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.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

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

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

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.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

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

Create 3D objects from text or images, choose catalog assets for repeated scenery, and inspect the results in Blender. The workflow checks geometry, materials, scale, and ground contact while recording asset sources and generation costs.

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• Create a unique 3D object from a text description
• Reconstruct a 3D object from a concept image
• Populate scenery with catalog vegetation and rocks

Replace a face in a video using a source photo and the HeyGen API. The skill covers submitting image and video URLs, checking processing status, and retrieving the finished video, including workflows that personalize generated avatar videos.

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• Replace a face in a recorded video
• Personalize an avatar video with a face photo
• Track processing and retrieve the finished video

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

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.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

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

Create a reusable design guide covering colors, typography, layout, and motion. Extract styles from existing sources or start from scratch, then turn the guide into instructions or code for supported video, slide, and design tools.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Creating a design guide from a desired mood
• Extracting visual rules from a website or brand PDF
• Applying one style to videos, slides, and designs

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.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

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

Generate sound effects and ambient audio from written descriptions using ElevenLabs. Create cinematic impacts, app notification sounds, or background textures, with controls for duration, seamless looping, and how closely the sound follows the description.

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• Create impact sounds for videos
• Generate looping rain or forest ambience
• Make notification sounds for apps

Turn text into standalone speech audio with HeyGen's Starfish model for narration, voiceovers, or podcasts. Choose voices by language or gender, adjust speed and pitch, and add pauses when the selected voice supports them.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Generate narration from a script
• Create speech audio for podcasts
• Find voices by language or gender

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

Transcribe audio and video with ElevenLabs Scribe v2 in over 90 languages. Identify different speakers and capture word timings for meeting records, interviews, and subtitle preparation, with live transcription also covered.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Transcribing meeting recordings with speaker labels
• Preparing timed text for video subtitles
• Transcribing interviews with specialized terms

Guides agents working on Remotion videos built with React to relevant rules and code examples. It covers animation, captions, audio, scene transitions, charts, asset handling, and other common tasks involved in composing and adjusting a video.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Add captions and animated text to a Remotion video
• Adjust audio timing, volume, and scene transitions
• Build animated charts or audio visualizations

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

Build custom visual effects in Three.js using shaders, programs that control shape and surface appearance. Add animated waves, glowing edges, gradients, or dissolving surfaces, and extend existing materials with custom rendering behavior.

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• Animate a surface with wave-like deformation
• Add glowing edges or gradients
• Create a dissolving surface effect

Create explainer, demo, or marketing videos from a written idea using HeyGen's Video Agent. It handles scripts, avatars, visuals, voiceover, pacing, and captions, then provides a download URL when generation finishes.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Create a product demo from a written description
• Turn an explanatory topic into a video
• Draft a marketing video

Inspect video content locally by extracting frames with ffmpeg and transcribing speech with Whisper. The skill produces timestamped image paths, transcript segments, and video details in JSON, giving an agent material for visual review without requiring API keys.

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• Reviewing scenes and speech in a local video
• Transcribing video audio without API keys
• Extracting frames at scene changes or regular intervals

Apply Disney's 12 animation principles to Lottie vector animations exported from After Effects. Use guidance on keyframes, motion paths, and playback controls to shape anticipation, timing, secondary actions, and interactive movement.

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• Adding anticipation and squash-and-stretch to an animation
• Adjusting playback speed and frame ranges
• Coordinating main and secondary animations

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 Remotion videos using the toolkit’s shared backgrounds, comparison layouts, presenter overlays, and custom scene transitions. Apply its 30fps timing conventions and rendering practices to assemble scenes and coordinate them with voiceover.

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• Add glitch or light-leak scene transitions
• Show two videos side by side
• Overlay a presenter or corner logo

Process video and audio with FFmpeg for editing and publishing. Convert formats, resize and compress files, extract audio, trim clips, and change playback speed. Includes recipes for preparing Remotion assets and exporting videos for social platforms and websites.

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• Convert GIF files to MP4
• Resize and compress videos for publishing
• Extract audio and convert audio formats

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.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

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

Build reusable interface components with Tailwind CSS v4, using shared design values for colors, corners, and themes. Covers buttons, forms, responsive layouts, accessibility, and dark mode to help standardize interfaces across a project.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Build a reusable UI component library
• Standardize colors and component styles
• Add responsive layouts and dark mode