Create a new video editing draft with specified dimensions and frame rate.

This tool initializes a new draft project that can be edited by adding videos, audio, text, images, and effects.

Args:

• width (number): Video width in pixels (360-4096, default: 1920)

• height (number): Video height in pixels (360-4096, default: 1080)

• fps (number): Frames per second (24-120, default: 30)

• response_format ('markdown' | 'json'): Output format (default: 'markdown')

Returns: { "draft_id": string, // Unique draft identifier for subsequent operations "width": number, // Video width "height": number, // Video height "fps": number, // Frame rate "duration": number, // Current duration (starts at 0) "created_at": string // ISO timestamp }

Examples:

• Create HD draft: params with width=1920, height=1080

• Create vertical video: params with width=1080, height=1920

• Create 4K draft: params with width=3840, height=2160

Add a video clip to an existing draft with timing, volume, and effects.

This tool adds video content to the timeline with support for transitions, speed adjustments, and volume control.

Args:

• draft_id (string): The draft ID from create_draft

• video_url (string): URL to video file (mp4, mov, avi, mkv, webm, flv)

• start (number): Start time in seconds (>= 0)

• end (number): End time in seconds (> 0)

• volume (number): Audio volume 0.0-1.0 (default: 1.0)

• transition (string): Optional transition effect (fade_in, fade_out, dissolve, wipe, slide, zoom)

• speed (number): Playback speed 0.1-10x (default: 1.0)

• response_format ('markdown' | 'json'): Output format

Examples:

• Add background video: draft_id="abc123", video_url="https://...", start=0, end=10

• Add with slow motion: speed=0.5

• Add with fade in: transition="fade_in"

Add audio track to draft with volume and fade effects.

This tool adds background music or sound effects to the video timeline.

Args:

• draft_id (string): The draft ID

• audio_url (string): URL to audio file (mp3, wav, aac, m4a, flac, ogg)

• start (number): Start time in seconds

• end (number): End time in seconds

• volume (number): Audio volume 0.0-1.0 (default: 1.0)

• fade_in (number): Fade in duration in seconds (default: 0)

• fade_out (number): Fade out duration in seconds (default: 0)

• response_format ('markdown' | 'json'): Output format

Examples:

• Add background music: audio_url="https://...", volume=0.5

• Add with fade: fade_in=2, fade_out=2

Add styled text overlay to video with positioning, colors, shadows, and animations.

This tool creates text elements with full styling control including fonts, colors, backgrounds, shadows, and animations.

Args:

• draft_id (string): The draft ID

• text (string): Text content to display (1-500 characters)

• start (number): Start time in seconds

• end (number): End time in seconds

• font (string): Font family name (optional)

• font_size (number): Font size 12-200 (default: 48)

• font_color (string): Hex color e.g., #FFFFFF (default: #FFFFFF)

• background_color (string): Background hex color (optional)

• background_alpha (number): Background opacity 0.0-1.0 (default: 0.8)

• shadow_enabled (boolean): Enable shadow (default: false)

• shadow_color (string): Shadow hex color (default: #000000)

• position_x (number): Horizontal position 0.0-1.0 (default: 0.5 center)

• position_y (number): Vertical position 0.0-1.0 (default: 0.5 center)

• animation (string): Animation effect (fade_in, slide_up, slide_down, slide_left, slide_right, zoom_in, bounce)

• response_format ('markdown' | 'json'): Output format

Examples:

• Add title: text="Welcome", font_size=72, position_y=0.2, animation="fade_in"

• Add subtitle: text="Subscribe!", font_size=36, background_color="#000000"

Add image overlay to video with positioning, scaling, rotation, and animation.

This tool adds static or animated images to the video timeline.

Args:

• draft_id (string): The draft ID

• image_url (string): URL to image file (jpg, jpeg, png, gif, webp, bmp)

• start (number): Start time in seconds

• end (number): End time in seconds

• position_x (number): Horizontal position 0.0-1.0 (default: 0.5)

• position_y (number): Vertical position 0.0-1.0 (default: 0.5)

• scale (number): Scale multiplier 0.1-5.0 (default: 1.0)

• rotation (number): Rotation angle 0-360 degrees (default: 0)

• animation (string): Animation effect (optional)

• response_format ('markdown' | 'json'): Output format

Examples:

• Add logo: image_url="https://...", position_x=0.9, position_y=0.1, scale=0.3

• Add rotating image: rotation=45, animation="zoom_in"

Add subtitles from SRT file content with styling options.

