Convert MCP tool schemas into OpenAI function tool definitions.

Get particle opacity based on lifetime.

Resolve the PR for the current branch (whatever gh considers associated). Works for cross-repo PRs too, by reading head repository owner/name

Get easing function by name.

Get suggestions for optimizing a GIF based on validation results. Args: results: Results dict from validate_gif() Returns:

Get the dimensions of text without drawing it. Args: text: Text to measure font_size: Font size in pixels bold: Use

Get information about the video without downloading.

Call `gh api graphql` using -F variables, avoiding JSON blobs with nulls. Query is passed via stdin using query=@- to avoid shell newline/quo

Initialize a new skill directory with template SKILL.md. Args: skill_name: Name of the skill path: Path where the skill dire

Wait for server to be ready by polling the port.

Retrieve available tools from the MCP server.

Normalize a skill name to lowercase hyphen-case.

Reduce colors in all frames using quantization. Args: num_colors: Target number of colors (8-256) use_global

Package a skill folder into a .skill file. Args: skill_path: Path to the skill folder output_dir: Optional output directory

Parse environment variable strings in format 'KEY=VALUE' into a dictionary.

Parse XML evaluation file with qa_pair elements.

Parse header strings in format 'Key: Value' into a dictionary.

Render particle to frame. Args: frame: PIL Image to draw on

Render all particles to frame.

Run evaluation with MCP server tools.

Convert hyphenated skill name to Title Case for display.

Update all particles.

Check if dimensions are suitable for Slack. Args: width: Frame width in pixels height: Frame height in pixels is_emo

Run all validations on a GIF file. Args: gif_path: Path to GIF file is_emoji: True for emoji GIF, False for message GIF

Initialize MCP server connection.

Initialize GIF builder. Args: width: Frame width in pixels height: Frame height in pixels fps: F

Initialize a particle. Args: x, y: Starting position vx, vy: Velocity lifetime: How long particl

Initialize particle system.

Add drop shadow to an object. Args: frame: PIL Image object_bounds: (x1, y1, x2, y2) bounds of object shadow_offset:

Add a glow effect to areas of a specific color. Args: frame: PIL Image mask_color: Color to create glow around glow_

Add motion blur by blending with previous frame. Args: frame: Current frame prev_frame: Previous frame (None for first frame

Add a vignette effect (darkened edges) to frame. Args: frame: PIL Image strength: Vignette strength (0.0-1.0) Returns:

Apply screen shake effect to entire frame. Args: frame: PIL Image intensity: Shake intensity frame_index: Current fr

Apply simple mirror effect (faster than full kaleidoscope). Args: frame: Input frame mode: 'horizontal', 'vertical', 'quad'

Calculate squash and stretch scales for more dynamic animation. Args: base_scale: (width_scale, height_scale) base scales in

Add motion trail effect to moving object. Args: frames: List of frames with moving object trail_length: Number of previous f

Composite one image on top of another. Args: base: Base image overlay: Image to overlay on top position: (x, y) posi

Create slow, calming breathing animation (in and out). Args: object_type: Type of object object_data: Object configuration

Create an explosion effect that expands and fades. Args: frame: PIL Image to draw on position: Explosion center radi

Fade from one solid color to another. Args: start_color: Starting RGB color end_color: Ending RGB color num_frames:

Create a vertical gradient background. Args: width: Frame width height: Frame height top_color: RGB color at top

Create a gradient of colors between two colors. Args: start_color: Starting RGB color end_color: Ending RGB color st

Create a bright flash effect at impact point. Args: frame: PIL Image to draw on position: Center of flash radius: Fl

Create "nope" reaction flip (like flipping table). Args: num_frames: Number of frames frame_width: Frame width frame

Create a smooth path through multiple points. Args: points: List of (x, y) waypoints num_frames: Total number of frames

Create quick emoji reaction morph (for emoji GIFs). Args: emoji_start: Starting emoji emoji_end: Ending emoji num_fr

Create expanding ring effects. Args: frame: PIL Image to draw on position: Center of rings radii: List of ring radii

Create speed lines for motion effect. Args: frame: PIL Image to draw on position: Center position direction: Angle i

Darken a color by a given amount. Args: color: RGB color tuple amount: Amount to darken (0.0-1.0) Returns: Dark

Draw a circle with drop shadow. Args: frame: PIL Image to draw on center: (x, y) center position radius: Circle radi

Draw a line on a frame. Args: frame: PIL Image to draw on start: (x, y) start position end: (x, y) end position

Draw a rectangle on a frame. Args: frame: PIL Image to draw on top_left: (x, y) top-left corner bottom_right: (x, y)

Draw a rectangle with rounded corners. Args: frame: PIL Image to draw on top_left: (x, y) top-left corner bottom_rig

Draw a 5-pointed star. Args: frame: PIL Image to draw on center: (x, y) center position size: Star size (outer radiu

Draw a simple stick figure. Args: frame: PIL Image to draw on position: (x, y) center position of head scale: Size m

Draw text in a semi-transparent box for guaranteed readability. Args: frame: PIL Image to draw on text: Text to draw

Draw text with glow effect for emphasis. Args: frame: PIL Image to draw on text: Text to draw position: (x, y) posit

Draw text with drop shadow for depth. Args: frame: PIL Image to draw on text: Text to draw position: (x, y) position

Back ease-in (slight overshoot backward before forward motion).

Back ease-in-out (overshoot at both ends).

Back ease-out (overshoot forward then settle back).

Cubic ease-in (slow start).

Elastic ease-in (spring effect).

Bounce ease-in-out.

Cubic ease-in-out.