{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "algovaultfi-crypto-quant-signal-mcp",
  "component": "api",
  "generated_at": "2026-09-21T03:45:50.788Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 16,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a04be8-2627-7067-a073-fd76a652ca6c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_market_regime",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_market_regime"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 05:05:00.256175+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “get_market_regime” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a04be8-2627-7067-a073-fd76a652ca6c"
    },
    {
      "id": "chg_01a04be8-2629-793d-b88b-36cae43a7182",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_trade_signal",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_trade_signal"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 05:05:00.256175+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “get_trade_signal” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a04be8-2629-793d-b88b-36cae43a7182"
    },
    {
      "id": "chg_01a04be8-2628-7ec7-8715-8422c28ec697",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_trade_call",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_trade_call"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 05:05:00.256175+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “get_trade_call” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a04be8-2628-7ec7-8715-8422c28ec697"
    },
    {
      "id": "chg_01a0374f-40c1-712a-925f-362b9f0589f0",
      "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 05:05:35.806022+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a0374f-40c1-712a-925f-362b9f0589f0"
    },
    {
      "id": "chg_01a03228-f998-704b-9c31-86c736c6289d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_market_regime",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_market_regime"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 05:05:41.122226+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “get_market_regime” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a03228-f998-704b-9c31-86c736c6289d"
    },
    {
      "id": "chg_01a03228-f999-7be2-846d-bb1451399354",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_trade_call",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_trade_call"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 05:05:41.122226+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “get_trade_call” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a03228-f999-7be2-846d-bb1451399354"
    },
    {
      "id": "chg_01a03228-f99a-725d-a4fd-c1877747d78c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_trade_signal",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_trade_signal"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 05:05:41.122226+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “get_trade_signal” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a03228-f99a-725d-a4fd-c1877747d78c"
    },
    {
      "id": "chg_01a027db-edea-7eeb-92f7-f00dbe565b9d",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 05:05:19.753652+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a027db-edea-7eeb-92f7-f00dbe565b9d"
    },
    {
      "id": "chg_01a027db-edeb-7e93-bbc4-296e86483437",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 05:05:19.753652+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a027db-edeb-7e93-bbc4-296e86483437"
    },
    {
      "id": "chg_01a027db-edef-7085-8d95-85283a3e4225",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_market_regime",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_market_regime"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 05:05:19.753652+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “get_market_regime” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a027db-edef-7085-8d95-85283a3e4225"
    },
    {
      "id": "chg_01a027db-edef-7653-8f99-77aaa7adfddf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_trade_call",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_trade_call"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 05:05:19.753652+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “get_trade_call” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a027db-edef-7653-8f99-77aaa7adfddf"
    },
    {
      "id": "chg_01a027db-edef-7ced-af72-f4bca78028e1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_trade_signal",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_trade_signal"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 05:05:19.753652+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “get_trade_signal” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a027db-edef-7ced-af72-f4bca78028e1"
    },
    {
      "id": "chg_01a022b5-7857-742c-9281-80face410421",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 05:05:13.18443+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a022b5-7857-742c-9281-80face410421"
    },
    {
      "id": "chg_01a022b5-7856-7a95-aa21-ea992a946f8b",
      "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": "502",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 05:05:13.18443+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a022b5-7856-7a95-aa21-ea992a946f8b"
    },
    {
      "id": "chg_01a022b5-7854-7cdd-a762-82412ead101f",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.83",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 05:05:13.18443+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Stability (0.83 → unverified)",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a022b5-7854-7cdd-a762-82412ead101f"
    },
    {
      "id": "chg_01a022b5-7859-7587-8e65-d31a39128300",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 05:05:13.18443+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/algovaultfi-crypto-quant-signal-mcp/api#chg-chg_01a022b5-7859-7587-8e65-d31a39128300"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-10",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-09-04",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-08-29",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-08-27",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-08-26",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-24",
      "total": 85,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    }
  ]
}