Calesthio

Build prompts for FLUX image generation and editing, with guidance on model selection, lighting, composition, text, and precise colors. It also covers structured scene descriptions using JSON and editing with multiple reference images.

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• Writing prompts for image generation
• Specifying brand colors and text
• Editing with multiple reference images

Implement animation in React with Framer Motion examples based on Disney's 12 animation principles. Add squash and stretch, preparatory movements, smooth acceleration, overlapping motion, and hover or tap responses with defined timing.

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• Adding hover and tap responses to buttons
• Animating jumps with preparation and curved paths
• Revealing list items one after another

Turn written descriptions or Mermaid code into diagrams showing processes, interactions, and data relationships. Choose a color theme and save both SVG files, which stay sharp when enlarged, and high-resolution PNG images.

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• Illustrating workflows and decision trees
• Diagramming API interactions
• Visualizing database relationships

Create short video clips from text or still images with LTX-2.3 22B. Generate supporting footage, animated backgrounds, or moving portraits while specifying camera motion, lighting, dimensions, and duration, with clips around five seconds by default.

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• Generate supporting footage for narrated videos
• Add subtle motion to slide backgrounds
• Animate still portraits

Generate multilingual narration from scripts in OpenMontage using Azure AI Speech. Choose a voice, adjust speaking rate, pitch, and supported delivery styles, then save individual narration segments as MP3 or WAV files.

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• Creating narration for explainer videos
• Generating voiceovers in multiple languages
• Adjusting narration speed and delivery style

Create mathematical and geometric animations in Python with Manim Community Edition. Use guidance, examples, and scene templates to structure animations, display equations, plot graphs, control cameras, and render two-dimensional or three-dimensional scenes.

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• Animating equations and derivations
• Creating function graphs and area visualizations
• Building 3D surfaces with camera movement

Edit local video files with ffmpeg, a command-line media tool. Trim and join clips, resize for social platforms, adjust playback speed, extract or replace audio, add image overlays, and export compressed or converted files.

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• Trimming and joining video clips
• Resizing videos for social platforms
• Extracting or replacing audio

Transcribe audio with Azure AI Speech and obtain word timestamps, speaker labels, and language identification. Use the resulting transcript in OpenMontage subtitle workflows, with a compatible local transcription fallback when Azure is unavailable.

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• Transcribing recorded audio
• Preparing timestamps for video subtitles
• Labeling speakers in interviews

Create HeyGen avatar videos with a chosen presenter, voice, exact script, and backgrounds for each scene. Use photos as presenters, generate transparent WebM files for compositing, or produce batches of videos with consistent specifications.

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• Have a chosen avatar read an exact script
• Create multiple scenes with different backgrounds
• Generate transparent WebM files for compositing

Translate and dub existing videos with HeyGen to create versions in multiple languages. Preserve the speaker’s voice characteristics, match lip movements to translated speech, or choose audio-only translation without adjusting the video’s lip movements.

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• Create multilingual versions of a product demo
• Dub videos with matching lip movements
• Translate audio without changing lip movements

Build voice assistants and conversational characters with ElevenLabs. Configure voices, language models, and external tools, then connect conversations to a website widget or use Twilio integration for outbound phone calls.

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• Creating a voice bot for customer support
• Embedding a voice assistant on a website
• Building an interactive voice character

Review web interface code against the latest Web Interface Guidelines to identify issues in design, usability, and accessibility. Specify files or a file pattern, and receive concise findings with file names and line numbers.

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• Review the code behind a web interface
• Check accessibility against the guidelines
• Request a design or usability review

Download videos, audio, and subtitles from YouTube and other supported sites using yt-dlp. Choose resolution and output filenames, extract MP3 audio, or inspect titles, durations, and other video details without downloading the media.

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• Saving videos at a chosen resolution
• Extracting MP3 audio from a video URL
• Downloading subtitles without the video

Create Three.js shapes, custom meshes, 3D text, and point clouds. Explains vertex editing and geometry utilities, plus instancing, a technique for efficiently drawing many copies of the same shape with different positions, sizes, or colors.

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• Creating basic solids and path-based 3D shapes
• Building and modifying custom meshes
• Displaying 3D text, point clouds, and wireframes

Refactor React components with too many true-or-false options into reusable parts. Provides guidance on component composition, shared state, and flexible interfaces, with examples of good and problematic implementations and specific guidance for React 19.

