Ethereum Blockchain Tools

by 0xgval

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About

Integrates with Ethereum blockchain networks to provide smart contract auditing, wallet analysis, token balance checking, and profitability tracking using Web3.js, Moralis, and Etherscan APIs.

Details

Author
0xgval
Repository
0xGval/evm-mcp-tools
GitHub stars
4
Categories
Developer Tools, Other, Finance, Productivity, Design, AI, Search, API, Security
Tags
#integration, #web, #evm, #crypto, #smart-contracts

Jump to

- 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
- Twitter Search: Find tweets by keywords, usernames, dates, or complex search criteria with natural language processing

Setting up with Highlight

This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:

  1. Download and install Highlight from highlightai.com/download
  2. Navigate to the plugins tab and select "Add Custom Plugin"
  3. Configure the plugin with the settings below
    Plugin Name Ethereum Blockchain Tools
    Command (node, npx, python, etc.) node
    Arguments
    • Argument 1 YOUR_ABSOLUTE_PATH_TO/main.js
    Environment
    • ETH_RPC_URL https://eth.llamarpc.com
    • RAPIDAPI_KEY your_rapidapi_key
    • CODEX_API_KEY your_codex_api_key
    • MORALIS_API_KEY your_moralis_api_key
    • ETHERSCAN_API_KEY your_etherscan_api_key

    Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.

  4. Enable "Start Automatically" if you want the plugin to start when Highlight launches

From the repository

1. Clone this repository:

   git clone https://github.com/0xGval/evm-tools-mcp

   cd evm-tools-mcp

2. Install dependencies:

   npm install

3. Create your configuration:
- Copy mcp.json.example to mcp.json
- 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",
           "RAPIDAPI_KEY": "your_rapidapi_key"
         }
       }
     }
   }

4. Configure Claude for Desktop:
- On Windows: Create/edit %APPDATA%\Claude\claude_desktop_config.json
- Copy the contents of your mcp.json file into this configuration

auditContract

Perform security audit on a smart contract. Parameters: address (string)

getEthBalance

Get ETH balance. Parameters: address (string)

getTransactionCount

Get transaction count (nonce). Parameters: address (string)

getTokensBalance

Get all token balances. Parameters: address (string), chain (string), excludeSpam (boolean)

getWalletPnl

Analyze wallet profit/loss. Parameters: address (string), chain (string)

getTokenInfo

Get basic token information including name, symbol, and supply. Parameters: address (string), networkId (number)

getTokenPriceHistory

Get historical price data. Parameters: address (string), networkId (number), days (number), resolution (string)

analyzeToken

Perform comprehensive token analysis including volatility and trading patterns. Parameters: address (string), networkId (number), days (number)

searchTwitter

Intelligent Twitter search with natural language processing. Parameters: query (string), section (string), limit (number)

twitterSearchHelp

Get help with Twitter search syntax. Parameters: topic (string)

add

Simple utility function example. Parameters: a (number), b (number)

Claude Desktop / Cursor

Paste into your MCP client config file to install this server.

{
    "mcpServers": {
        "ethereum blockchain tools": {
            "env": {
                "ETH_RPC_URL": "https://eth.llamarpc.com",
                "RAPIDAPI_KEY": "your_rapidapi_key",
                "CODEX_API_KEY": "your_codex_api_key",
                "MORALIS_API_KEY": "your_moralis_api_key",
                "ETHERSCAN_API_KEY": "your_etherscan_api_key"
            },
            "args": [
                "YOUR_ABSOLUTE_PATH_TO/main.js"
            ],
            "command": "node"
        }
    }
}

Linux

{
    "env": {
        "ETH_RPC_URL": "https://eth.llamarpc.com",
        "RAPIDAPI_KEY": "your_rapidapi_key",
        "CODEX_API_KEY": "your_codex_api_key",
        "MORALIS_API_KEY": "your_moralis_api_key",
        "ETHERSCAN_API_KEY": "your_etherscan_api_key"
    },
    "args": [
        "YOUR_ABSOLUTE_PATH_TO/main.js"
    ],
    "command": "node"
}

Macos

{
    "env": {
        "ETH_RPC_URL": "https://eth.llamarpc.com",
        "RAPIDAPI_KEY": "your_rapidapi_key",
        "CODEX_API_KEY": "your_codex_api_key",
        "MORALIS_API_KEY": "your_moralis_api_key",
        "ETHERSCAN_API_KEY": "your_etherscan_api_key"
    },
    "args": [
        "YOUR_ABSOLUTE_PATH_TO/main.js"
    ],
    "command": "node"
}

Windows

{
    "env": {
        "ETH_RPC_URL": "https://eth.llamarpc.com",
        "RAPIDAPI_KEY": "your_rapidapi_key",
        "CODEX_API_KEY": "your_codex_api_key",
        "MORALIS_API_KEY": "your_moralis_api_key",
        "ETHERSCAN_API_KEY": "your_etherscan_api_key"
    },
    "args": [
        "YOUR_ABSOLUTE_PATH_TO/main.js"
    ],
    "command": "node"
}

Ethereum Tools for Claude MCP

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
- Twitter Search: Find tweets by keywords, usernames, dates, or complex search criteria with natural language processing

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 - RapidAPI - For Twitter search functionality - (Optional) RPC provider like Infura or use free public endpoints

Setup Steps

1. Clone this repository:

   git clone https://github.com/0xGval/evm-tools-mcp

   cd evm-tools-mcp

2. Install dependencies:

   npm install

3. Create your configuration:
- Copy mcp.json.example to mcp.json
- 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",
           "RAPIDAPI_KEY": "your_rapidapi_key"
         }
       }
     }
   }

4. Configure Claude for Desktop:
- On Windows: Create/edit %APPDATA%\Claude\claude_desktop_config.json
- 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

Twitter Search

- searchTwitter(query: "ethereum", section: "top", limit: 5): Intelligent Twitter search with natural language processing - Automatically formats natural language queries into proper Twitter syntax - Understands user queries like "Find tweets by _gval about hyperliquid" - Supports advanced Twitter search operators: from:username, has:links, etc. - Optional parameters: min_likes, min_retweets, min_replies, start_date, end_date, language

- twitterSearchHelp(topic: "general"): Get help with Twitter search syntax
- Available topics: "general", "user", "date"
- Provides examples and explanations of Twitter search operators

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
- Twitter search errors: Make sure your RapidAPI key has access to the Twitter154 API

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

- Model Context Protocol (MCP) by Anthropic
- Web3.js
- Moralis
- Etherscan
- Codex
- RapidAPI Twitter154

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Install

Add to Claude Desktop or Cursor

{
    "mcpServers": {
        "ethereum blockchain tools": {
            "env": {
                "ETH_RPC_URL": "https://eth.llamarpc.com",
                "RAPIDAPI_KEY": "your_rapidapi_key",
                "CODEX_API_KEY": "your_codex_api_key",
                "MORALIS_API_KEY": "your_moralis_api_key",
                "ETHERSCAN_API_KEY": "your_etherscan_api_key"
            },
            "args": [
                "YOUR_ABSOLUTE_PATH_TO/main.js"
            ],
            "command": "node"
        }
    }
}

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