Desenvolvimento

Expert Android and Java reverse engineering for APK/AAR/JAR decompilation and inspection. Use when user mentions "decompile", "jadx", "apktool", "reverse engineer", or needs to analyze Android binaries, unpack libraries, understand obfuscated apps, or extract resources from compiled artifacts.

Picks random winners from lists, spreadsheets, or Google Sheets for giveaways, raffles, and contests. Ensures fair, unbiased selection with transparency.

Generate comprehensive, maintainable unit tests across languages with strong coverage and edge case focus.

This skill should be used when the user asks to "diagnose context problems", "fix lost-in-middle issues", "debug agent failures", "understand context poisoning", or mentions context degradation, attention patterns, context clash, context confusion, or agent performance degradation. Provides patterns for recognizing and mitigating context failures.

Full safety mode - careful (destructive-command warnings) plus freeze (directory-scoped edits). CARL TRIGGERS: guard mode, safety on, lock everything down, prod safety. SOURCE: garrytan/gstack/guard, integrated as gs-guard on 2026-05-29.

Proves a slice or feature is done by running it. Reads the spec's Done when items, runs the tests that encode them (driving the software where no test exists), captures evidence, stamps the blueprint, and produces a signed report. Runs with fresh eyes — ideally a separate subagent. Run after builder — per slice or final sign-off.

Cria automaticamente changelogs para usuários a partir de commits Git, analisando o histórico de commits, categorizando mudanças e transformando commits técnicos em notas de lançamento claras e amigáveis ao cliente. Transforma horas de escrita manual de changelogs em minutos de geração automatizada.

URL (YouTube, article, X/Twitter thread, podcast) or file path to extract from

PR作成前の品質保証チェックを実行します。Lint、テスト、ビルド、カバレッジ確認を自動で行い、合格/不合格を判定します。フロントエンドのみ、バックエンドのみ、または両方のチェックが可能です。

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

CEO/founder-mode strategic plan review - finds the 10-star product hiding inside the request. CARL TRIGGERS: strategic review, ceo review, rethink this, 10-star product, find the bigger product, strategic challenge. SOURCE: garrytan/gstack/plan-ceo-review, integrated as gs-plan-ceo on 2026-05-29.

Trigger.dev expert for background jobs, AI workflows, and reliable async execution with excellent developer experience and TypeScript-first design. Use when: trigger.dev, trigger dev, background task, ai background job, long running task.