etherscan-mcp
This project is a dynamic MCP server for interacting with Etherscan's API and services. Built in TypeScript, it provides tools for developers to easily test and debug their server. It also allows inspection of the server using the MCP Inspector with a web UI.
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@xiaok/etherscan-mcp
A dynamic MCP server for interacting with Etherscan's API and services.
Running Your Server
Test with mcp-cli
The fastest way to test and debug your server is with fastmcp dev:
npx fastmcp dev src/index.ts
This will run your server with mcp-cli for testing and debugging your MCP server in the terminal.
Inspect with MCP Inspector
Another way is to use the official MCP Inspector to inspect your server with a Web UI:
npx npx fastmcp inspect src/index.ts
FAQ
How to use with Claude Desktop?
Follow the guide https://modelcontextprotocol.io/quickstart/user and add the following configuration:
{
"mcpServers": {
"etherscan_mcp": {
"command": "npx",
"args": ["tsx", "/PATH/TO/YOUR_PROJECT/src/index.ts"],
"env": {
"ETHERSCAN_API_KEY": "********"
}
}
}
}
API Doc
https://docs.etherscan.io/etherscan-v2
support chain list: https://docs.etherscan.io/etherscan-v2/getting-started/supported-chains
Please note that not all endpoints are supported by all chains. Please find support list here: https://forms.blockscan.com/public/grid/3E9QiN00NLhCQVibiP3Z-Bpqhmd7zGXsgapEKJupxiI
TODO
- support pro api