Etherscan Mcp Server

Name: Etherscan Mcp Server
Author: junct-bot

@junct-bot

Repository Homepage

About Etherscan Mcp Server

Etherscan Api MCP server — 71 tools for AI agent access to Etherscan Api (analytics). Hosted by Junct.

#ethereum #blockchain #defi #etherscan #crypto

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "etherscan": {
      "url": "https://etherscan-api.mcp.junct.dev/mcp"
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Etherscan MCP Server?

Etherscan MCP Server is a Model Context Protocol (MCP) server for the Etherscan API. It provides an agent-ready, free-to-use interface for Etherscan data without requiring an API key or authentication. The server is hosted at https://etherscan-api.mcp.junct.dev/mcp and is part of the Junct platform for web3 agent-readiness.

How to use Etherscan MCP Server?

Add the server to your MCP client configuration (e.g., Claude Desktop, Cursor, Windsurf) using the endpoint URL https://etherscan-api.mcp.junct.dev/mcp and the streamable-http transport. No API key or authentication is needed.

Key features of Etherscan MCP Server

Agent-ready API for Etherscan, free to use
No authentication or API key required
Deterministically generated from the official Etherscan API specification
Every tool maps 1:1 to a real Etherscan endpoint — no hallucinated endpoints
Uses Streamable HTTP transport for simple integration

Use cases of Etherscan MCP Server

Querying Ethereum blockchain data (transactions, balances, etc.) through AI agents
Integrating reliable Etherscan endpoints into automated workflows without managing API keys
Building deterministic, non-hallucinating tool interactions for DeFi and crypto applications

FAQ from Etherscan MCP Server

Is an API key or authentication required?

No. The server is free to use and does not require any API key or authentication.

How is this server generated?

It is deterministically generated from the Etherscan API specification. Every tool corresponds to a real API endpoint, so there are no hallucinated or fake endpoints.

What transport does the server use?

It uses Streamable HTTP transport, configured via the URL https://etherscan-api.mcp.junct.dev/mcp.

Where is the server hosted and is it free?

The server is hosted by Junct at https://etherscan-api.mcp.junct.dev/mcp and is completely free to use with no rate limits or API key requirements mentioned.

What documentation is available?

Additional documentation is available at https://etherscan-api.mcp.junct.dev/llms.txt, https://etherscan-api.mcp.junct.dev/agents.md, and an OpenAPI spec at https://etherscan-api.mcp.junct.dev/openapi.json.

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