Etherscan MCP Server

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junct-bot

关于 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

Etherscan MCP Server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

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

Etherscan MCP Server 工具

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概览

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

常见问题

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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