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mcp/harbor
Gemini CLI

etherscan mcp for Gemini CLI

io.github.mrfentmen/etherscan-mcp

Query the Etherscan v2 API: ETH balance, transactions, ERC-20 transfers.

client:Gemini CLI transport:stdio runtime:npm

Install etherscan mcp in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json 

{
  "mcpServers": {
    "etherscan-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mrfentmen/etherscan-mcp"
      ]
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

etherscan mcp in other clients

etherscan mcp MCP server