How to install Ethereum Transaction Builder 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 Transaction Builder by running "gemini mcp add ethereum-transaction-builder uvx transaction-mcp-server", then type /mcp to check it.
Built from the published package · server updated 2 days ago
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Run the install command
In a terminal, run:
gemini mcp add ethereum-transaction-builder uvx transaction-mcp-server - 2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.
MCP servers run with your permissions. If Ethereum Transaction Builder needs an API key, add it under env in the config. Check its README.
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Questions
Does Ethereum Transaction Builder work in Gemini CLI?
Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and Ethereum Transaction Builder installs with the steps above.
Ethereum Transaction Builder 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 Transaction Builder safe?
It scores 67 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.
