{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-hanyuguide-hanyuguide",
  "component": "mcp-hanyuguide-user",
  "generated_at": "2026-10-24T18:02:41.679Z",
  "tracking_since": "2026-10-12",
  "counts": {
    "critical": 0,
    "security": 8,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a162a4-124e-74cc-9057-40c0d1bc6415",
      "kind": "check.unverifiable",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.http_error",
      "to_code": "transport.auth_gated",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-22",
      "occurred_at": "2026-10-22 08:04:42.172349+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "Transport (fail → unverified)",
      "link": "https://verifymcp.io/servers/com-hanyuguide-hanyuguide/mcp-hanyuguide-user#chg-chg_01a162a4-124e-74cc-9057-40c0d1bc6415"
    },
    {
      "id": "chg_01a162a4-124f-7114-a459-52b1df54c8eb",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "to_code": "auth.rfc9728",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-22",
      "occurred_at": "2026-10-22 08:04:42.172349+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-hanyuguide-hanyuguide/mcp-hanyuguide-user#chg-chg_01a162a4-124f-7114-a459-52b1df54c8eb"
    },
    {
      "id": "chg_01a162a4-124f-7780-a445-efc2abac90f0",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_absent",
      "to_code": "headers.hsts_present",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-22",
      "occurred_at": "2026-10-22 08:04:42.172349+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/com-hanyuguide-hanyuguide/mcp-hanyuguide-user#chg-chg_01a162a4-124f-7780-a445-efc2abac90f0"
    },
    {
      "id": "chg_01a162a4-124f-7d83-b9c1-e86fc5e67bdc",
      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.auth_gated",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-22",
      "occurred_at": "2026-10-22 08:04:42.172349+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "Tool safety (Tool safety blocked by authentication: the endpoint requires auth we don't have to read its tools.)",
      "link": "https://verifymcp.io/servers/com-hanyuguide-hanyuguide/mcp-hanyuguide-user#chg-chg_01a162a4-124f-7d83-b9c1-e86fc5e67bdc"
    },
    {
      "id": "chg_01a15d7d-d10a-78c4-80eb-f76c46671017",
      "kind": "check.reverified",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.auth_gated",
      "to_code": "transport.http_error",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "521",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-21",
      "occurred_at": "2026-10-21 08:04:49.008062+00",
      "observed_since": "2026-10-20",
      "source": "scan",
      "summary": "Transport (unverified → fail)",
      "link": "https://verifymcp.io/servers/com-hanyuguide-hanyuguide/mcp-hanyuguide-user#chg-chg_01a15d7d-d10a-78c4-80eb-f76c46671017"
    },
    {
      "id": "chg_01a15d7d-d10b-7cb4-97ab-3bb71ed8c9f4",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728",
      "to_code": "auth.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-21",
      "occurred_at": "2026-10-21 08:04:49.008062+00",
      "observed_since": "2026-10-20",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/com-hanyuguide-hanyuguide/mcp-hanyuguide-user#chg-chg_01a15d7d-d10b-7cb4-97ab-3bb71ed8c9f4"
    },
    {
      "id": "chg_01a15d7d-d10c-7722-bfae-5d55e7476d5f",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_present",
      "to_code": "headers.hsts_absent",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-21",
      "occurred_at": "2026-10-21 08:04:49.008062+00",
      "observed_since": "2026-10-20",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/com-hanyuguide-hanyuguide/mcp-hanyuguide-user#chg-chg_01a15d7d-d10c-7722-bfae-5d55e7476d5f"
    },
    {
      "id": "chg_01a15d7d-d10c-7d98-a877-42a94c4632f4",
      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.auth_gated",
      "to_code": "toolsafety.unreachable",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-21",
      "occurred_at": "2026-10-21 08:04:49.008062+00",
      "observed_since": "2026-10-20",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: we couldn't read the endpoint's tools, or could read only part of the list.)",
      "link": "https://verifymcp.io/servers/com-hanyuguide-hanyuguide/mcp-hanyuguide-user#chg-chg_01a15d7d-d10c-7d98-a877-42a94c4632f4"
    }
  ],
  "days": [
    {
      "date": "2026-10-22",
      "total": 39,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-10-21",
      "total": 24,
      "delta": -15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-10-12",
      "total": 39,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}