Onchain Data MCP

stdio

Blockchain data for EVM and Solana: balances, tokens, prices, DeFi and RPC via free-tier vendors

Getting Started

npx @getmcp/cli add io.github.madlabs-tech/onchain-data-mcp

Requires Docker Engine. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "io.github.madlabs-tech/onchain-data-mcp": {
      "command": "docker",
      "args": [
        "onchain-data-mcp-data:/data",
        "run",
        "-i",
        "--rm",
        "-e",
        "ALCHEMY_API_KEY",
        "-e",
        "HELIUS_API_KEY",
        "-e",
        "COINGECKO_API_KEY",
        "-e",
        "MORALIS_API_KEY",
        "ghcr.io/madlabs-tech/onchain-data-mcp:0.2.0",
        "--config-dir",
        "/config"
      ],
      "env": {
        "ALCHEMY_API_KEY": "",
        "HELIUS_API_KEY": "",
        "COINGECKO_API_KEY": "",
        "MORALIS_API_KEY": ""
      }
    }
  }
}

Claude Desktop MCP documentation