Etherscan API MCP README | AllMCPs

Etherscan API MCP README

The full upstream README, mirrored here for reference. Install config, tool schemas, adoption signals, and an original overview live on the Etherscan API MCP listing page.

Back to Etherscan API MCP View source on GitHub

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):

config.json

{
  "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