },
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 19:00:29.00918+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "The attested source repository moved (microsoft/playwright-mcp)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a091d7-ba44-7bec-93f7-751c2873bdac"
    },
    {
      "id": "chg_01a06f31-989b-7365-a12f-f2005f831862",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 01:31:56.365994+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a06f31-989b-7365-a12f-f2005f831862"
    },
    {
      "id": "chg_01a05fb0-fb9c-7e31-bb62-c9c83dca5d9b",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 01:17:09.352307+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_01a05fb0-fb9c-7e31-bb62-c9c83dca5d9b"
    },
    {
      "id": "chg_019fd4db-0340-7db2-822a-2f8908994281",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.30",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 02:15:50.765816+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Stability (0.30 → unverified)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_019fd4db-0340-7db2-822a-2f8908994281"
    },
    {
      "id": "chg_019fc006-6625-7521-9215-362170a56e17",
      "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": "2026-08-02",
      "occurred_at": "2026-08-02 01:11:12.651161+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_019fc006-6625-7521-9215-362170a56e17"
    },
    {
      "id": "chg_019fb1f2-ec2c-72a6-b133-4ad626ecd78e",
      "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": {},
      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 07:35:15.233491+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/microsoft-playwright-mcp/playwright-mcp#chg-chg_019fb1f2-ec2c-72a6-b133-4ad626ecd78e"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 92,
      "delta": 11,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-19",
      "total": 81,
      "delta": -14,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-09-17",
      "total": 95,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 90,
        "to": 93,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 27,
          "to_days": 28
        },
        "partial": false,
        "compared_to": "2026-09-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 90 to 93. That category is still filling its 30-day observation window: 27 days of observed history at the previous scan, 28 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-15",
      "total": 94,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 83,
        "to": 87,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 25,
          "to_days": 26
        },
        "partial": false,
        "compared_to": "2026-09-14",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 83 to 87. That category is still filling its 30-day observation window: 25 days of observed history at the previous scan, 26 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-14",
      "total": 93,
      "delta": 10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-09-13",
      "total": 83,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-12",
      "total": 85,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-11",
      "total": 85,
      "delta": -10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    }
  ]
}