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Quick Start

Get up and running in under 2 minutes.

⚡ 30-Second Setup

For Claude Desktop

  1. Open Claude Desktop settings → Developer → Edit Config

  2. Paste this: 

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

  3. Restart Claude Desktop

  4. Try it:

    "What's the price of Bitcoin?"

That's it! 🎉

🔧 Optional: Add Write Capabilities

To execute transactions (swaps, transfers, etc.), add your private key:

{
  "mcpServers": {
    "crypto": {
      "command": "npx",
      "args": ["-y", "@nirholas/universal-crypto-mcp@latest"],
      "env": {
        "PRIVATE_KEY": "0xYourPrivateKeyHere"
      }
    }
  }
}

⚠️ Security Warning: Use a dedicated wallet with small amounts for testing!

🌐 For ChatGPT

  1. Start the server: 

    npx @nirholas/universal-crypto-mcp@latest --http

  2. In ChatGPT → Settings → Apps → Create app

  3. Enter: http://localhost:3001/mcp

  4. Select the app in Developer mode menu

🎯 Try These First

Read Operations (No Private Key Needed)

Try This What It Does
"What's the price of ETH?" Get current price
"Show trending coins" See what's hot
"Is 0x... a safe token?" Security check
"What's the gas price on Arbitrum?" Check gas costs
"Get Aave TVL" DeFi analytics

Write Operations (Needs Private Key)

Try This What It Does
"Swap 0.01 ETH for USDC on Base" Execute a swap
"Send 10 USDC to 0x..." Transfer tokens
"Approve USDC for Uniswap" Set approval

📚 Next Steps