evm mcp tools

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A comprehensive toolkit for Ethereum blockchain analysis within Claude AI, enabling contract auditing, wallet analysis, profitability tracking, and on-chain data retrieval.

A comprehensive toolkit for Ethereum blockchain analysis directly within Claude AI using Model Context Protocol (MCP).

Features

  • Smart Contract Audit: Analyze contracts for security issues, verify source code, and detect token standards
  • Wallet Analysis: Check ETH balances, token holdings, and transaction history
  • Profitability Tracking: Calculate wallet profit/loss across tokens and trades
  • Blockchain Data: Fetch and analyze on-chain data with simple commands
  • Token Analysis: Get comprehensive token details, price history, and trading patterns

Installation

Prerequisites

  • Node.js v16+
  • Claude for Desktop
  • Free API keys:
  • Etherscan - For contract verification and analysis
  • Moralis - For wallet profitability and token balances
  • Codex - For token price history and advanced analytics
  • (Optional) RPC provider like Infura or use free public endpoints

Setup Steps

  1. Clone this repository: 

    git clone https://github.com/giovannialbero1992/ethereum-tools-mcp
cd ethereum-tools-mcp

  2. Install dependencies: 

    npm install

  3. Create your configuration:

  4. Copy mcp.json.example to mcp.json
  5. Edit mcp.json to include your API keys and correct file paths
{
  "mcpServers": {
    "ethereum-tools": {
      "command": "node",
      "args": ["YOUR_ABSOLUTE_PATH_TO/main.js"],
      "env": {
        "ETH_RPC_URL": "https://eth.llamarpc.com",
        "MORALIS_API_KEY": "your_moralis_api_key",
        "ETHERSCAN_API_KEY": "your_etherscan_api_key",
        "CODEX_API_KEY": "your_codex_api_key"
      }
    }
  }
}
  1. Configure Claude for Desktop:
  2. On Windows: Create/edit %APPDATA%Claudeclaude_desktop_config.json
  3. Copy the contents of your mcp.json file into this configuration

Available Tools

Contract Analysis

  • auditContract(address: "0x..."): Perform security audit on a smart contract

Balance & Tokens

  • getEthBalance(address: "0x..."): Get ETH balance
  • getTransactionCount(address: "0x..."): Get transaction count (nonce)
  • getTokensBalance(address: "0x...", chain: "eth", excludeSpam: true): Get all token balances

Profitability

  • getWalletPnl(address: "0x...", chain: "eth"): Analyze wallet profit/loss

Token Analysis

  • getTokenInfo(address: "0x...", networkId: 1): Get basic token information including name, symbol, and supply
  • getTokenPriceHistory(address: "0x...", networkId: 1, days: 7, resolution: "1D"): Get historical price data
  • analyzeToken(address: "0x...", networkId: 1, days: 30): Perform comprehensive token analysis including volatility and trading patterns

Utilities

  • add(a: 1, b: 2): Simple utility function example

Troubleshooting

Common issues: - Environment variables not found: Make sure your API keys are correctly set in mcp.json - Provider errors: Check that your ETH_RPC_URL is valid and accessible - Path errors: Ensure you're using full absolute paths with proper escaping in Windows () - Codex API issues: Verify your Codex API key is valid and has permission to access token data

Development

To add new tools: 1. Create or modify files in the tools/ directory 2. Register your tools in main.js 3. Restart Claude for Desktop to see changes

License

This project is licensed under the MIT License.

Acknowledgements