Onchain Data MCP

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

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

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "onchain-data-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/madlabs-tech/onchain-data-mcp:0.2.1"
      ],
      "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>"
      }
    }
  }
}
Environment variables
  • ALCHEMY_API_KEYsecretOptional Alchemy key: EVM RPC, token balances and transfers.
  • HELIUS_API_KEYsecretOptional Helius key: Solana RPC and token data.
  • COINGECKO_API_KEYsecretOptional CoinGecko key: token prices and market data.
  • MORALIS_API_KEYsecretOptional Moralis key: wallet history and token data.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.2.1
Registry
active
Published
9/26/2026

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