This tool imports subtitles in SRT format and applies styling.

Args:

• draft_id (string): The draft ID

• srt_content (string): SRT formatted subtitle content

• font (string): Font family name (optional)

• font_size (number): Font size 12-100 (default: 36)

• font_color (string): Hex color (default: #FFFFFF)

• background_enabled (boolean): Enable background (default: true)

• background_color (string): Background hex color (default: #000000)

• response_format ('markdown' | 'json'): Output format

Example SRT format: 1 00:00:01,000 --> 00:00:03,000 Welcome to my video

2 00:00:03,500 --> 00:00:05,000 Subscribe for more content

Add keyframe-based property animation to tracks.

This tool creates smooth animations by interpolating between keyframe values.

Args:

• draft_id (string): The draft ID

• track_name (string): Name of track to animate

• property_types (string[]): Properties to animate (scale_x, scale_y, alpha, rotation, position_x, position_y)

• times (number[]): Keyframe times in seconds (at least 2)

• values (string[]): Values for each keyframe (same length as times)

• response_format ('markdown' | 'json'): Output format

Examples:

• Fade in: property_types=["alpha"], times=[0, 2], values=["0.0", "1.0"]

• Zoom in: property_types=["scale_x", "scale_y"], times=[0, 2], values=["0.5", "1.5"]

• Rotate: property_types=["rotation"], times=[0, 3], values=["0", "360"]

Apply visual effects to video segments.

This tool adds effects like blur, sharpen, brightness adjustments, and more.

Args:

• draft_id (string): The draft ID

• effect_name (string): Effect to apply (blur, sharpen, brightness, contrast, saturation, vignette, grain, glitch)

• start (number): Start time in seconds

• end (number): End time in seconds

• intensity (number): Effect intensity 0.0-1.0 (default: 0.5)

• response_format ('markdown' | 'json'): Output format

Examples:

• Add blur: effect_name="blur", intensity=0.7

• Increase brightness: effect_name="brightness", intensity=0.8

• Add vignette: effect_name="vignette", intensity=0.4

Add sticker/emoji overlay with positioning and transformation.

This tool adds decorative stickers or emojis to the video.

Args:

• draft_id (string): The draft ID

• sticker_url (string): URL to sticker image

• start (number): Start time in seconds

• end (number): End time in seconds

• position_x (number): Horizontal position 0.0-1.0 (default: 0.5)

• position_y (number): Vertical position 0.0-1.0 (default: 0.5)

• scale (number): Scale multiplier 0.1-5.0 (default: 1.0)

• rotation (number): Rotation angle 0-360 degrees (default: 0)

• response_format ('markdown' | 'json'): Output format

Examples:

• Add corner sticker: position_x=0.9, position_y=0.1, scale=0.2

• Add rotating emoji: rotation=15, scale=0.5

Save the draft to a file that can be imported into CapCut.

This tool finalizes the draft and generates a folder that can be copied to the CapCut drafts directory.

Args:

• draft_id (string): The draft ID to save

• response_format ('markdown' | 'json'): Output format

Returns: { "draft_url": string, // Path to the saved draft folder "status": "saved" }

The draft folder starts with "dfd_" and should be copied to:

• Windows: C:\Users<username>\AppData\Local\CapCut\User Data\Projects\Draft Content

• macOS: ~/Library/Containers/com.lemon.lvpro/Data/Documents/JianyingPro/User Data/Projects/Draft Content

Get duration and metadata of video or audio file.

This tool analyzes media files to retrieve duration, format, and resolution information.

Args:

• url (string): URL to media file

• response_format ('markdown' | 'json'): Output format

Returns: { "duration": number, // Duration in seconds "format": string, // File format "width": number, // Video width (if video) "height": number // Video height (if video) }

Examples:

• Check video length before adding: url="https://example.com/video.mp4"

• Verify audio duration: url="https://example.com/music.mp3"