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Found 2,171 Skills
Help users define problems clearly before jumping to solutions. Use when someone is scoping a new feature, validating a product idea, struggling to articulate what they're building, or falling into the "shiny object trap" with new technology.
Control LLM output with regex and grammars, guarantee valid JSON/XML/code generation, enforce structured formats, and build multi-step workflows with Guidance - Microsoft Research's constrained generation framework
Converts documents to markdown with multi-tool orchestration for best quality. Supports Quick Mode (fast, single tool) and Heavy Mode (best quality, multi-tool merge). Use when converting PDF/DOCX/PPTX files to markdown, extracting images from documents, validating conversion quality, or needing LLM-optimized document output.
Build new agent skills. Use when creating diagnostic frameworks, CLI tools, or data-driven generators that follow the established skill patterns.
Performs technical SEO audits covering site speed, crawlability, indexability, mobile-friendliness, security, and structured data. Identifies technical issues preventing optimal search performance.
Sync and validate App Store metadata and localizations with asc, including Fastlane format migration. Use when updating metadata or translations.
Use when Codex is building or iterating on a web game (HTML/JS) and needs a reliable development + testing loop: implement small changes, run a Playwright-based test script with short input bursts and intentional pauses, inspect screenshots/text, and review console errors with render_game_to_text.
This skill should be used when the user asks about "Server Actions", "form handling in Next.js", "mutations", "useFormState", "useFormStatus", "revalidatePath", "revalidateTag", or needs guidance on data mutations and form submissions in Next.js App Router.
Video creation skill. Combine images and audio to generate videos, supporting TTS dubbing, fade-in/fade-out transitions, subtitles, outro, and BGM. Triggered when users mention phrases like 'generate video', 'make video', 'educational video', 'image-to-video', 'create video account content', 'dubbed video', 'image-text integrated video', 'ancient poetry video', 'story video'. Includes the full workflow of image generation → dubbing → video synthesis, no need to call image-service separately.
Verification loop for Spring Boot projects: build, static analysis, tests with coverage, security scans, and diff review before release or PR.
Review and analyze a skill against best practices for length, intent scope, and trigger patterns
Shuffle repetitive JSON objects safely by validating schema consistency before randomising entries.