{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "io-usefulapi-lago",
  "component": "lago",
  "generated_at": "2026-09-21T03:29:46.046Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 30,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a08f1e-df71-7d3d-bd61-f1339cbddb69",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 06:19:20.043457+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_01a08f1e-df71-7d3d-bd61-f1339cbddb69"
    },
    {
      "id": "chg_01a06b0f-8daa-7f23-8d19-2faf3fa07733",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 06:16:16.418069+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_01a06b0f-8daa-7f23-8d19-2faf3fa07733"
    },
    {
      "id": "chg_01a06b0f-8dad-77c3-bdce-4255d405e79e",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.auth_gated",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 06:16:16.418069+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_01a06b0f-8dad-77c3-bdce-4255d405e79e"
    },
    {
      "id": "chg_01a06b0f-8dae-7aa4-9453-c2ee1a05795c",
      "kind": "check.appeared",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": null,
      "to_code": "toolsafety.manipulation_clean",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "units": "24",
        "judged": "24"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 06:16:16.418069+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_01a06b0f-8dae-7aa4-9453-c2ee1a05795c"
    },
    {
      "id": "chg_01a065e9-30ec-780f-b2df-d487f61d9284",
      "kind": "check.reverified",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.auth_gated",
      "to_code": "transport.verified",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 06:16:16.21911+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Transport (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_01a065e9-30ec-780f-b2df-d487f61d9284"
    },
    {
      "id": "chg_01a065e9-30ee-70c5-be12-5aaabd83fcfd",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 06:16:16.21911+00",
      "observed_since": "2026-09-02",
      "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/io-usefulapi-lago/lago#chg-chg_01a065e9-30ee-70c5-be12-5aaabd83fcfd"
    },
    {
      "id": "chg_01a065e9-30f0-7390-a1d4-c1be0fd6f2f4",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "not_mcp",
      "to_value": "auth_gated",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "auth_gated",
        "from": "not_mcp"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 06:16:16.21911+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Endpoint reachability (not serving MCP → behind authorisation)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_01a065e9-30f0-7390-a1d4-c1be0fd6f2f4"
    },
    {
      "id": "chg_01a01dce-d05e-7ed2-aabe-cea74354c2f8",
      "kind": "check.unverifiable",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.auth_gated",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 06:14:48.047022+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Transport (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_01a01dce-d05e-7ed2-aabe-cea74354c2f8"
    },
    {
      "id": "chg_01a018a6-fa1d-7a4c-8da8-181957c09f05",
      "kind": "check.reverified",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.auth_gated",
      "to_code": "transport.verified",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 06:13:11.204319+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Transport (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_01a018a6-fa1d-7a4c-8da8-181957c09f05"
    },
    {
      "id": "chg_01a00934-84a6-71c5-bad4-e2d0913c2ca1",
      "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": "2026-08-16",
      "occurred_at": "2026-08-16 06:13:51.813669+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Transport (fail → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_01a00934-84a6-71c5-bad4-e2d0913c2ca1"
    },
    {
      "id": "chg_019ff9bf-d7ac-7dc7-8ac6-bfcfbd8d7acd",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.53",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 06:12:06.992463+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Stability (0.53 → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019ff9bf-d7ac-7dc7-8ac6-bfcfbd8d7acd"
    },
    {
      "id": "chg_019ff9bf-d7ad-76ef-965d-7dc8913e4fd9",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_unlisted",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 06:12:06.992463+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019ff9bf-d7ad-76ef-965d-7dc8913e4fd9"
    },
    {
      "id": "chg_019ff9bf-d7ad-7db7-a96d-d2ec83402f6e",
      "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": "429",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 06:12:06.992463+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019ff9bf-d7ad-7db7-a96d-d2ec83402f6e"
    },
    {
      "id": "chg_019ff9bf-d7ae-7f35-8a36-ba5c6bae6c0c",
      "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": "2026-08-13",
      "occurred_at": "2026-08-13 06:12:06.992463+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019ff9bf-d7ae-7f35-8a36-ba5c6bae6c0c"
    },
    {
      "id": "chg_019ff49a-c360-763c-bb81-543f44fca24b",
      "kind": "check.reverified",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.auth_gated",
      "to_code": "transport.verified",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 06:13:31.088939+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Transport (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019ff49a-c360-763c-bb81-543f44fca24b"
    },
    {
      "id": "chg_019ff49a-c361-7726-b5bc-e87c02d8ae1d",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 06:13:31.088939+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019ff49a-c361-7726-b5bc-e87c02d8ae1d"
    },
    {
      "id": "chg_019fe525-c2b2-788a-ad1f-216550d05739",
      "kind": "check.unverifiable",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.auth_gated",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 06:11:24.909041+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Transport (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fe525-c2b2-788a-ad1f-216550d05739"
    },
    {
