@cryptoapis-io/mcp-aml

@cryptoapis-io/mcp-aml

MCP server for Crypto APIs AML (Anti-Money Laundering) product. Verify addresses and screen transactions for fraud, sanctions, and other AML risk categories.

API Version: Compatible with Crypto APIs version 2024-12-12

Features

• Verify whether an address is flagged or associated with fraud, sanctions, ransomware, exploits, darknet markets, or other AML risk categories
• Screen a transaction and its participants against AML data, returning risk score, risk band, and flagged addresses with roles/categories/severity

Prerequisites

• Node.js 18+
• Crypto APIs account and API key (sign up | get API key)

Installation

npm install @cryptoapis-io/mcp-aml

Or install all Crypto APIs MCP servers: npm install @cryptoapis-io/mcp

Usage

# Run with API key
npx @cryptoapis-io/mcp-aml --api-key YOUR_API_KEY

# Or use environment variable
export CRYPTOAPIS_API_KEY=YOUR_API_KEY
npx @cryptoapis-io/mcp-aml

# HTTP transport
npx @cryptoapis-io/mcp-aml --transport http --port 3000 --api-key YOUR_API_KEY

Claude Desktop

Add to your Claude Desktop config (~/Library/Application Support/Claude/claude_desktop_config.json on macOS, %APPDATA%\Claude\claude_desktop_config.json on Windows):

{
  "mcpServers": {
    "cryptoapis-aml": {
      "command": "npx",
      "args": ["-y", "@cryptoapis-io/mcp-aml"],
      "env": {
        "CRYPTOAPIS_API_KEY": "your_api_key_here"
      }
    }
  }
}

Cursor

Add to .cursor/mcp.json (project) or ~/.cursor/mcp.json (global):

{
  "mcpServers": {
    "cryptoapis-aml": {
      "command": "npx",
      "args": ["-y", "@cryptoapis-io/mcp-aml"],
      "env": {
        "CRYPTOAPIS_API_KEY": "your_api_key_here"
      }
    }
  }
}

MCP Inspector

npx @modelcontextprotocol/inspector npx @cryptoapis-io/mcp-aml --api-key YOUR_API_KEY

n8n

• Start the server in HTTP mode:

  npx @cryptoapis-io/mcp-aml --transport http --port 3000 --api-key YOUR_API_KEY
  

• In your n8n workflow, add an AI Agent node
• Under Tools, add an MCP Client Tool and set the URL to http://localhost:3000/mcp

All servers default to port 3000. Use --port to assign different ports when running multiple servers.

Available Tools

aml

Action	Description
verify-address	Check if an address is flagged for fraud, sanctions, or other AML risk categories. Params: address
screen-transaction	Screen a transaction and its participants against AML data. Params: blockchain, transactionHash

screen-transaction supports: ethereum, ethereum-classic, binance-smart-chain, bitcoin, bitcoin-cash, dash, dogecoin, litecoin, arbitrum, polygon, avalanche, optimism, base, zcash, xrp, solana, tezos, kaspa, tron.

Note: these are the highest per-call credit cost endpoints in the Crypto APIs suite — verify-address is 200,000 credits, screen-transaction is 500,000 credits per call.

CLI Arguments

Argument	Description	Default
--api-key	Crypto APIs API key	CRYPTOAPIS_API_KEY env var
--transport	Transport type: stdio or http	stdio
--host	HTTP host	0.0.0.0
--port	HTTP port	3000
--path	HTTP path	/mcp
--stateless	Enable stateless HTTP mode	false

HTTP API Key Modes

When using HTTP transport, the server supports two API key modes:

• With --api-key: The key is used for all requests. x-api-key request headers are ignored.
• Without --api-key: Each request must include an x-api-key header with a valid Crypto APIs key. This enables hosting a public server where each user provides their own key.

# Per-request key mode (multi-tenant)
npx @cryptoapis-io/mcp-aml --transport http --port 3000
# Clients send x-api-key header with each request

Stdio transport always requires an API key at startup.

Important: API Key Required

Warning: Making requests without a valid API key — or with an incorrect one — may result in your IP being banned from the Crypto APIs ecosystem. Always ensure a valid API key is configured before starting any server.

Remote MCP Server

Crypto APIs provides an official remote MCP server with all tools available via HTTP Streamable transport at https://ai.cryptoapis.io/mcp. Pass your API key via the x-api-key header — no installation required.

License

MIT