Development

Pre-landing PR review. (gstack)

Systematically QA test a web application and fix bugs found. (gstack)

Report-only QA testing. (gstack)

Eng manager-mode plan review. (gstack)

Interactive developer experience plan review. (gstack)

Pair a remote AI agent with your browser. (gstack)

Land and deploy workflow. (gstack)

Live developer experience audit. (gstack)

Design shotgun: generate multiple AI design variants, open a comparison board, collect structured feedback, and iterate. (gstack)

Design finalization: generates production-quality Pretext-native HTML/CSS. (gstack)

Fast headless browser for QA testing and site dogfooding. (gstack)

Auto-review pipeline — reads the full CEO, design, eng, and DX review skills from disk and runs them sequentially with auto-decisions using 6 decision principles. (gstack)

Invoke when the user works with Unreal Engine 5 or asks about C++/Blueprints, GAS, replication, Nanite, Lumen, CommonUI, Enhanced Input, or World Partition. Triggers on: "Unreal", "UE5", "Blueprint", "GAS", "Nanite", "Lumen", "CommonUI", "Enhanced Input", "World Partition", ".uproject". Do NOT invoke for engine-agnostic architecture (use game-technical-director) or Godot/Unity questions. Part of the AlterLab GameForge collection.

Invoke when the user works with Unity or asks about C#, MonoBehaviour, DOTS/ECS, Shader Graph, Addressables, UI Toolkit, URP/HDRP, or ScriptableObjects. Triggers on: "Unity", "MonoBehaviour", "DOTS", "ECS", "Shader Graph", "Addressables", "UI Toolkit", "URP", "HDRP", "ScriptableObject", ".unity", ".cs". Do NOT invoke for engine-agnostic architecture (use game-technical-director) or Godot/Unreal questions. Part of the AlterLab GameForge collection.

Run a game development post-mortem rooted in the GDC tradition. Triggers on: "retrospective", "retro", "post-mortem", "lessons learned", "what went right", "what went wrong", "kill list review". Do NOT invoke for design document review (use game-design-review) or playtesting (use game-playtest). Part of the AlterLab GameForge collection.

Produces a private strategic preparation document for the user before a meeting that matters. Captures stakes, stakeholder positions and reads, ranked desired outcomes, key messages, anticipated questions with prepared responses, risks and tensions, specific asks, and success signals. Distinct from meeting-agenda because this artifact is not shared with attendees; it is the user's personal tactical prep for meetings where positioning matters.

Safely modifies Xcode projects (.pbxproj) to add Swift Packages and link files. Use this skill whenever an iOS project needs dependencies installed (e.g. Firebase, Alamofire).

Sets up, manages, and executes queries against Cloud Firestore database instances, including advanced native full-text search and relational joins using pipelines. You MUST unconditionally activate this skill if you plan to use Firestore in any way. Use when listing or creating Firestore databases, configuring security rules, designing data models, writing client SDK queries (including search/joins), or checking indexes.

Builds and deploys Firebase SQL Connect (aka Firebase Data Connect) backends with PostgreSQL securely. Use when designing schemas with tables and relations, writing authorized queries and mutations, configuring real-time data updates, or generating type-safe SDKs. Use when you need a relational database with Firebase, or when the user mentions SQL Connect or Data Connect.

Guide for setting up and using Firebase Authentication. Use this skill when the user's app requires user sign-in, user management, or secure data access using auth rules.

Deploy and manage web apps with Firebase App Hosting. Use this skill when deploying Next.js/Angular apps with backends.

Official skill for integrating Firebase AI Logic (Gemini API) into web applications. Covers setup, multimodal inference, structured output, and security.

Build native UI with the @expo/ui package: real SwiftUI on iOS and Jetpack Compose on Android rendered from React in an Expo or React Native app. Covers universal cross-platform components (Host, Column, Row, Button, Text, List, and more imported from @expo/ui), drop-in replacements for popular React Native community libraries (BottomSheet, DateTimePicker, Slider, Menu, etc.), and platform-specific SwiftUI (@expo/ui/swift-ui, iOS only) and Jetpack Compose (@expo/ui/jetpack-compose, Android on...

Use when the user asks to automate browser tasks, scrape websites, fill forms, capture screenshots, extract structured data from web pages, or build web automation workflows. NOT for testing — use playwright-pro for that.