LocalFree

Function Lookup MCP server

osinmv/function-lookup-mcp

Look up function signatures.

4 GitHub stars2 forks

Install Function Lookup in Claude Code

This server doesn't publish a package to a registry, so follow the install steps in its README. Once it runs, register it with Claude Code:

Claude Code
claude mcp add function-lookup -- <command to start the server>

Frequently asked questions

What does the Function Lookup MCP server do?

Look up function signatures.

Is the Function Lookup MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Function Lookup run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Function Lookup to Claude Code?

Follow the install steps in the project's README at https://github.com/osinmv/function-lookup-mcp, then register it with "claude mcp add".

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