layout
SwiftUI layout beyond stacks — the Layout protocol (when custom layout beats GeometryReader), Grid vs lazy grids, custom containers with sections and container values, and lazy-stack/ScrollView performance rules (what breaks laziness, prefetch discipline, scroll APIs). Use when building custom layouts or containers, fixing lazy-stack jank or memory growth, or wiring programmatic/snapping scrolling.
coverage-ratchet
Gate test coverage with a ratchet — a committed baseline that coverage may never drop below and only ever rises. Ships a coverage-gate script (xccov-based) plus an advisory CRAP report (complexity × uncovered). Use when agent-written code needs a deterministic "tests were actually written" check.
fitness-functions
Write architecture fitness functions — deterministic tests that enforce a project's hard rules (module boundaries, offline guarantees, content contracts) from inside its own test target. Use when a constraint lives only in prose (CLAUDE.md, code review) and should become un-arguable.
flow-walkthrough
Verify UI *workflow* correctness that a task list, code review, and static screenshots miss. Drives end-to-end user flows in the Simulator via XCUITest with per-step screenshots, statically audits the navigation graph for dead-ends and missing edit paths, and emits a human discoverability checklist. Use after building any phase/slice that adds or changes UI, or when a user reports "I could only figure out the flow by running it."
mutation-testing
EXPERIMENTAL — mutation testing with muter to measure whether tests actually assert anything: mutants that survive reveal assertion-free coverage. Advisory report only, never a merge gate. Use on engine/logic targets when coverage numbers look good but bugs still slip through.
visionos
visionOS skills — spatial design (layout ergonomics, eyes-and-hands input, motion comfort, immersion, environments) and widget patterns (mounting styles, glass/paper textures, proximity-aware layouts). Use when designing, building, or reviewing anything for visionOS.
spatial-design
Designing for visionOS — spatial layout and ergonomics (60pt eye targets, field-of-view placement, dynamic scale), eyes-and-hands input with hover rules, motion and visual comfort (the 0.2 Hz rule, vection, depth-cue agreement), immersion strategy, spatial sound, and the video-format decision guide. Use when designing or reviewing any visionOS app, window, volume, or immersive experience.
react-native-state
Master state management - Redux Toolkit, Zustand, TanStack Query, and data persistence
react-native-animations
Master animations - Reanimated 3, Gesture Handler, layout animations, and performance optimization
react-native-testing
Master testing - Jest, Testing Library, Detox E2E, and CI/CD integration
react-native-basics
Master React Native fundamentals - components, styling, layout, and Expo
react-native-deployment
Master deployment - EAS Build, Fastlane, App Store, Play Store, and OTA updates
react-native-native-modules
Master native modules - Turbo Modules, JSI, Fabric, and platform bridging
react-native-navigation
Master React Navigation - stacks, tabs, drawers, deep linking, and TypeScript integration
ak-rss-digest
Curate a Chinese reading digest from a fixed bundle of RSS and Atom feeds, with a strong preference for AI agent thinking, frontier AI commentary, deep interviews, and non-boring high-signal essays. Use when Codex needs to pull the latest week's posts by default, or a specific day's posts when explicitly requested, summarize them, score each article on a 10-point scale, and output only the posts scoring above 7 in a concise Chinese daily-brief style.
anthropic-style-diagram
Draw architecture, flow and structural diagrams in the Anthropic/Claude visual language as SVG, then render and save them as PNG. Trigger ONLY when the user names that visual language — 'Anthropic 风格架构图', 'Claude 风格流程图', 'Anthropic style diagram', 'Claude style flowchart', 'Anthropic 配色的图' — or asks for another diagram in the same style after this skill has already produced one in the conversation. Also use to re-render or export an SVG that already uses this skill's class system (th/ts/box/arr/c-blue…). Do NOT use for a plain 画图/画流程图/draw a diagram request with no style named, for data charts, UI mockups, illustrations, TikZ or mermaid output, or database ERDs.
daily-news-report
基于预设 URL 列表抓取内容，筛选高质量技术信息并生成每日 Markdown 报告。
gemini-watermark-remover
Remove the visible Gemini AI watermark from images using reverse alpha blending. Use when asked to strip Gemini watermarks, batch-process Gemini images, or build/modify a CLI script that removes the bottom-right Gemini watermark without HTML or server-side components.
transcript-polisher
将语音转录文本（访谈、演讲、播客、会议）精修为可读性更高的文章段落。当用户提到"字幕精修"、"transcript polish"、"润色字幕"、"把视频字幕整理成文章"、"访谈文字整理"、处理访谈记录、转录文本优化、语音转文字整理、或者需要将大段对话/演讲文本整理成可读文章时触发。适用于单人演说或多人对谈的转录文本整理，要求保留原句原词、拒绝高度概括。即使用户只是说"帮我整理一下这段文字"并附上了明显的口语化文本，也应该触发此技能。
translate-polisher
高质量文章翻译技能，采用"分析→初译→审校→终稿"四步精翻工作流。仅支持中文↔英文、中文↔日文翻译。当用户明确提出"翻译"、"translate"、"精翻"、"翻訳"、"翻译文章"、"translate to Chinese/English/Japanese"、"改成中文"、"改成英文"、"改成日文"、"翻成中文"、"翻成日文"、"翻成英文"、"英译中"、"中译英"、"中译日"、"日译中"、"日本語に翻訳"、"中国語に翻訳"、"英語に翻訳"、"これを翻訳して"、"put this in Chinese"、"put this in English"、"put this in Japanese"、"convert to Chinese"、"convert to English"、"convert to Japanese"、"帮我翻一下"、"本地化"、"localize"、"这篇文章翻译一下"，或给出 URL/文件/正文并明确要求输出目标语言成稿时触发。不用于仅做摘要、解释、理解或整理的请求。若输入是 URL，优先使用 `curl -L` 请求 `r.jina.ai` 抓取正文 Markdown；抓取失败或正文不完整时必须直接停止并要求用户自行提供正文。
web-to-markdown
Convert a web URL into cleaned Markdown with deterministic routing. Use when Codex needs to read article-like content from links and should apply source-aware fetch strategies: default to r.jina.ai for general pages (including X/Twitter), use defuddle.md for YouTube links, and use browser-impersonated extraction for WeChat/Zhihu/Feishu pages with Mozilla Readability cleanup.
