LSP FAQs

Question 1

What is LSP and what does it do?

Accepted Answer

LSP (Language Server Protocol) is an MCP server that integrates LSP capabilities, offering powerful IDE-like refactoring tools specifically for coding agents and MCP clients like Claude Code. It allows programmatic manipulation of code.

Question 2

Which programming languages are supported by LSP?

Accepted Answer

Currently, LSP provides robust refactoring support for TypeScript/JavaScript and Python projects. It leverages existing language servers for these environments.

Question 3

How do I integrate LSP with Claude Code?

Accepted Answer

After globally installing LSP, simply use the command `/mcp add lsp-mcp` within Claude Code. Your agent can then leverage LSP's refactoring tools by making natural language requests, such as 'Rename the function...' or 'Extract lines...'

Question 4

What specific refactoring actions can LSP perform?

Accepted Answer

LSP enables a range of actions, including renaming files/folders, moving functions between files, extracting code selections into new functions, finding all references to symbols, and consistently renaming symbols across your codebase.

Question 5

Can LSP be used with other tools besides Claude Code?

Accepted Answer

Yes, LSP functions as a standard MCP server and can be used directly via stdio (`mcp-lsp`) with any other MCP-compliant client, allowing for flexible integration into various development workflows.

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