sourcekit-lsp

SourceKit-LSP Plugin for Claude Code

A Claude Code marketplace plugin that provides Swift and Objective-C language server support via Apple's SourceKit-LSP.

Features

• Jump to Definition - Navigate to symbol definitions instantly
• Find References - Find all usages of a symbol across your codebase
• Code Completion - Get intelligent completions as you type
• Real-time Diagnostics - See errors and warnings as you code
• Symbol Search - Search for symbols across your workspace

Supported File Types

• .swift - Swift
• .m - Objective-C
• .mm - Objective-C++
• .h - C/Objective-C headers

Requirements

• macOS with Xcode installed (SourceKit-LSP ships with Xcode)
• Claude Code 2.0.65+

Installation

1. Open Claude Code
2. Run /plugin
3. Go to Marketplaces tab
4. Add: tjzaks/sourcekit-lsp-marketplace
5. Go to Discover tab
6. Select and install sourcekit-lsp

Usage

Once installed, Claude Code will automatically use SourceKit-LSP when working with Swift files, enabling faster and more accurate code navigation.

Author

Tyler Szakacs - Szakacs Media Company

Quickstart TL;DR

1. Open Claude Code
2. Run /plugin
3. Add marketplace: tszaks/sourcekit-lsp-marketplace
4. Install sourcekit-lsp plugin from Discover

How It Works (TL;DR)

• Plugin connects Claude Code to Apple's SourceKit-LSP on macOS
• Swift/Objective-C language intelligence is routed through SourceKit-LSP
• Claude tooling gets stronger symbol navigation and diagnostics support

LLM Quick Copy

Use the copy button on this code block in GitHub.

Repo: sourcekit-lsp-marketplace
Goal: Add Swift/Obj-C SourceKit-LSP support to Claude Code.
Setup:
1) Ensure macOS with Xcode installed
2) In Claude Code run /plugin
3) Add marketplace tszaks/sourcekit-lsp-marketplace
4) Install sourcekit-lsp plugin
Use:
- Work in .swift/.m/.mm/.h files with improved definitions/references/diagnostics
How it works:
- Claude plugin -> SourceKit-LSP bridge -> language intelligence from Xcode toolchain