Universal Crypto MCP Server

The most extensive crypto MCP repository - 60+ networks, 100+ tools, DEX/CEX, DeFi, wallets, market data, automation, and x402 payments

Remote serverstreamable-http

What is the Universal Crypto MCP MCP server?

Universal Crypto MCP MCP server is a hosted integration for AI assistants that speak the Model Context Protocol. The most extensive crypto MCP repository - 60+ networks, 100+ tools, DEX/CEX, DeFi, wallets, market data, automation, and x402 payments.

What you get

Available tools

ToolWhat it does
x402_pay_requestMake HTTP request with automatic 402 payment
x402_balanceCheck wallet balance (USDC/USDs + native)
x402_sendSend direct payment to an address
x402_batch_sendSend multiple payments in one transaction
x402_gasless_sendSend payment without paying gas
x402_estimateCheck cost before paying
x402_addressGet your wallet address
x402_networksList supported networks
x402_yieldCheck USDs auto-yield earnings
x402_apyGet current APY rate
x402_yield_estimateProject future yield
x402_approveApprove token spending
x402_tx_statusCheck transaction status
x402_configView current configuration

How to install the Universal Crypto MCP MCP server

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

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
PRIVATE_KEYCredential the server authenticates with.Yes
X402_PRIVATE_KEYCredential the server authenticates with.Yes
X402_CHAINConfiguration value read at startup.Optional

Example prompts to try

  • Use Universal Crypto MCP to x402 pay request.
  • Use Universal Crypto MCP to x402 balance.
  • Use Universal Crypto MCP to x402 send.

Frequently asked questions

It connects Universal Crypto MCP to MCP-compatible AI assistants such as Claude and Cursor, exposing 14 tools (x402_pay_request, x402_balance, x402_send, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Universal Crypto MCP directly.