AI Index

Etherscan

Official Etherscan Web3

Read-only Etherscan V2 blockchain data: balances, transactions, transfers, tokens, contracts, logs.

Official

The registry verified etherscan.io as the publisher’s domain, and the server runs on it.

Registry name
io.etherscan/etherscan-mcp
Version
2.3.0
Transports
Streamable HTTP
Remote endpoints
https://mcp-keyless.etherscan.io/mcphttps://mcp.etherscan.io/mcp
Website
docs.etherscan.io
First published
Sep 4, 2026
Updated
Sep 4, 2026

Add it to a client

Commands and config follow each client’s own MCP docs. Some servers also need an API key or environment variables; see the server’s documentation.

Claude Code 
claude mcp add --transport http etherscan https://mcp-keyless.etherscan.io/mcp
Format from Claude Code’s docs
Codex 
codex mcp add etherscan --url https://mcp-keyless.etherscan.io/mcp
Format from Codex’s docs
Cursor mcp.json 
{
  "mcpServers": {
    "etherscan": {
      "url": "https://mcp-keyless.etherscan.io/mcp"
    }
  }
}
Format from Cursor’s docs
Gemini CLI settings.json 
{
  "mcpServers": {
    "etherscan": {
      "httpUrl": "https://mcp-keyless.etherscan.io/mcp"
    }
  }
}
Format from Gemini CLI’s docs
VS Code .vscode/mcp.json 
{
  "servers": {
    "etherscan": {
      "type": "http",
      "url": "https://mcp-keyless.etherscan.io/mcp"
    }
  }
}
Format from VS Code’s docs

Client compatibility

By transport: whether the client’s docs list a transport this server offers. It doesn’t cover sign-in or other requirements.

Agent Skills: Etherscan

etherscan

Sources

This data comes from the Official MCP Registry.