{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "yifanyifan897645-mcp-checkup",
  "component": "mcp-checkup",
  "generated_at": "2026-09-21T01:40:37.966Z",
  "tracking_since": "2026-07-27",
  "counts": {
    "critical": 0,
    "security": 9,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0a973-ed53-773c-95fc-b935b520c70a",
      "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": "2026-09-16",
      "occurred_at": "2026-09-16 09:02:21.773645+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/yifanyifan897645-mcp-checkup/mcp-checkup#chg-chg_01a0a973-ed53-773c-95fc-b935b520c70a"
    },
    {
      "id": "chg_01a08567-1df9-71e2-b208-a0b2e6cabb03",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 09:02:02.65046+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/yifanyifan897645-mcp-checkup/mcp-checkup#chg-chg_01a08567-1df9-71e2-b208-a0b2e6cabb03"
    },
    {
      "id": "chg_01a05c34-2a97-7e37-8324-9726d25d4720",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 09:01:57.75939+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/yifanyifan897645-mcp-checkup/mcp-checkup#chg-chg_01a05c34-2a97-7e37-8324-9726d25d4720"
    },
    {
      "id": "chg_019fe099-f86c-7891-9ba4-1fc36f8cd4cc",
      "kind": "check.verdict",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.tree_partial",
      "to_code": "cve.none",
      "from_value": "partial",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "seen": "97",
        "assessed": "98",
        "resolved": "97",
        "tree_source": "registry",
        "tree_status": "resolved"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 09:00:14.803997+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Known CVEs (partial → pass)",
      "link": "https://verifymcp.io/servers/yifanyifan897645-mcp-checkup/mcp-checkup#chg-chg_019fe099-f86c-7891-9ba4-1fc36f8cd4cc"
    },
    {
      "id": "chg_019fc450-f7f4-7240-9dfd-1f1530fc1856",
      "kind": "check.reverified",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.inconclusive",
      "to_code": "provenance.none",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 21:11:08.510428+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Provenance (unverified → fail)",
      "link": "https://verifymcp.io/servers/yifanyifan897645-mcp-checkup/mcp-checkup#chg-chg_019fc450-f7f4-7240-9dfd-1f1530fc1856"
    },
    {
      "id": "chg_019fc450-f7f6-75ed-80a0-62ce10d072ce",
      "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": "2026-08-02",
      "occurred_at": "2026-08-02 21:11:08.510428+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Install scripts (unverified → pass)",
      "link": "https://verifymcp.io/servers/yifanyifan897645-mcp-checkup/mcp-checkup#chg-chg_019fc450-f7f6-75ed-80a0-62ce10d072ce"
    },
    {
      "id": "chg_019fc450-f7f6-7ef7-b3a9-3bfa68302318",
      "kind": "check.reverified",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.inconclusive",
      "to_code": "cve.tree_partial",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "seen": "100",
        "assessed": "97",
        "resolved": "96",
        "unresolved": "4",
        "tree_source": "registry",
        "tree_status": "partial"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 21:11:08.510428+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Known CVEs (unverified → partial)",
      "link": "https://verifymcp.io/servers/yifanyifan897645-mcp-checkup/mcp-checkup#chg-chg_019fc450-f7f6-7ef7-b3a9-3bfa68302318"
    },
    {
      "id": "chg_019fc216-2c87-7c29-a796-adcd8f72841e",
      "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 10:47:40.922828+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/yifanyifan897645-mcp-checkup/mcp-checkup#chg-chg_019fc216-2c87-7c29-a796-adcd8f72841e"
    },
    {
      "id": "chg_019fb1d3-3853-7734-a8bf-845ce1eeef58",
      "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 07:00:37.570684+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/yifanyifan897645-mcp-checkup/mcp-checkup#chg-chg_019fb1d3-3853-7734-a8bf-845ce1eeef58"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 84,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 87,
        "to": 90,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 26,
          "to_days": 27
        },
        "partial": false,
        "compared_to": "2026-09-19",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-18",
      "total": 83,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 80,
        "to": 83,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 24,
          "to_days": 25
        },
        "partial": false,
        "compared_to": "2026-09-17",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 80 to 83. That category is still filling its 30-day observation window: 24 days of observed history at the previous scan, 25 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-17",
      "total": 82,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-16",
      "total": 85,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-15",
      "total": 85,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 93,
        "to": 97,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 28,
          "to_days": 29
        },
        "partial": false,
        "compared_to": "2026-09-14",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-13",
      "total": 84,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 87,
        "to": 90,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 26,
          "to_days": 27
        },
        "partial": false,
        "compared_to": "2026-09-12",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-11",
      "total": 83,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 80,
        "to": 83,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 24,
          "to_days": 25
        },
        "partial": false,
        "compared_to": "2026-09-10",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 80 to 83. That category is still filling its 30-day observation window: 24 days of observed history at the previous scan, 25 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-10",
      "total": 82,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}