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MCP-Etherscan服务器
通过Etherscan的API提供以太坊区块链数据工具的MCP(模型上下文协议)服务器。功能包括检查ETH余额,查看交易历史记录,跟踪ERC20转移,获取合同ABIS,监视汽油价格以及解决ENS名称。
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MCP Etherscan Server
An MCP (Model Context Protocol) server that provides Ethereum blockchain data tools via Etherscan's API. Features include checking ETH balances, viewing transaction history, tracking ERC20 transfers, fetching contract ABIs, monitoring gas prices, and resolving ENS names.
Features
- Balance Checking: Get ETH balance for any Ethereum address
- Transaction History: View recent transactions with detailed information
- Token Transfers: Track ERC20 token transfers with token details
- Contract ABI: Fetch smart contract ABIs for development
- Gas Prices: Monitor current gas prices (Safe Low, Standard, Fast)
- ENS Resolution: Resolve Ethereum addresses to ENS names
Prerequisites
- Node.js >= 18
- An Etherscan API key (get one at https://etherscan.io/apis)
Installation
- Clone the repository:
git clone [your-repo-url]
cd mcp-etherscan-server
- Install dependencies:
npm install
- Create a
.env
file in the root directory:
ETHERSCAN_API_KEY=your_api_key_here
- Build the project:
npm run build
Running the Server
Start the server:
npm start
The server will run on stdio, making it compatible with MCP clients like Claude Desktop.
How It Works
This server implements the Model Context Protocol (MCP) to provide tools for interacting with Ethereum blockchain data through Etherscan's API. Each tool is exposed as an MCP endpoint that can be called by compatible clients.
Available Tools
-
check-balance
- Input: Ethereum address
- Output: ETH balance in both Wei and ETH
-
get-transactions
- Input: Ethereum address, optional limit
- Output: Recent transactions with timestamps, values, and addresses
-
get-token-transfers
- Input: Ethereum address, optional limit
- Output: Recent ERC20 token transfers with token details
-
get-contract-abi
- Input: Contract address
- Output: Contract ABI in JSON format
-
get-gas-prices
- Input: None
- Output: Current gas prices in Gwei
-
get-ens-name
- Input: Ethereum address
- Output: Associated ENS name if available
Using with Claude Desktop
To add this server to Claude Desktop:
-
Start the server using
npm start
-
In Claude Desktop:
- Go to Settings
- Navigate to the MCP Servers section
- Click "Add Server"
- Enter the following configuration:
{ "name": "Etherscan Tools", "transport": "stdio", "command": "node /path/to/mcp-etherscan-server/build/index.js" }
- Save the configuration
-
The Etherscan tools will now be available in your Claude conversations
Example Usage in Claude
You can use commands like:
Check the balance of 0x742d35Cc6634C0532925a3b844Bc454e4438f44e
or
Show me recent transactions for vitalik.eth
Development
To add new features or modify existing ones:
- The main server logic is in
src/server.ts
- Etherscan API interactions are handled in
src/services/etherscanService.ts
- Build after changes:
npm run build
License
MIT License - See LICENSE file for details
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Reviews

user_ycrBlETx
As a dedicated user of the MCP SQLite Server by jparkerweb, I am thoroughly impressed by its seamless integration and performance. The server is incredibly efficient, reliable, and easy to set up, making it perfect for both beginners and advanced users. The support and documentation are top-notch, ensuring smooth deployment and usage. Highly recommended for anyone seeking a robust SQLite server solution!