{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-airblockfz-coin-signal",
  "component": "coin-signal",
  "generated_at": "2026-09-21T07:04:13.016Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 9,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a08949-ca25-7e58-baba-bd4b5686e373",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "evaluate_symbol",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "evaluate_symbol"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 03:08:29.478978+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “evaluate_symbol” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-airblockfz-coin-signal/coin-signal#chg-chg_01a08949-ca25-7e58-baba-bd4b5686e373"
    },
    {
      "id": "chg_01a08949-ca26-7a6d-bf95-79971115041b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "scan_bottoms",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "scan_bottoms"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 03:08:29.478978+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “scan_bottoms” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-airblockfz-coin-signal/coin-signal#chg-chg_01a08949-ca26-7a6d-bf95-79971115041b"
    },
    {
      "id": "chg_01a08949-ca27-70b5-b1d3-635236f07c43",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "scan_tops",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "scan_tops"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 03:08:29.478978+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “scan_tops” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-airblockfz-coin-signal/coin-signal#chg-chg_01a08949-ca27-70b5-b1d3-635236f07c43"
    },
    {
      "id": "chg_01a08949-ca27-766e-a739-7536ba0342bb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "subscribe",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "subscribe"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 03:08:29.478978+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “subscribe” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-airblockfz-coin-signal/coin-signal#chg-chg_01a08949-ca27-766e-a739-7536ba0342bb"
    },
    {
      "id": "chg_01a08949-ca27-7c13-b15e-c83ba49a45c1",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 03:08:29.478978+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-airblockfz-coin-signal/coin-signal#chg-chg_01a08949-ca27-7c13-b15e-c83ba49a45c1"
    },
    {
      "id": "chg_01a07efd-87d5-7f02-8f80-e1b87fc7bf00",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "evaluate_symbol",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "evaluate_symbol"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 03:08:59.620741+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “evaluate_symbol” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-airblockfz-coin-signal/coin-signal#chg-chg_01a07efd-87d5-7f02-8f80-e1b87fc7bf00"
    },
    {
      "id": "chg_01a07efd-87d6-7cb5-8205-42f1f7fc7c7c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "pitch",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "pitch"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 03:08:59.620741+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “pitch” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-airblockfz-coin-signal/coin-signal#chg-chg_01a07efd-87d6-7cb5-8205-42f1f7fc7c7c"
    },
    {
      "id": "chg_01a07efd-87d7-733d-a70d-1cffbb5a6284",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 03:08:59.620741+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-airblockfz-coin-signal/coin-signal#chg-chg_01a07efd-87d7-733d-a70d-1cffbb5a6284"
    },
    {
      "id": "chg_01a036e0-41d7-7306-ad0d-58009fe033b5",
      "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 03:04:21.619657+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-airblockfz-coin-signal/coin-signal#chg-chg_01a036e0-41d7-7306-ad0d-58009fe033b5"
    }
  ],
  "days": [
    {
      "date": "2026-09-10",
      "total": 69,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-09-08",
      "total": 69,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-08-26",
      "total": 70,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 68,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-24",
      "total": 68,
      "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": "2026-08-23",
        "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": "2026-08-11",
      "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": "2026-07-30",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}