Refactoring
Code restructuring and optimization
unity-cleaner
by Besty0728
"Project cleanup utilities. Use when users want to find unused assets, duplicate files, or clean up the project. Triggers: unused, duplicate, cleanup, optimize, dead code, orphan, Unity清理, Unity未使用, 重复文件."
image-enhancer
by ComposioHQ
Improves the quality of images, especially screenshots, by enhancing resolution, sharpness, and clarity. Perfect for preparing images for presentations, documentation, or social media posts.
meeting-notes-and-actions
by ComposioHQ
Turn meeting transcripts or rough notes into crisp summaries with decisions, risks, and owner-tagged action items; use for Zoom/Meet/Teams transcripts, call notes, or long meeting chats to generate share-ready outputs.
testing-principles
by shinpr
Language-agnostic testing principles including TDD, test quality, coverage standards, and test design patterns. Use when writing tests, designing test strategies, or reviewing test quality.
ask
by bfly123
Async via ask, end turn immediately; use when user explicitly delegates to any AI provider (gemini/codex/opencode/droid); NOT for questions about the providers themselves.
application-performance-performance-optimization
by sickn33
"Optimize end-to-end application performance with profiling, observability, and backend/frontend tuning. Use when coordinating performance optimization across the stack."
architecture-patterns
by sickn33
Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use when architecting complex backend systems or refactoring existing applications for better maintainability.
video-transcript-downloader
by steipete
Download videos, audio, subtitles, and clean paragraph-style transcripts from YouTube and any other yt-dlp supported site. Use when asked to “download this video”, “save this clip”, “rip audio”, “get subtitles”, “get transcript”, or to troubleshoot yt-dlp/ffmpeg and formats/playlists.
analytics-tracking
by sickn33
Design, audit, and improve analytics tracking systems that produce reliable, decision-ready data. Use when the user wants to set up, fix, or evaluate analytics tracking (GA4, GTM, product analytics, events, conversions, UTMs). This skill focuses on measurement strategy, signal quality, and validation— not just firing events.
tdd
by Yeachan-Heo
Test-Driven Development enforcement skill - write tests first, always
meta-ads
by kostja94
When the user wants to set up, optimize, or manage Meta (Facebook/Instagram) Ads. Also use when the user mentions "Meta Ads," "Facebook Ads," "Instagram Ads," "Meta Pixel," "Conversions API," "Advantage+," "lookalike audience," or "Meta retargeting."
simplify-and-harden
by pskoett
"Post-completion self-review for coding agents that runs simplify, harden, and micro-documentation passes on non-trivial code changes. Use when: a coding task is complete in a general agent session and you want a bounded quality and security sweep before signaling done. For CI pipeline execution, use simplify-and-harden-ci."
cobrapy
by K-Dense-AI
Constraint-based metabolic modeling (COBRA). FBA, FVA, gene knockouts, flux sampling, SBML models, for systems biology and metabolic engineering analysis.
swiftui-liquid-glass
by steipete
Implement, review, or improve SwiftUI features using the iOS 26+ Liquid Glass API. Use when asked to adopt Liquid Glass in new SwiftUI UI, refactor an existing feature to Liquid Glass, or review Liquid Glass usage for correctness, performance, and design alignment.
clean-code
by wondelai
'Write readable, maintainable code through disciplined naming, small functions, and clean error handling. Use when the user mentions "code review", "naming conventions", "function too long", "code smells", or "readable code". Covers SRP, comment discipline, formatting, and unit testing. For refactoring techniques, see refactoring-patterns. For architecture, see clean-architecture.'
asc-xcode-build
by rudrankriyam
Build, archive, and export iOS/macOS apps with xcodebuild before uploading to App Store Connect. Use when you need to create an IPA or PKG for upload.
tdd
by Yeachan-Heo
Test-Driven Development enforcement skill - write tests first, always
embedded-systems
by Jeffallan
Use when developing firmware for microcontrollers, implementing RTOS applications, or optimizing power consumption. Invoke for STM32, ESP32, FreeRTOS, bare-metal, power optimization, real-time systems.
java-architect
by Jeffallan
Use when building enterprise Java applications with Spring Boot 3.x, microservices, or reactive programming. Invoke for WebFlux, JPA optimization, Spring Security, cloud-native patterns.
karpathy-guidelines
by forrestchang
Behavioral guidelines to reduce common LLM coding mistakes. Use when writing, reviewing, or refactoring code to avoid overcomplication, make surgical changes, surface assumptions, and define verifiable success criteria.
tdd-workflow
by vudovn
Test-Driven Development workflow principles. RED-GREEN-REFACTOR cycle.
dev-desktop-sandbox
by coder
Run isolated mux desktop (Electron) instances (temp MUX_ROOT + free ports)
agent-performance-optimizer
by ruvnet
Agent skill for performance-optimizer - invoke with $agent-performance-optimizer
agent-matrix-optimizer
by ruvnet
Agent skill for matrix-optimizer - invoke with $agent-matrix-optimizer