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Cursor

Ethereum & EVM Message Signing for Cursor

io.github.nirholas/signing-mcp-server

Sign Ethereum messages - EIP-191, EIP-712 typed data, Permit2, signature verification and recovery

client:Cursor transport:stdio runtime:pypi

Install Ethereum & EVM Message Signing in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "signing-mcp-server": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "signing-mcp-server"
      ]
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

Ethereum & EVM Message Signing in other clients