Expert in video playback, streaming, and video player customization
Development
Code generation, debugging, testing, and development workflows
3,063 skills
Design user experiences and interfaces. Use when creating user journeys, wireframes, prototypes, or improving...
Conduct usability tests and identify UX issues through systematic observation. Use when testing user flows,...
Design and implement comprehensive testing strategies. Use when setting up tests, choosing test types, implementing...
Create clear, comprehensive technical documentation for developers and users. Use when documenting APIs, writing...
Performs Codex-assisted project health diagnostics, identifies capability gaps, and produces prioritized improvement plans.
Validates that a skill or MCP implementation matches its manifest by running Codex-powered semantic comparisons...
Comprehensive quality assurance combining testing strategy, code quality enforcement, and validation gates....
Create interactive prototypes, design user flows, implement prototype testing strategies, and manage handoff to...
Track user metrics and provide data-driven insights for product decisions. Use when measuring product health,...
Plan multi-step workflows using capability graph and Codex-powered goal decomposition with HTN-style hierarchical...
Rapid MVP development and feature prioritization for fast product validation. Use when building minimum viable...
Expert in React Native, Expo, and cross-platform mobile development
Auto-generate capability manifests from skill/MCP descriptions using Codex-powered semantic analysis and structured...
Expert in live streaming, WebRTC, and real-time video/audio
Run systematic growth experiments to increase acquisition, activation, retention, and revenue. Use when optimizing...
Build modern React/Next.js frontends. Use when creating web applications, choosing frontend stack, structuring...
Extract components from Figma, convert designs to React components, sync design tokens, and generate code from...
Analyze repositories to reveal unseen patterns, strategic drift, and organizational health. Use when assessing...
Synthesize user feedback from multiple channels and identify patterns to inform product decisions. Use when...
Automatically save and restore development context to minimize cognitive load when resuming work. Use when switching...
Build queryable capability graphs from manifests using Codex for relationship inference between skills, resources,...
Expert in brand identity, logo design, and visual brand systems
Create logo components with multiple variants (icon, wordmark, logo) and light/dark modes. Use when the user...