Universal Crypto MCP

What it does

Universal Crypto MCP gives AI agents (Claude, ChatGPT, Cursor) comprehensive access to blockchain and DeFi functionality across 20+ chains. It connects to Ethereum, BSC, Polygon, Arbitrum, Base, Optimism, Solana, Bitcoin, TON, NEAR, Cosmos, and more — exposing over 380 tools via stdio, HTTP, or SSE transport.

From checking token prices to executing swaps, querying DeFi protocol TVL, running security audits, and making autonomous x402 payments, it's a complete crypto toolkit for AI workflows.

Tools

• get_price / get_market_overview / get_trending — CoinGecko-backed price and market data
• swap_tokens — Multi-DEX token swaps via 1inch, 0x, ParaSwap aggregators
• bridge_tokens — Cross-chain transfers via LayerZero, Stargate, Wormhole
• check_token_security — GoPlus honeypot, rug pull, and approval security checks
• get_defi_tvl / get_yields — DefiLlama protocol analytics and yield opportunities
• get_nft_metadata / transfer_nft — ERC-721/1155 NFT operations
• x402_pay_request — Automatic HTTP 402 payment handling with USDC/USDs
• deploy_contract / verify_contract — Smart contract deployment and verification
• get_wallet_portfolio — Multi-chain token balances and portfolio tracking
• get_whale_alerts / get_social_sentiment — On-chain and social analytics

Installation

{
  "mcpServers": {
    "universal-crypto-mcp": {
      "command": "npx",
      "args": ["-y", "@nirholas/universal-crypto-mcp@latest"],
      "env": {
        "PRIVATE_KEY": "your_private_key_here"
      }
    }
  }
}

For ChatGPT or HTTP clients: npx @nirholas/universal-crypto-mcp@latest --http then connect to http://localhost:3001/mcp.

A live HTTP endpoint is also available at https://modelcontextprotocol.name/mcp/universal-crypto-mcp — no installation required.

Supported hosts

Claude Desktop, Cursor, ChatGPT (Developer Mode via HTTP), VS Code Copilot, any SSE-compatible MCP client.