Blockchain MCP powered by Tatum
A Model Context Protocol (MCP) server that exposes the Tatum Blockchain Data API and RPC Gateway so LLM clients can query blockchain data across 130+ networks. Get an API key on the Tatum MCP page or dashboard.
Features
- 130+ Blockchain Networks: Bitcoin, Ethereum, Solana, Polygon, Arbitrum, Base, Avalanche, and many more.
- 🔗 Blockchain Data API: Blocks, transactions, balances, network info, and more.
- 🌐 RPC Gateway: Direct access to blockchain RPC endpoints.
Requires Node.js 18+ and a TATUM_API_KEY.
Installation
npm install -g @tatumio/blockchain-mcpOr use without a global install:
npx @tatumio/blockchain-mcpPublished binaries: blockchain-mcp and blockchain-mcp-server (same entrypoint).
MCP client setup
- Create a free API key at dashboard.tatum.io.
- Add the server to your MCP client (Cursor, Claude Desktop, VS Code, etc.):
{
"mcpServers": {
"tatumio": {
"command": "npx",
"args": ["@tatumio/blockchain-mcp"],
"env": {
"TATUM_API_KEY": "YOUR_API_KEY"
}
}
}
}





