Multi-Chain MCP

Universal
Blockchain
MCP

Multi-chain blockchain integration with Claude for cross-chain operations. Query balances, send transactions, interact with smart contracts, and bridge assets across every major blockchain.

Get Started View Source

◈Ethereum

◎Solana

◆Bitcoin

○Polygon

◊Avalanche

◉Arbitrum

●Optimism

◐BSC

◘Cosmos

Cross-chain capabilities

One protocol to interact with every blockchain. Unified API, universal access.

💰

Balance Queries

Check native and token balances across all supported chains with a single unified command.

📤

Transaction Sending

Send native tokens and ERC-20/SPL transfers on any chain. Automatic gas estimation and nonce management.

📜

Smart Contracts

Read and write to smart contracts across EVM chains. ABI decoding, event parsing, and call simulation.

🌐

Cross-Chain Bridges

Bridge assets between chains using integrated protocols. Track bridge status and estimate fees.

🔎

Transaction History

Query full transaction history with decoded inputs, token transfers, and internal transactions.

📊

DeFi Analytics

Query DEX prices, liquidity pools, lending rates, and yield farming opportunities across protocols.

Quick Setup

Add to your Claude Desktop configuration.

claude_desktop_config.json

{
  "mcpServers": {
    "blockchain": {
      "command": "npx",
      "args": ["-y", "universal-blockchain-mcp"],
      "env": {
        "ETH_RPC_URL": "https://eth-mainnet.example.com",
        "SOL_RPC_URL": "https://api.mainnet-beta.solana.com",
        "WALLET_KEY": "your-private-key"
      }
    }
  }
}

Supported Chains

Ethereum Solana Bitcoin Polygon Avalanche Arbitrum Optimism BNB Chain Cosmos Base Fantom Sui Aptos zkSync Starknet Near Tron Polkadot

Install

npm install -g universal-blockchain-mcp

UniversalBlockchainMCP