{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "haiyunsky-hpsilab-quant-finance-mcp",
  "component": "hpsilab",
  "generated_at": "2026-09-20T18:28:32.768Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 12,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a07ae8-efcc-7230-9634-2e6c87194060",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "analyze_stock",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "analyze_stock"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 08:08:00.888366+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “analyze_stock” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/haiyunsky-hpsilab-quant-finance-mcp/hpsilab#chg-chg_01a07ae8-efcc-7230-9634-2e6c87194060"
    },
    {
      "id": "chg_01a0709c-37ab-7b12-bfab-73344ceea2e6",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_no_destructive",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 08:08:00.503545+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/haiyunsky-hpsilab-quant-finance-mcp/hpsilab#chg-chg_01a0709c-37ab-7b12-bfab-73344ceea2e6"
    },
    {
      "id": "chg_01a0709c-37b4-7543-b23d-0adb8aae927e",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 08:08:00.503545+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/haiyunsky-hpsilab-quant-finance-mcp/hpsilab#chg-chg_01a0709c-37b4-7543-b23d-0adb8aae927e"
    },
    {
      "id": "chg_01a0709c-37b7-74d8-992d-efe3c4984c0d",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 08:08:00.503545+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/haiyunsky-hpsilab-quant-finance-mcp/hpsilab#chg-chg_01a0709c-37b7-74d8-992d-efe3c4984c0d"
    },
    {
      "id": "chg_01a0709c-37c1-70c3-bebf-121eb4f2305d",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 08:08:00.503545+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Stability (unverified → pass)",
      "link": "https://verifymcp.io/servers/haiyunsky-hpsilab-quant-finance-mcp/hpsilab#chg-chg_01a0709c-37c1-70c3-bebf-121eb4f2305d"
    },
    {
      "id": "chg_01a06b76-0556-72d7-953a-ba4625d0ad22",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 08:08:11.645389+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/haiyunsky-hpsilab-quant-finance-mcp/hpsilab#chg-chg_01a06b76-0556-72d7-953a-ba4625d0ad22"
    },
    {
      "id": "chg_01a06b76-0557-7799-a5cf-49943ffd411b",
      "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": "530",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 08:08:11.645389+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/haiyunsky-hpsilab-quant-finance-mcp/hpsilab#chg-chg_01a06b76-0557-7799-a5cf-49943ffd411b"
    },
    {
      "id": "chg_01a06b76-0557-7e49-ab2f-4a5aea9e6b82",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 08:08:11.645389+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/haiyunsky-hpsilab-quant-finance-mcp/hpsilab#chg-chg_01a06b76-0557-7e49-ab2f-4a5aea9e6b82"
    },
    {
      "id": "chg_01a06b76-0558-751d-be51-39ee80cd01c4",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 08:08:11.645389+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/haiyunsky-hpsilab-quant-finance-mcp/hpsilab#chg-chg_01a06b76-0558-751d-be51-39ee80cd01c4"
    },
    {
      "id": "chg_01a06b76-0559-7eeb-9d02-d9b86b4d7af4",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 08:08:11.645389+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/haiyunsky-hpsilab-quant-finance-mcp/hpsilab#chg-chg_01a06b76-0559-7eeb-9d02-d9b86b4d7af4"
    },
    {
      "id": "chg_01a04c8f-f870-7502-a09b-5dfdf89af797",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.stable",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 08:08:18.741605+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/haiyunsky-hpsilab-quant-finance-mcp/hpsilab#chg-chg_01a04c8f-f870-7502-a09b-5dfdf89af797"
    },
    {
      "id": "chg_019feab6-18b3-7490-9340-c0178ba0b415",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "register_account",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "register_account"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 08:07:10.149282+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Tool “register_account” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/haiyunsky-hpsilab-quant-finance-mcp/hpsilab#chg-chg_019feab6-18b3-7490-9340-c0178ba0b415"
    }
  ],
  "days": [
    {
      "date": "2026-09-07",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-09-05",
      "total": 82,
      "delta": 59,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-09-04",
      "total": 23,
      "delta": -59,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-08-29",
      "total": 82,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-26",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-24",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 82,
        "to": 86,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-08-23",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 82 to 86."
      },
      "event_count": 0
    },
    {
      "date": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-10",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    }
  ]
}