Chainanalyzer MCP Server

by rascal-3io.github.rascal-3/chainanalyzer-mcpv1.1.1

Multi-chain AML risk scoring and sanctions screening with ML anomaly scoring and graph analysis across Bitcoin, Ethereum, Polygon, Avalanche and Solana.

1Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Maintained2mo ago

Install Chainanalyzer MCP server

claude mcp add chainanalyzer -e X402_WALLET_PRIVATE_KEY='<x402-wallet-private-key>' -e CHAINANALYZER_API_KEY='<chainanalyzer-api-key>' -- npx -y chainanalyzer-mcp

{
  "mcpServers": {
    "chainanalyzer": {
      "command": "npx",
      "args": [
        "-y",
        "chainanalyzer-mcp"
      ],
      "env": {
        "X402_WALLET_PRIVATE_KEY": "<x402-wallet-private-key>",
        "CHAINANALYZER_API_KEY": "<chainanalyzer-api-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "chainanalyzer": {
      "command": "npx",
      "args": [
        "-y",
        "chainanalyzer-mcp"
      ],
      "env": {
        "X402_WALLET_PRIVATE_KEY": "<x402-wallet-private-key>",
        "CHAINANALYZER_API_KEY": "<chainanalyzer-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "chainanalyzer": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "chainanalyzer-mcp"
      ],
      "env": {
        "X402_WALLET_PRIVATE_KEY": "<x402-wallet-private-key>",
        "CHAINANALYZER_API_KEY": "<chainanalyzer-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "chainanalyzer": {
      "command": "npx",
      "args": [
        "-y",
        "chainanalyzer-mcp"
      ],
      "env": {
        "X402_WALLET_PRIVATE_KEY": "<x402-wallet-private-key>",
        "CHAINANALYZER_API_KEY": "<chainanalyzer-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
X402_WALLET_PRIVATE_KEY	—	yes	EVM wallet private key used to sign x402 USDC micropayments on Base (required for pay-per-request mode)
CHAINANALYZER_API_KEY	—	yes	ChainAnalyzer API key (tfk_...) for subscription-based billing instead of x402 micropayments
CHAINANALYZER_BASE_URL	—	—	Override the API base URL (default: https://chain-analyzer.com)

Freshness

Maintained — last maintenance signal 2mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-08-08 · 2mo ago · GitHub
Latest release
2026-04-18 · 6mo ago · GitHub · v1.1.0
Package published
no data · npm/PyPI
Registry entry updated
2026-04-18 · 6mo ago · official registry · v1.1.1

FAQ

›How do I install the Chainanalyzer MCP server in Claude Code?

Run: claude mcp add chainanalyzer -e X402_WALLET_PRIVATE_KEY='<x402-wallet-private-key>' -e CHAINANALYZER_API_KEY='<chainanalyzer-api-key>' -- npx -y chainanalyzer-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Chainanalyzer require an API key?

Yes. It expects X402_WALLET_PRIVATE_KEY, CHAINANALYZER_API_KEY, of which 2 are secrets.

›Can I use Chainanalyzer as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Chainanalyzer in the official MCP registry?

Yes, as io.github.rascal-3/chainanalyzer-mcp.