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.
python-performance-optimization
Profile and optimize Python code using cProfile, memory profilers, and performance best practices. Use when debugging slow Python code, optimizing bottlenecks, or improving application performance.
employment-contract-templates
Create employment contracts, offer letters, and HR policy documents following legal best practices. Use when drafting employment agreements, creating HR policies, or standardizing employment documentation.
architecture-decision-records
Write and maintain Architecture Decision Records (ADRs) following best practices for technical decision documentation. Use when documenting significant technical decisions, reviewing past architectural choices, or establishing decision processes.
protocol-reverse-engineering
Master network protocol reverse engineering including packet analysis, protocol dissection, and custom protocol documentation. Use when analyzing network traffic, understanding proprietary protocols, or debugging network communication.
hybrid-search-implementation
Combine vector and keyword search for improved retrieval. Use when implementing RAG systems, building search engines, or when neither approach alone provides sufficient recall.
auth-implementation-patterns
Master authentication and authorization patterns including JWT, OAuth2, session management, and RBAC to build secure, scalable access control systems. Use when implementing auth systems, securing APIs, or debugging security issues.
javascript-testing-patterns
Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and test-driven development. Use when writing JavaScript/TypeScript tests, setting up test infrastructure, or implementing TDD/BDD workflows.
dbt-transformation-patterns
Master dbt (data build tool) for analytics engineering with model organization, testing, documentation, and incremental strategies. Use when building data transformations, creating data models, or implementing analytics engineering best practices.
nextjs-app-router-patterns
Master Next.js 14+ App Router with Server Components, streaming, parallel routes, and advanced data fetching. Use when building Next.js applications, implementing SSR/SSG, or optimizing React Server Components.
modern-javascript-patterns
Master ES6+ features including async/await, destructuring, spread operators, arrow functions, promises, modules, iterators, generators, and functional programming patterns for writing clean, efficient JavaScript code. Use when refactoring legacy code, implementing modern patterns, or optimizing JavaScript applications.
istio-traffic-management
Configure Istio traffic management including routing, load balancing, circuit breakers, and canary deployments. Use when implementing service mesh traffic policies, progressive delivery, or resilience patterns.
github-actions-templates
Create production-ready GitHub Actions workflows for automated testing, building, and deploying applications. Use when setting up CI/CD with GitHub Actions, automating development workflows, or creating reusable workflow templates.
binary-analysis-patterns
Master binary analysis patterns including disassembly, decompilation, control flow analysis, and code pattern recognition. Use when analyzing executables, understanding compiled code, or performing static analysis on binaries.
bazel-build-optimization
Optimize Bazel builds for large-scale monorepos. Use when configuring Bazel, implementing remote execution, or optimizing build performance for enterprise codebases.
attack-tree-construction
Build comprehensive attack trees to visualize threat paths. Use when mapping attack scenarios, identifying defense gaps, or communicating security risks to stakeholders.
python-testing-patterns
Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices.
openapi-spec-generation
Generate and maintain OpenAPI 3.1 specifications from code, design-first specs, and validation patterns. Use when creating API documentation, generating SDKs, or ensuring API contract compliance.
hybrid-cloud-networking
Configure secure, high-performance connectivity between on-premises infrastructure and cloud platforms using VPN and dedicated connections. Use when building hybrid cloud architectures, connecting data centers to cloud, or implementing secure cross-premises networking.
godot-gdscript-patterns
Master Godot 4 GDScript patterns including signals, scenes, state machines, and optimization. Use when building Godot games, implementing game systems, or learning GDScript best practices.
go-concurrency-patterns
Master Go concurrency with goroutines, channels, sync primitives, and context. Use when building concurrent Go applications, implementing worker pools, or debugging race conditions.
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