{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "one-zerno-zerno-lite",
  "component": "zerno",
  "generated_at": "2026-09-21T06:09:02.041Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 10,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a089fc-4e4f-74cf-8504-1288a96d4a59",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "to_code": "auth.challenge_only",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 06:23:28.679406+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/one-zerno-zerno-lite/zerno#chg-chg_01a089fc-4e4f-74cf-8504-1288a96d4a59"
    },
    {
      "id": "chg_01a089fc-4e50-7696-a86d-c61b41cf779a",
      "kind": "check.unverifiable",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.unreachable",
      "to_code": "transport.auth_gated",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 06:23:28.679406+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Transport (fail → unverified)",
      "link": "https://verifymcp.io/servers/one-zerno-zerno-lite/zerno#chg-chg_01a089fc-4e50-7696-a86d-c61b41cf779a"
    },
    {
      "id": "chg_01a089fc-4e50-7bb3-9c2f-47693c8639c2",
      "kind": "check.reverified",
      "family": "tls",
      "subject_kind": "check",
      "subject": "tls",
      "subject_child": "",
      "from_code": "tls.unreachable",
      "to_code": "tls.valid",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 06:23:28.679406+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "TLS certificate (unverified → pass)",
      "link": "https://verifymcp.io/servers/one-zerno-zerno-lite/zerno#chg-chg_01a089fc-4e50-7bb3-9c2f-47693c8639c2"
    },
    {
      "id": "chg_01a089fc-4e51-76d1-81e7-be7827deaedd",
      "kind": "check.reverified",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.inconclusive",
      "to_code": "headers.hsts_present",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 06:23:28.679406+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "HSTS header (unverified → pass)",
      "link": "https://verifymcp.io/servers/one-zerno-zerno-lite/zerno#chg-chg_01a089fc-4e51-76d1-81e7-be7827deaedd"
    },
    {
      "id": "chg_01a089fc-4e51-7cad-99c3-5ec9adc87b34",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 06:23:28.679406+00",
      "observed_since": "2026-09-09",
      "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/one-zerno-zerno-lite/zerno#chg-chg_01a089fc-4e51-7cad-99c3-5ec9adc87b34"
    },
    {
      "id": "chg_01a084d9-fb45-76ec-8781-f4c82a4a3c32",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.challenge_only",
      "to_code": "auth.unreachable",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 06:27:53.221838+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/one-zerno-zerno-lite/zerno#chg-chg_01a084d9-fb45-76ec-8781-f4c82a4a3c32"
    },
    {
      "id": "chg_01a084d9-fb46-7649-83ac-2ad109a43197",
      "kind": "check.reverified",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.auth_gated",
      "to_code": "transport.unreachable",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 06:27:53.221838+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Transport (unverified → fail)",
      "link": "https://verifymcp.io/servers/one-zerno-zerno-lite/zerno#chg-chg_01a084d9-fb46-7649-83ac-2ad109a43197"
    },
    {
      "id": "chg_01a084d9-fb46-7b85-ae6e-91d1261b6527",
      "kind": "check.unverifiable",
      "family": "tls",
      "subject_kind": "check",
      "subject": "tls",
      "subject_child": "",
      "from_code": "tls.valid",
      "to_code": "tls.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 06:27:53.221838+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "TLS certificate (pass → unverified)",
      "link": "https://verifymcp.io/servers/one-zerno-zerno-lite/zerno#chg-chg_01a084d9-fb46-7b85-ae6e-91d1261b6527"
    },
    {
      "id": "chg_01a084d9-fb47-71ad-ab54-67e670d49fcb",
      "kind": "check.unverifiable",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_present",
      "to_code": "headers.inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 06:27:53.221838+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "HSTS header (pass → unverified)",
      "link": "https://verifymcp.io/servers/one-zerno-zerno-lite/zerno#chg-chg_01a084d9-fb47-71ad-ab54-67e670d49fcb"
    },
    {
      "id": "chg_01a084d9-fb47-7714-b4f5-29c72449b694",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 06:27:53.221838+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: we couldn't read the endpoint's tools.)",
      "link": "https://verifymcp.io/servers/one-zerno-zerno-lite/zerno#chg-chg_01a084d9-fb47-7714-b4f5-29c72449b694"
    }
  ],
  "days": [
    {
      "date": "2026-09-10",
      "total": 36,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-09-09",
      "total": 36,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-08-26",
      "total": 36,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-31",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-27",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-26",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}