{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "io-blockchainanalysis-mcp",
  "component": "api-mcp",
  "generated_at": "2026-09-21T04:28:17.043Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 12,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0472c-d52a-72ab-9c2f-7666cdfac18b",
      "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": "2026-08-28",
      "occurred_at": "2026-08-28 07:01:55.480273+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/io-blockchainanalysis-mcp/api-mcp#chg-chg_01a0472c-d52a-72ab-9c2f-7666cdfac18b"
    },
    {
      "id": "chg_01a037b9-c356-7175-9bd4-bf5e9b4fa278",
      "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 07:01:56.033976+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/io-blockchainanalysis-mcp/api-mcp#chg-chg_01a037b9-c356-7175-9bd4-bf5e9b4fa278"
    },
    {
      "id": "chg_01a02320-47d7-7939-ac15-f91ec4b98812",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "kyt_risk",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "kyt_risk"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 07:01:53.114091+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “kyt_risk” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-blockchainanalysis-mcp/api-mcp#chg-chg_01a02320-47d7-7939-ac15-f91ec4b98812"
    },
    {
      "id": "chg_01a02320-47d9-74c7-99ef-181a4aaf8385",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "kyt_tx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "kyt_tx"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 07:01:53.114091+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “kyt_tx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-blockchainanalysis-mcp/api-mcp#chg-chg_01a02320-47d9-74c7-99ef-181a4aaf8385"
    },
    {
      "id": "chg_01a02320-47da-74a6-98ea-8281a0fe03fc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "oracle_verdict",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "oracle_verdict"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 07:01:53.114091+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “oracle_verdict” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-blockchainanalysis-mcp/api-mcp#chg-chg_01a02320-47da-74a6-98ea-8281a0fe03fc"
    },
    {
      "id": "chg_01a02320-47db-71ab-a54b-064b73c2e860",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "screen_address",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "screen_address"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 07:01:53.114091+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “screen_address” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-blockchainanalysis-mcp/api-mcp#chg-chg_01a02320-47db-71ab-a54b-064b73c2e860"
    },
    {
      "id": "chg_019fe553-f939-7583-879b-5e77e03aa161",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_stablecoin_freeze",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_stablecoin_freeze"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 07:01:53.552222+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “check_stablecoin_freeze” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-blockchainanalysis-mcp/api-mcp#chg-chg_019fe553-f939-7583-879b-5e77e03aa161"
    },
    {
      "id": "chg_019fe553-f93a-7562-8f21-6f7b02a0e9d3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "kyt_risk",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "kyt_risk"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 07:01:53.552222+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “kyt_risk” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-blockchainanalysis-mcp/api-mcp#chg-chg_019fe553-f93a-7562-8f21-6f7b02a0e9d3"
    },
    {
      "id": "chg_019fe553-f93a-7ee2-bc82-4ca208dbdc49",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "kyt_tx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "kyt_tx"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 07:01:53.552222+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “kyt_tx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-blockchainanalysis-mcp/api-mcp#chg-chg_019fe553-f93a-7ee2-bc82-4ca208dbdc49"
    },
    {
      "id": "chg_019fdb07-201f-730f-94f6-8366f88c2322",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_stablecoin_freeze",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_stablecoin_freeze"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 07:01:45.101087+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “check_stablecoin_freeze” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-blockchainanalysis-mcp/api-mcp#chg-chg_019fdb07-201f-730f-94f6-8366f88c2322"
    },
    {
      "id": "chg_019fd0ba-2b78-7ada-a998-4484375aa0b2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "kyt_tx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "kyt_tx"
      },
      "occurred_on": "2026-08-05",
      "occurred_at": "2026-08-05 07:01:29.48803+00",
      "observed_since": "2026-08-04",
      "source": "scan",
      "summary": "Tool “kyt_tx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-blockchainanalysis-mcp/api-mcp#chg-chg_019fd0ba-2b78-7ada-a998-4484375aa0b2"
    },
    {
      "id": "chg_019fcb93-fdcd-7058-af1c-442fc90f3359",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "kyt_risk",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "kyt_risk"
      },
      "occurred_on": "2026-08-04",
      "occurred_at": "2026-08-04 07:01:41.419877+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "Tool “kyt_risk” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-blockchainanalysis-mcp/api-mcp#chg-chg_019fcb93-fdcd-7058-af1c-442fc90f3359"
    }
  ],
  "days": [
    {
      "date": "2026-08-28",
      "total": 80,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-26",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 80,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-24",
      "total": 80,
      "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": "2026-08-22",
      "total": 79,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-08-21",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 10
    },
    {
      "date": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-09",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    }
  ]
}