      "id": "chg_019fe525-c2b4-72be-9858-902b490ab20e",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "auth_gated",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "auth_gated"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 06:11:24.909041+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Endpoint reachability (behind authorisation → not serving MCP)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fe525-c2b4-72be-9858-902b490ab20e"
    },
    {
      "id": "chg_019fe000-429c-7bd2-8d97-f61ddf8f8896",
      "kind": "check.reverified",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.auth_gated",
      "to_code": "transport.verified",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 06:12:21.18924+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Transport (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fe000-429c-7bd2-8d97-f61ddf8f8896"
    },
    {
      "id": "chg_019fe000-42a3-7b3a-b121-bdd02a302ce5",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "not_mcp",
      "to_value": "auth_gated",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "auth_gated",
        "from": "not_mcp"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 06:12:21.18924+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Endpoint reachability (not serving MCP → behind authorisation)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fe000-42a3-7b3a-b121-bdd02a302ce5"
    },
    {
      "id": "chg_019fdad8-af12-744e-9912-b28309e51c6b",
      "kind": "check.unverifiable",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.auth_gated",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 06:11:01.468429+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Transport (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fdad8-af12-744e-9912-b28309e51c6b"
    },
    {
      "id": "chg_019fc643-a70d-7c5e-ba8e-ff650f09c37e",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_unlisted",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 06:15:50.269817+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fc643-a70d-7c5e-ba8e-ff650f09c37e"
    },
    {
      "id": "chg_019fc643-a70f-70cb-a82d-b80a02b6428c",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.20",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 06:15:50.269817+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Stability (0.20 → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fc643-a70f-70cb-a82d-b80a02b6428c"
    },
    {
      "id": "chg_019fc643-a710-76ae-ba06-c4a2cb1371df",
      "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": "2026-08-03",
      "occurred_at": "2026-08-03 06:15:50.269817+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fc643-a710-76ae-ba06-c4a2cb1371df"
    },
    {
      "id": "chg_019fc4d2-58b3-75f6-8c25-25867a947a3e",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 23:32:27.397443+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fc4d2-58b3-75f6-8c25-25867a947a3e"
    },
    {
      "id": "chg_019fc4d2-58b6-781f-93e9-ba46489f028e",
      "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": "2026-08-02",
      "occurred_at": "2026-08-02 23:32:27.397443+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fc4d2-58b6-781f-93e9-ba46489f028e"
    },
    {
      "id": "chg_019fbbed-ed7f-74d2-9d2e-c01eda72d1b5",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.13",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 06:06:00.050057+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Stability (0.13 → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fbbed-ed7f-74d2-9d2e-c01eda72d1b5"
    },
    {
      "id": "chg_019fbbed-ed7f-7c47-95ea-72eb90d41a66",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_unlisted",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 06:06:00.050057+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fbbed-ed7f-7c47-95ea-72eb90d41a66"
    },
    {
      "id": "chg_019fbbed-ed80-7448-a91e-342241a435bd",
      "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": "429",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 06:06:00.050057+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fbbed-ed80-7448-a91e-342241a435bd"
    },
    {
      "id": "chg_019fbbed-ed81-73cb-8522-fe86d27a16c2",
      "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": "2026-08-01",
      "occurred_at": "2026-08-01 06:06:00.050057+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/io-usefulapi-lago/lago#chg-chg_019fbbed-ed81-73cb-8522-fe86d27a16c2"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 50,
        "to": 53,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 15,
          "to_days": 16
        },
        "partial": false,
        "compared_to": "2026-09-19",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-18",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 43,
        "to": 47,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 13,
          "to_days": 14
        },
        "partial": false,
        "compared_to": "2026-09-17",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-16",
      "total": 78,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 37,
        "to": 40,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 11,
          "to_days": 12
        },
        "partial": false,
        "compared_to": "2026-09-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 37 to 40. That category is still filling its 30-day observation window: 11 days of observed history at the previous scan, 12 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-14",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 30,
        "to": 33,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 9,
          "to_days": 10
        },
        "partial": false,
        "compared_to": "2026-09-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 30 to 33. That category is still filling its 30-day observation window: 9 days of observed history at the previous scan, 10 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-12",
      "total": 76,
      "delta": -10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-11",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-10",
      "total": 86,
      "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": "2026-09-09",
        "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": "2026-09-08",
      "total": 85,
      "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": "2026-09-07",
        "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
    }
  ]
}