Video editing, thumbnails, comics, and audio (3.2K skills)
Discover failure modes in Coval runs, uploaded conversations or local conversation exports using scoped sampling and transcript, audio and trace evidence. Prepare human review without inventing ground truth or launching new runs.
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Download audio recordings from Coval voice simulations. Use when user wants to listen to or analyze call recordings.
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Image optimization analysis for SEO and performance. Checks alt text, file sizes, formats, responsive images, lazy loading, CLS prevention, image SERP rankings (via DataForSEO), and image file optimization (WebP/AVIF conversion, IPTC/XMP metadata injection). Use when user says "image optimization", "alt text", "image SEO", "image size", "image audit", "optimize images", "image metadata", "image SERP", "convert to webp", or "image file optimize".
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AI image generation for SEO assets: OG/social preview images, blog hero images, schema images, product photography, infographics. Powered by Gemini via nanobanana-mcp. Requires banana extension installed. Use when user says "generate image", "OG image", "social preview", "hero image", "blog image", "product photo", "infographic", "seo image", "create visual", "image-gen", "favicon", "schema image", "pinterest pin", "generate visual", "banner", or "thumbnail".
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Use whenever a form needs to accept ONE image and produce permanent public URLs for one or more platform-specific sizes (OG image, social posts, avatars, logos, favicons, app icons). Replaces every legacy image-URL input, single-size uploader, and base64-data-URL flow. Triggers when you see a manual `<input type="url">` for an image, a single-size uploader, or anywhere a `dataUrl` could leak into a clipboard or a saved record.
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The TTS/STT/audio-playback system behind the one `speak()` entry point. Use when working on read-aloud, the Listen panel, voice/speed settings, transcription, mic capture, SpeakerButton, iOS playing silence, audio API routes, or files in features/audio/, features/tts/, hooks/tts/, app/api/audio/.
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Adding a file type or upgrading any of its capability slots in the files feature (preview, edit, thumbnail, grid card, info, share, versions, conversion, diff, rail panel). Use when supporting a new extension or MIME type, building a previewer, touching FILE_TYPES, PreviewKind, FilePreview.tsx, EDITABLE_KINDS, or surfaces/single-file/, or working the FILE_SURFACES.md wishlist.
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Printing and PDF export for AI response blocks and messages via @ai-matrx/print. Use when adding a print button or BlockPrinter to a render block, wiring PrintOptionsDialog/usePrintOptions, captureBlockElement, or useDomCapturePrint, or when a print window shows no images or a print fails silently.
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Export a Remotion video
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Create a new Remotion video
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Preview a Remotion video
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Create a new Remotion video
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Preview a Remotion video
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Export a Remotion video
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Best practices for Remotion - Video creation in React
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Summarize URLs or files with the summarize CLI (web, PDFs, images, audio, YouTube). Use when you need fast CLI-based summaries from local or remote sources.
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Three.js asset loading - GLTF, textures, images, models, async patterns. Use when loading 3D models, textures, HDR environments, or managing loading progress.
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Use when the user asks to generate or edit images via the OpenAI Image API (for example: generate image, edit/inpaint/mask, background removal or replacement, transparent background, product shots, concept art, covers, or batch variants); run the bundled CLI (`scripts/image_gen.py`) and require `OPENAI_API_KEY` for live calls.
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Three.js textures - texture types, UV mapping, environment maps, texture settings. Use when working with images, UV coordinates, cubemaps, HDR environments, or texture optimization.
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Automatically fetch YouTube transcripts, generate structured summaries, and send full transcripts to messaging platforms. Use when a request includes YouTube URLs and needs metadata, key insights, or downloadable transcripts.
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Best practices for Remotion video creation in React. Use when building, reviewing, or optimizing Remotion compositions, animation timing, assets, captions, and render pipelines.
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Marpスライドを各種形式（PDF, PNG, PPTX, HTML）にエクスポートするスキル。「PDFに変換」「スライドを書き出し」「画像で出力」「PowerPointにエクスポート」などのリクエストに対応。
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Marpスライドの表示崩れ・レイアウト問題の診断と修正。文字はみ出し、画像サイズ問題、PDF書き出し崩れを解決。「スライドの見た目を修正」「文字がはみ出す」などのリクエスト時に使用。
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Marpプレゼンテーションフレームワークの包括的な知識ベース。構文、ディレクティブ、テーマシステム、画像構文などの詳細情報を提供。他のMarpスキル(marp-markdown, marp-visual-fix, marp-theme-creator)から参照される基盤スキル。
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