Etherscan Mcp Server

Name: Etherscan Mcp Server
Author: junct-bot

Remote

etherscan-api.mcp.junct.devDeveloper Tools0Updated 30w ago

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About Etherscan Mcp Server

Etherscan Mcp Server exposes Etherscan API endpoints as MCP tools for AI agents working with blockchain data and analytics. Its tools are generated deterministically from the API specification and served over hosted Streamable HTTP without an API key.

Key features

01Maps Etherscan API endpoints
02Provides 71 MCP tools
03Uses Streamable HTTP transport
04Requires no API key

Use cases

01Query Etherscan data from an AI agent
02Call blockchain analytics endpoints through an MCP client

MCP support

It exposes Etherscan API tools to compatible MCP clients. Each tool maps to a real API endpoint.

#ethereum #blockchain #defi #etherscan #crypto

Configuration

Remote servers need no local install. Pick your client, then copy the config or install in one click.

Endpointhttps://etherscan-api.mcp.junct.dev/mcp

Copy install command

Claude CodeTerminalclaude mcp add --transport http junct-bot-etherscan-api https://etherscan-api.mcp.junct.dev/mcp

Cursor.cursor/mcp.json{"mcpServers":{"junct-bot-etherscan-api":{"type":"http","url":"https://etherscan-api.mcp.junct.dev/mcp"}}}Open in Cursor

VS Code.vscode/mcp.json{"servers":{"junct-bot-etherscan-api":{"type":"http","url":"https://etherscan-api.mcp.junct.dev/mcp"}}}Open in VS Code

Claude Desktopclaude_desktop_config.json{"mcpServers":{"junct-bot-etherscan-api":{"type":"http","url":"https://etherscan-api.mcp.junct.dev/mcp"}}}

Windsurf~/.codeium/windsurf/mcp_config.json{"mcpServers":{"junct-bot-etherscan-api":{"serverUrl":"https://etherscan-api.mcp.junct.dev/mcp"}}}

Run commands in a terminal; paste JSON into the client’s MCP config and restart. Servers that need sign-in will prompt on first connect.

Tools

Details

From the project README

Etherscan MCP Server

MCP server for Etherscan. Agent-ready API for Etherscan.

Hosted at etherscan-api.mcp.junct.dev/mcp. Free to use. No auth. No API key required.

Part of Junct — the agent-readiness layer for web3.

Quick Start

Add to your MCP client config (Claude Desktop, Cursor, Windsurf):

{
  "mcpServers": {
    "etherscan-api": {
      "url": "https://etherscan-api.mcp.junct.dev/mcp",
      "transport": "streamable-http"
    }
  }
}

About

This MCP server is deterministically generated from the Etherscan API specification. Every tool maps 1:1 to a real API endpoint — no hallucinated endpoints.

Protocol: Etherscan
Endpoint: https://etherscan-api.mcp.junct.dev/mcp
Transport: Streamable HTTP
Auth: None required
Documentation: etherscan-api.mcp.junct.dev/llms.txt

Links

Keywords: Etherscan, MCP server, DeFi, AI agent, agent-ready API, crypto tools, Model Context Protocol

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Read the getting-started guide

An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.