universal-crypto-mcp

Overview

Universal Crypto MCP provides a comprehensive interface for AI agents to interact with EVM-compatible and multi-chain networks. It supports 380+ tools covering swaps, bridges, gas calculations, staking, lending, and more across networks including Ethereum, Arbitrum, Base, Polygon, BSC, and Solana. The server integrates multiple DEX aggregators, security features, MEV protection, and payment infrastructure through the x402 protocol. It consolidates several MIT-licensed crypto MCP projects into a monorepo structure.

Try asking AI

After installing, here are 5 things you can ask your AI assistant:

• x402_pay_request

  Make HTTP request with automatic 402 payment

  Try:Get premium weather data for Tokyo using 402 paymentTry:Access a paid API endpoint with automatic payment
• x402_balance

  Check wallet balance (USDC/USDs + native)

  Try:Check my current wallet balanceTry:How much USDC do I have in my x402 wallet?
• x402_send

  Send direct payment to an address

  Try:Send 10 USDC to address 0x...Try:Transfer funds to another wallet
• x402_batch_send

  Send multiple payments in one transaction

  Try:Send payments to multiple addresses in one batchTry:Batch transfer funds to several recipients
• x402_gasless_send

  Send payment without paying gas

  Try:Send USDC without paying gas feesTry:Make a low-cost gasless transfer
• x402_estimate

  Check cost before paying

  Try:Estimate the cost of this API callTry:Check how much a payment would cost before sending
• x402_address

  Get your wallet address

  Try:What's my x402 wallet address?Try:Get my payment wallet address
• x402_networks

  List supported networks

  Try:Which networks are supported for x402 payments?Try:List all available x402 networks
• x402_yield

  Check USDs auto-yield earnings

  Try:How much yield have I earned on USDs?Try:Check my USDs auto-yield earnings

Note: Tools were extracted from the 'x402 Payment Protocol' section which listed 14 tools but only provided 9 tool names with descriptions. The remaining 5 tool names were not documented in the readable portion of the README.

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Installation

npm install @nirholas/universal-crypto-mcp

{
  "mcpServers": {
    "universal-crypto": {
      "command": "npx",
      "args": ["@nirholas/universal-crypto-mcp"]
    }
  }
}

FAQ

Which blockchains are supported?

The server supports 20+ chains including Ethereum, BSC, Polygon, Arbitrum, Base, Solana, Cosmos, Near, Sui, Aptos, and Bitcoin.

How does the x402 payment protocol work?

x402 enables AI agents to pay for premium APIs, sell services, and trade with other agents peer-to-peer across EVM and Solana chains.

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