Xcode MCP Server

A Model Context Protocol server for building Xcode projects directly from LLM applications

The Xcode MCP Server provides a Model Context Protocol interface for building and testing Xcode projects. It enables AI assistants to directly trigger builds, run tests, monitor progress, and access logs through a standardized interface.

Features

Build Xcode projects with custom schemes and configurations
Run unit tests with granular control (run specific tests or skip tests)
Generate code coverage reports
Stream build and test logs in real-time
Access detailed build and test reports
JSON-formatted output
Automatic log persistence

Requirements

Node.js 16+
Xcode Command Line Tools
TypeScript
MCP-compatible client (e.g., Claude Desktop)

Installation

# Clone the repository
git clone https://github.com/PolarVista/Xcode-mcp-server.git
cd xcode-mcp-server

# Install dependencies
npm install

# Build the server
npm run build

Usage with Claude Desktop

Start the server: bash npm run start /path/to/build/logs/directory
In Claude Desktop settings: "xcode-build": { "command": "node", "args": ["/path/to/the/xcode-mcp-server/build/index.js", "/path/to/your/project/folder"], "env": { "PATH": "/usr/bin:/bin:/usr/local/bin:/usr/sbin:/sbin" }

Available Tools

build_project

Builds an Xcode project with specified parameters.

Parameters: - projectPath (required): Path to the .xcodeproj or .xcworkspace - scheme (required): Build scheme name - configuration (optional): Build configuration (Debug/Release, defaults to Debug) - destination (optional): Build destination (defaults to "platform=iOS Simulator,name=iPhone 15 Pro")

Example usage in Claude:

build_project({
  projectPath: "/path/to/Project.xcodeproj",
  scheme: "MyApp",
  configuration: "Debug"
})

run_tests

Runs unit tests with optional filtering.

Parameters: - projectPath (required): Path to the .xcodeproj or .xcworkspace - scheme (required): Test scheme name - testIdentifier (optional): Specific test to run (e.g., 'MyTests/testExample') - skipTests (optional): Array of test identifiers to skip - configuration (optional): Build configuration (Debug/Release, defaults to Debug) - destination (optional): Test destination (defaults to "platform=iOS Simulator,name=iPhone 15 Pro")

Example usage in Claude:

run_tests({
  projectPath: "/path/to/Project.xcodeproj",
  scheme: "MyAppTests",
  testIdentifier: "LoginTests/testSuccessfulLogin",
  skipTests: ["PerformanceTests/testLargeDataLoad"],
  configuration: "Debug"
})

Logs

All logs are stored in the specified base directory under build-logs/
Build operations create:
Plain text log (build-[timestamp].log)
JSON-formatted log (build-[timestamp].log.json)
Xcode report (report-[timestamp].txt)
Test operations create:
Test log (test-[timestamp].log)
JSON-formatted log (test-[timestamp].log.json)
Test report (test-report-[timestamp].txt)
Code coverage report (coverage-[timestamp].txt)
Latest log (build or test) is accessible via the xcode-build://latest-log resource