LocalFree

Language MCP server

isaacphi/mcp-language-server

Navigate codebases with language server tools: go to definition, find references, rename and diagnostics.

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Install Language 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 language -- <command to start the server>

Frequently asked questions

What does the Language MCP server do?

Navigate codebases with language server tools: go to definition, find references, rename and diagnostics.

Is the Language 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 Language run locally or remotely?

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

How do I add Language to Claude Code?

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

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