LSP Validator

The LSP validator checks Language Server Protocol configuration files for transport settings, language IDs, file extensions, and server commands.

What It Checks

• Transport configuration (stdio, TCP)
• Language ID format and validity
• File extension format
• Server command existence
• Configuration file paths

Rules

This validator includes 6 rules. See the LSP rules category for the complete list.

lsp-invalid-transport

LSP server uses an invalid transport type

Error

lsp-language-id-empty

Language ID field is empty

Error

lsp-extension-missing-dot

File extension is missing the leading dot

Warning

lsp-command-bare-name

Server command uses a bare name instead of explicit path

Warning

CLI Usage

# Validate LSP configuration
claudelint validate-lsp

# Verbose output
claudelint validate-lsp --verbose

See Also

• Claude Code LSP Servers - Official LSP documentation
• Configuration - Customize rule severity