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• Refactoring components with too many boolean options
• Designing reusable component libraries
• Reviewing shared state and component architecture

Set up lighting and shadows in Three.js scenes. Choose light types, create outdoor or studio lighting, use environment images to illuminate materials, and tune shadow settings to balance appearance with rendering performance.

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• Create sunlight and sky lighting outdoors
• Set up studio or three-point lighting
• Use HDR images for environment lighting

Build asset loading for Three.js scenes, including 3D models, textures, and HDR images for backgrounds and reflections. Coordinate multiple files, track loading progress, reuse cached assets, and handle failures with retries or fallback files.

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• Load GLTF/GLB models into a Three.js scene
• Show loading progress across multiple assets
• Use HDR images for backgrounds and reflections

Style Three.js objects with realistic, cartoon, or custom materials. Choose material types, adjust textures and reflections, create glass or metal effects, and use shader code for custom appearance while considering rendering performance.

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• Give 3D objects metal or glass surfaces
• Create cartoon-style shading
• Adjust textures and environmental reflections

Add glow, depth-based blur, color correction, and other finishing effects to Three.js scenes. Covers combining effects with EffectComposer, writing custom shaders for screen effects, handling window resizing, and adjusting rendering workload.

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• Adding glow to objects in a 3D scene
• Adjusting background blur and scene colors
• Highlighting selected objects with outlines

Plan and scope production work with Odyssey's real-time interactive video world models (odyssey.ml — Odyssey-1/Odyssey-2/Starchild-1/Agora-1). Use when a request involves generating video that a user steers live with keyboard, text, speech, or controller input (streamed frames that respond in the moment), or when someone must decide between Odyssey-style interactive generation and offline clip generators (Sora/Veo/Kling) or downloadable 3D / game engines. Covers what is verified versus announced, current access routes, latency and coherence limits, feasible-now versus speculative use cases, pricing/access terms, and content/rights considerations. This is a fast-moving research-stage product; the skill teaches honest scoping, not a promise of production reliability.

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Build production OpenAI Realtime voice agents and low-latency spoken interactions with live audio sessions, WebRTC or WebSocket transport, voice activity detection, tool/function calling, prompt design, logging, consent, privacy, safety, latency, and cost controls. Use for speech-to-speech agents and live voice UX; do not use for separate request-based transcription, text-to-speech, or offline audio generation work.

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Generate persistent, explorable 3D worlds/environments with Marble by World Labs — from text, a single image, multiple images, video, or a 360 panorama, plus coarse-structure blocking with Chisel. Use this skill when a task needs a navigable 3D scene, VR/immersive backdrop, virtual-production environment, previz set, game-blockout, or web/engine-ready Gaussian splat or mesh, and you must choose an input mode, a Marble model, an export format, and a plan/API route, then review world quality. Covers the Marble web app and the World API, editing/expansion, output formats and what each supports downstream, import into Unity/Unreal/Blender/Houdini/web, pricing/credits, capability limits, and rights/licensing. Not for flat text-to-image, text-to-video clips, or real-time on-the-fly world models (Marble outputs are downloadable, static 3D environments).

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Generate music with Suno (v5 / v5.5 era, 2026) and advise a production team on what they may legally do with the output. Use this skill when a user wants to create, extend, remaster, or stem-separate a track in Suno; craft Suno prompts (style field, lyrics/metatags, exclude-styles, personas, custom voices); choose a subscription tier for a given use; or get accurate answers about ownership, commercial rights, distribution/monetization on DSPs, the Warner Music Group settlement, the ongoing label/publisher litigation, and Suno's API situation. Do not use it for other music generators (Udio, ElevenLabs Music, Google Lyria) except by explicit contrast, and do not use it as a substitute for a lawyer on a specific commercial deal.

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Select, run, and govern NVIDIA Cosmos world-video generation across Cosmos 3 Generator, Predict2.5, Transfer2.5, downloadable checkpoints, self-hosted NIMs, and hosted preview surfaces. Use for text/image/video-to-world, controlled world transfer, multiview or action-conditioned physical-AI video, local checkpoint pinning, hardware planning, inference approval, and output validation; do not use for Cosmos Reason/Embed-only tasks.

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