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MCP server · Blockchain

io.github.rascal-3/chainanalyzer-mcp

by · github.com/rascal-3/chainanalyzer-mcp

Multi-chain AML risk scoring, sanctions screening, and tx tracing across BTC, ETH, POL, AVAX, SOL.

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About io.github.rascal-3/chainanalyzer-mcp

io.github.rascal-3/chainanalyzer-mcp is an MCP server published by rascal-3 in the Blockchain category: multi-chain AML risk scoring, sanctions screening, and tx tracing across BTC, ETH, POL, AVAX, SOL.

The repository has 1 stars and 1 forks, with the last commit yesterday. Recent commit activity is the strongest signal that reported issues will get attention.

Install

Claude Code
claude mcp add io-github-rascal-3-chainanalyzer-mcp -- npx -y chainanalyzer-mcp
npx
npx -y chainanalyzer-mcp

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

Tools (7)

batch_screeningBatch AML screening (up to 50 addresses)

Parameters not published.

bridge_flow_traceMulti-hop cross-chain forensic trace with Solver detection + same-intent correlation (NEAR Intents / Wormhole / Stargate / Across / Synapse / Hop / deBridge)

Parameters not published.

check_address_riskAML risk score for any blockchain address

Parameters not published.

cluster_walletWallet clustering via Neo4j graph analysis

Parameters not published.

detect_coinjoinCoinJoin / mixing pattern detection (Bitcoin)

Parameters not published.

sanctions_checkOFAC / FATF / JFSA sanctions screening

Parameters not published.

trace_transactionTransaction flow tracing with ML anomaly detection

Parameters not published.

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README

chainanalyzer-mcp

MCP Server for ChainAnalyzer — multi-chain blockchain AML risk analysis for AI agents.

Scan any address across 8 chains live for self-serve — Bitcoin, Ethereum, Polygon, Base, Arbitrum, Optimism, Avalanche, Solana — plus BNB Smart Chain on Enterprise rollout (paid Etherscan tier required, available via API key only). 76+ detection rules across 9 chains, ML anomaly scoring, and Neo4j graph analysis.

Tools

Tool Description Price
check_address_risk AML risk score for any blockchain address $0.008
sanctions_check OFAC / FATF / JFSA sanctions screening $0.003
trace_transaction Transaction flow tracing with ML anomaly detection $0.015
detect_coinjoin CoinJoin / mixing pattern detection (Bitcoin) $0.01
cluster_wallet Wallet clustering via Neo4j graph analysis $0.02
batch_screening Batch AML screening (up to 50 addresses) $0.05

Quick Start

Claude Desktop / Claude Code

Add to your MCP configuration:

{
  "mcpServers": {
    "chainanalyzer-aml": {
      "command": "npx",
      "args": ["-y", "chainanalyzer-mcp"],
      "env": {
        "CHAINANALYZER_API_KEY": "tfk_your_api_key"
      }
    }
  }
}

From Source

git clone https://github.com/rascal-3/chainanalyzer-mcp.git
cd chainanalyzer-mcp
npm install
npm start

Authentication

Choose one of three modes:

1. API Key (Subscription)

Get a tfk_ API key from chain-analyzer.com (Pro plan).

{
  "env": {
    "CHAINANALYZER_API_KEY": "tfk_your_api_key"
  }
}

2. x402 USDC Payment (Pay-Per-Request)

No account needed. Pay with USDC on Base or Solana per request.

{
  "env": {
    "X402_PRIVATE_KEY": "your_wallet_private_key",
    "X402_NETWORK": "base"
  }
}

Requires the x402 npm package: npm install x402

3. Dev Mode

No authentication. Works when the ChainAnalyzer server has X402_ENABLED=false.

{
  "env": {
    "CHAINANALYZER_BASE_URL": "http://localhost:3000"
  }
}

Environment Variables

Variable Description Required
CHAINANALYZER_API_KEY tfk_ API key (subscription auth) One of API key or x402
X402_PRIVATE_KEY Wallet private key for USDC payments One of API key or x402
X402_NETWORK Payment network: base or solana (default: base) No
CHAINANALYZER_BASE_URL API base URL (default: https://chain-analyzer.com) No

Example Usage

Once configured, ask your AI agent:

"Check if this Ethereum address is sanctioned: 0x1234..."

"Analyze the risk score for this Solana wallet: ABC123..."

"Trace the fund flow of this Bitcoin transaction and check for mixing patterns"

"Screen these 20 addresses for AML compliance"

The agent will automatically call the appropriate ChainAnalyzer tools.

Supported Chains

  • Bitcoin — OFAC screening, dust attacks, peel chains, CoinJoin detection
  • Ethereum — 18+ detectors, Neo4j graph analysis, sanctions, mixers
  • Polygon — Full EVM AML suite, Etherscan V2 compatible
  • Avalanche — Full EVM AML suite, Routescan API
  • Solana — Token security (rug pull, honeypot), wallet drainer detection

Links

License

MIT - see LICENSE

Built by refinancier, inc.

README copy captured when this server was indexed; it may lag the repository. The original is authoritative.

Questions

About io.github.rascal-3/chainanalyzer-mcp

How do I install io.github.rascal-3/chainanalyzer-mcp?

Run claude mcp add io-github-rascal-3-chainanalyzer-mcp -- npx -y chainanalyzer-mcp, then add the server to your MCP client's configuration.

Is io.github.rascal-3/chainanalyzer-mcp safe to use with an AI agent?

Its trust score is 37 out of 100 (low). It passes 1 of the 1 static security checks run so far. It has no ConduID identity yet, so agent calls to it are not receipted.

Is io.github.rascal-3/chainanalyzer-mcp still maintained?

Yes — the last commit was yesterday. The repository has 1 stars and 1 forks.