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How to install Ethereum & EVM Message Signing in Gemini CLI

Gemini CLI was replaced by Antigravity CLI in June 2026. On an enterprise licence or paid API key you can still install Ethereum & EVM Message Signing by running "gemini mcp add ethereum-evm-message-signing uvx signing-mcp-server", then type /mcp to check it.

Built from the published package · server updated yesterday

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add ethereum-evm-message-signing uvx signing-mcp-server
  2. 2

    Check it

    Inside Gemini CLI, type /mcp to list servers and tools.

MCP servers run with your permissions. If Ethereum & EVM Message Signing needs an API key, add it under env in the config. Check its README.

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Questions

Does Ethereum & EVM Message Signing work in Gemini CLI?

Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and Ethereum & EVM Message Signing installs with the steps above.

Ethereum & EVM Message Signing does not show up in Gemini CLI. What now?

Restart Gemini CLI fully, check the JSON is valid, and make sure uv (for uvx) is installed. See common MCP errors and fixes.

Is Ethereum & EVM Message Signing safe?

It scores 67 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.