How to install Fastmcp Ts 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 Fastmcp Ts by running "gemini mcp add fastmcp-ts npx -y @prefecthq/fastmcp-ts", then type /mcp to check it.

Built from the published package · server updated 3 days ago

Run the install command

In a terminal, run:

gemini mcp add fastmcp-ts npx -y @prefecthq/fastmcp-ts

2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.

MCP servers run with your permissions. If Fastmcp Ts needs an API key, add it under env in the config. Check its README.

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Questions

Does Fastmcp Ts work in Gemini CLI?

Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and Fastmcp Ts installs with the steps above.

Fastmcp Ts does not show up in Gemini CLI. What now?

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

Is Fastmcp Ts safe?

It scores 83 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.