Developer Tools & Repos Agent Skills for Codex CLI

Analyzes Firebase Crashlytics stack traces to automate triage, identify root causes, and suggest code fixes for Android applications.

Operate Android device capabilities with device_status and device tools, including permissions, location, URL open, share, and settings…

Guides Android app development with Kotlin including creating Activities, Fragments, ViewModels, Jetpack Compose UI, Navigation, Gradle…

Angular development patterns including modules, components, services, dependency injection, signals, and enterprise architecture.

Modernizes Angular code such as components and directives to follow best practices using both automatic CLI migrations and…

Implement Claude API reference architectures for common use cases.

Generates DDD Anti-Corruption Layer for PHP 8.4.

Create pull request from increment feature branch.

Master Godot 4 GDScript patterns including signals, scenes, state machines, and optimization.

Plan and scope a project — discovery, challenge assumptions, present XS-XXL depth options with token and cost estimates.

Enforces robust REST API response structures and prevents common design pitfalls during development and downstream data generation.

Generate API documentation from source code with JSDoc and OpenAPI support

Audits and enhances FastAPI and REST API documentation: missing descriptions, response codes, examples, docstrings, Pydantic models…

Apply this skill when adding an endpoint to apps/api/, authoring a mutation-ack serializer, wiring ManagerFactory, resolving Phase 5A…

Creates RPC-style endpoint following layered architecture (Controller → Manager → Repository).

Complete architecture guide for building features from database to UI.

WHEN designing features App Intent-first so Siri/Shortcuts, widgets, and SwiftUI share logic; NOT UI-first; reuse intents across app.

Reviews App Intents code for intent structure, entities, shortcuts, and parameters.

Implement App Intents for Siri, Shortcuts, Spotlight, widgets, Control Center, and Apple Intelligence on iOS.

Audits App Store submission readiness and rejection risk across current review guidelines, PrivacyInfo.xcprivacy and required-reason APIs…

On-demand access to Apple Developer Documentation via the apple-docs-mcp server.