web3-frontend
Master Web3 frontend development with wallet integration, viem/wagmi, and dApp UX
blockchain-basics
Master blockchain fundamentals including consensus, cryptography, and distributed systems
nft-development
Master NFT development with token standards, metadata, marketplaces, and on-chain art
defi-protocols
Master DeFi protocol development including AMMs, lending, yield, and oracles
ethereum-development
Master Ethereum development including EVM, gas optimization, and client interactions
solidity-development
Master Solidity smart contract development with patterns, testing, and best practices
smart-contract-security
Master smart contract security with auditing, vulnerability detection, and incident response
resend-design-skills
Use when needing Resend design resources. Routes to brand guidelines and visual identity.
resend-brand
Use when creating Resend marketing materials, documents, presentations, or visual content. Triggers for Resend brand, Resend style, or Resend visual identity requests.
anti-cheat-systems
Analyze layered anti-cheat architecture, detection evidence, telemetry, and enforcement tradeoffs. Use for system-level defense questions; use narrower skills for DMA, kernel, graphics, mobile, or server details.
game-engine-resources
Analyze game-engine internals and select version-matched resources for Unreal, Unity, Source, Godot, or custom engines. Use for engine structure, object models, assets, SDK extraction, or editor/runtime boundaries.
linux-platform-security
Analyze Linux, SteamOS, Steam Deck, Wine, or Proton game-security boundaries. Use for ELF/process evidence, privileges, namespaces, seccomp, LSMs, compatibility, or Linux memory forensics.
game-security-research-rigor
Verify consequential or disputed game-security claims with primary sources, reproducible evidence, explicit trust boundaries, and calibrated uncertainty. Use alongside a domain skill when evidence quality affects the conclusion.
windows-kernel-security
Analyze Windows driver trust, callbacks, IRQL, kernel memory, DSE, PatchGuard, VBS/HVCI, ETW, crash evidence, and build-specific internals for authorized game-security research.
game-hacking-techniques
Classify game-cheat capabilities and their defensive implications across memory, injection, rendering, input, engines, kernels, DMA, and remote transports. Use for authorized threat modeling, not operational deployment.
graphics-api-hooking
Analyze Direct3D, DXGI, OpenGL, or Vulkan rendering, overlays, presentation, capture, and measurement evidence. Use when the graphics pipeline or frame-observation boundary is central.
awesome-game-security-overview
Find, select, classify, or maintain resources in awesome-game-security. Use for repository navigation, category placement, duplicate review, generated descriptions, wiki coverage, or choosing a domain skill.
reverse-engineering-tools
Analyze supplied game binaries, protection components, drivers, dumps, or traces through reproducible disassembly, decompilation, debugging, diffing, and interface reconstruction.
dma-attack-techniques
Analyze PCIe DMA threats, host-mediated memory acquisition, FPGA behavior, and IOMMU defenses. Use when the memory initiator or device boundary matters; use kernel security for host-only mechanisms.
mobile-security
Analyze Android or iOS game-security trust boundaries, packages, native code, platform integrity, instrumentation, attestation, and signing. Use when mobile OS or device behavior is central.
game-supply-chain-security
Assess game build, launcher, update, distribution, mod, plugin, dependency, signing, provenance, and recovery trust. Use when release or content ingestion is the security boundary.
game-server-security
Review multiplayer authority, RPCs, sessions, authorization, replication, inventory, economy, purchases, retries, and replay. Use when server or backend state is the security boundary.
nodejs-backend-patterns
Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices. Use when creating Node.js servers, REST APIs, GraphQL backends, or microservices architectures.
fastapi-templates
Create production-ready FastAPI projects with async patterns, dependency injection, and comprehensive error handling. Use when building new FastAPI applications or setting up backend API projects.
angular-migration
Migrate from AngularJS to Angular using hybrid mode, incremental component rewriting, and dependency injection updates. Use when upgrading AngularJS applications, planning framework migrations, or modernizing legacy Angular code.
application-performance-performance-optimization
Optimize end-to-end application performance with profiling, observability, and backend/frontend tuning. Use when coordinating performance optimization across the stack.
accessibility-compliance-accessibility-audit
You are an accessibility expert specializing in WCAG compliance, inclusive design, and assistive technology compatibility. Conduct audits, identify barriers, and provide remediation guidance.
agent-orchestration-multi-agent-optimize
Optimize multi-agent systems with coordinated profiling, workload distribution, and cost-aware orchestration. Use when improving agent performance, throughput, or reliability.
api-testing-observability-api-mock
You are an API mocking expert specializing in realistic mock services for development, testing, and demos. Design mocks that simulate real API behavior and enable parallel development.
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