Onchain Data MCP MCP Server

io.github.madlabs-tech/onchain-data-mcp

Repository Registry

What is the Onchain Data MCP MCP server?

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

How to install Onchain Data MCP

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

ALCHEMY_API_KEY
secret
Optional Alchemy key: EVM RPC, token balances and transfers.
HELIUS_API_KEY
secret
Optional Helius key: Solana RPC and token data.
COINGECKO_API_KEY
secret
Optional CoinGecko key: token prices and market data.
MORALIS_API_KEY
secret
Optional Moralis key: wallet history and token data.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "onchain-data-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/madlabs-tech/onchain-data-mcp:0.2.1",
        "--volume",
        "onchain-data-mcp-data:/data",
        "--config-dir",
        "/config"
      ],
      "env": {
        "ALCHEMY_API_KEY": "<YOUR_ALCHEMY_API_KEY>",
        "HELIUS_API_KEY": "<YOUR_HELIUS_API_KEY>",
        "COINGECKO_API_KEY": "<YOUR_COINGECKO_API_KEY>",
        "MORALIS_API_KEY": "<YOUR_MORALIS_API_KEY>"
      }
    }
  }
}

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