{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "dev-fly-grok-backtest-api-crypto-quant",
  "component": "grok-backtest-api",
  "generated_at": "2026-11-05T11:36:10.774Z",
  "tracking_since": "2026-10-26",
  "counts": {
    "critical": 0,
    "security": 6,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a17fd1-ef2e-7359-99b3-970954f755b6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "backtest",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "backtest"
      },
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 00:03:47.051332+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “backtest” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-fly-grok-backtest-api-crypto-quant/grok-backtest-api#chg-chg_01a17fd1-ef2e-7359-99b3-970954f755b6"
    },
    {
      "id": "chg_01a17fd1-ef2f-71cb-9a67-a23c79dc0e47",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "market_signals",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "market_signals"
      },
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 00:03:47.051332+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “market_signals” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-fly-grok-backtest-api-crypto-quant/grok-backtest-api#chg-chg_01a17fd1-ef2f-71cb-9a67-a23c79dc0e47"
    },
    {
      "id": "chg_01a17fd1-ef2f-7707-b472-5bc9859e6822",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "optimize_strategy",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "optimize_strategy"
      },
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 00:03:47.051332+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “optimize_strategy” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-fly-grok-backtest-api-crypto-quant/grok-backtest-api#chg-chg_01a17fd1-ef2f-7707-b472-5bc9859e6822"
    },
    {
      "id": "chg_01a17fd1-ef30-7a2c-8ae4-f4f318a5946d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "token_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "token_check"
      },
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 00:03:47.051332+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “token_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-fly-grok-backtest-api-crypto-quant/grok-backtest-api#chg-chg_01a17fd1-ef30-7a2c-8ae4-f4f318a5946d"
    },
    {
      "id": "chg_01a17fd1-ef34-7d9a-93e7-bd5031d51a0e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "universe_snapshot",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "universe_snapshot"
      },
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 00:03:47.051332+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “universe_snapshot” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-fly-grok-backtest-api-crypto-quant/grok-backtest-api#chg-chg_01a17fd1-ef34-7d9a-93e7-bd5031d51a0e"
    },
    {
      "id": "chg_01a17fd1-ef36-7380-9266-1f00ef3671b8",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 00:03:47.051332+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-fly-grok-backtest-api-crypto-quant/grok-backtest-api#chg-chg_01a17fd1-ef36-7380-9266-1f00ef3671b8"
    }
  ],
  "days": [
    {
      "date": "2026-11-04",
      "total": 72,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 27,
        "to": 30,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 8,
          "to_days": 9
        },
        "partial": false,
        "compared_to": "2026-11-03",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 27 to 30. That category is still filling its 30-day observation window: 8 days of observed history at the previous scan, 9 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-11-02",
      "total": 71,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 20,
        "to": 23,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 6,
          "to_days": 7
        },
        "partial": false,
        "compared_to": "2026-11-01",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-31",
      "total": 70,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 13,
        "to": 17,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 4,
          "to_days": 5
        },
        "partial": false,
        "compared_to": "2026-10-30",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 13 to 17. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 5 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-29",
      "total": 69,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 7,
        "to": 10,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 2,
          "to_days": 3
        },
        "partial": false,
        "compared_to": "2026-10-28",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-28",
      "total": 68,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 10
    },
    {
      "date": "2026-10-27",
      "total": 68,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-26",
      "total": 67,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}