{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-sygnliq-sygnldata",
  "component": "api",
  "generated_at": "2026-09-26T23:43:25.009Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 18,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0a33a-e921-7b2d-9a71-458b2911db5d",
      "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": "2026-09-15",
      "occurred_at": "2026-09-15 04:02:21.978769+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_01a0a33a-e921-7b2d-9a71-458b2911db5d"
    },
    {
      "id": "chg_01a0a33a-e922-7b8d-85c0-156c5edf8330",
      "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": "2026-09-15",
      "occurred_at": "2026-09-15 04:02:21.978769+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_01a0a33a-e922-7b8d-85c0-156c5edf8330"
    },
    {
      "id": "chg_01a0a33a-e923-720e-9c0e-1ec76d3f0b10",
      "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": "2026-09-15",
      "occurred_at": "2026-09-15 04:02:21.978769+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Stability (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_01a0a33a-e923-720e-9c0e-1ec76d3f0b10"
    },
    {
      "id": "chg_01a0a33a-e923-781b-b934-950b86b98cb0",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_undeclared",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "21"
      },
      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 04:02:21.978769+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 21 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_01a0a33a-e923-781b-b934-950b86b98cb0"
    },
    {
      "id": "chg_01a09e13-e81f-7a8f-80fb-47cd47647710",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 04:01:39.697032+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_01a09e13-e81f-7a8f-80fb-47cd47647710"
    },
    {
      "id": "chg_01a09e13-e820-7a74-9bfe-aea4d77aefc5",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 04:01:39.697032+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_01a09e13-e820-7a74-9bfe-aea4d77aefc5"
    },
    {
      "id": "chg_01a09e13-e821-7382-b770-6d8445852c63",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 04:01:39.697032+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_01a09e13-e821-7382-b770-6d8445852c63"
    },
    {
      "id": "chg_01a09e13-e823-7d6f-8b5d-200da580e32e",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.none_unlisted",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 04:01:39.697032+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the whole tool list to see what that exposes.)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_01a09e13-e823-7d6f-8b5d-200da580e32e"
    },
    {
      "id": "chg_01a09e13-e824-7e4e-8103-374261dc5b15",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 04:01:39.697032+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_01a09e13-e824-7e4e-8103-374261dc5b15"
    },
    {
      "id": "chg_01a08454-8b79-7a7c-a0b6-5b596f9a1491",
      "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 04:02:08.198157+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_01a08454-8b79-7a7c-a0b6-5b596f9a1491"
    },
    {
      "id": "chg_01a03715-4e2a-70e9-af77-74ae545da693",
      "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": "2026-08-25",
      "occurred_at": "2026-08-25 04:02:18.142387+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_01a03715-4e2a-70e9-af77-74ae545da693"
    },
    {
      "id": "chg_019fe9d5-d3ad-7c25-9b75-6eb7a995c00b",
      "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": "2026-08-10",
      "occurred_at": "2026-08-10 04:02:12.464896+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_019fe9d5-d3ad-7c25-9b75-6eb7a995c00b"
    },
    {
      "id": "chg_019fe9d5-d3ae-7f11-96c6-4fa268bb8948",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_undeclared",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "21"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 04:02:12.464896+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 21 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_019fe9d5-d3ae-7f11-96c6-4fa268bb8948"
    },
    {
      "id": "chg_019fe4af-6b43-79ea-91ff-cac83342bd39",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.43",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 04:02:09.302564+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Stability (0.43 → unverified)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_019fe4af-6b43-79ea-91ff-cac83342bd39"
    },
    {
      "id": "chg_019fe4af-6b44-7c81-94b2-96855982b832",
      "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": "2026-08-09",
      "occurred_at": "2026-08-09 04:02:09.302564+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_019fe4af-6b44-7c81-94b2-96855982b832"
    },
    {
      "id": "chg_019fe4af-6b45-729c-92bb-7690d7a7c220",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.none_unlisted",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 04:02:09.302564+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the whole tool list to see what that exposes.)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_019fe4af-6b45-729c-92bb-7690d7a7c220"
    },
    {
      "id": "chg_019fe4af-6b46-7752-96c0-06bdf24fef41",
      "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": "2026-08-09",
      "occurred_at": "2026-08-09 04:02:09.302564+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_019fe4af-6b46-7752-96c0-06bdf24fef41"
    },
    {
      "id": "chg_019faeee-58d4-7bf3-bdf5-2cfe4088398a",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 17:31:23.707817+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-sygnliq-sygnldata/api#chg-chg_019faeee-58d4-7bf3-bdf5-2cfe4088398a"
    }
  ],
  "days": [
    {
      "date": "2026-09-25",
      "total": 74,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-15",
      "total": 74,
      "delta": 51,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-09-14",
      "total": 23,
      "delta": -51,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-09-09",
      "total": 74,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-08",
      "total": 74,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-26",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 0,
      "delta": null,
      "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
    }
  ]
}