Aseprite MCP

create_canvas

Create a new sprite with the given dimensions

add_layer

Add a new layer, optionally inside a named group

add_group

Add a new (optionally nested) group layer

add_frame

Append a new frame

set_frame

Set the active frame

set_frame_duration

Set one frame's duration in ms

set_layer

Set the active layer (optionally creating it)

draw_pixels

Plot individual pixels with per-pixel colors

draw_pixels_at

Plot pixels on a specific layer/frame

draw_line

Lines with thickness

draw_rectangle

Outlined or filled rectangles

draw_circle

Outlined or filled circles

draw_ellipse_at

Outlined or filled ellipses with separate x/y radii

draw_polygon

Outlined or filled polygons from a point list

draw_path

Polyline through a point list with thickness

fill_area

Paint-bucket flood fill

apply_gradient_rect

Smooth linear gradient fill in a rectangle

list_text_fonts

List the bitmap and TrueType fonts available to draw_text

measure_text

Width, height, advance and baseline extents — size a panel or centre a label without redrawing to find out

draw_text

Draw text with anchors, faux bold, outline, drop shadow and letter spacing

font.json

Each sheet carries its own ascent, so sheets with different cell sizes still share a baseline — that is how a compact ASCII sheet and a taller accented sheet…

delete_layer

Delete a layer by name

rename_layer

Rename a layer

duplicate_layer

Duplicate a layer with all cels, opacity, and blend mode, optionally into a group

reorder_layer

Move a layer to a position in the stack

set_layer_blend_mode

Set blend mode (multiply, screen, overlay,...

merge_layer_down

Merge a layer into the one below it

flatten_sprite

Flatten all layers into one

move_region

Cut a rectangle of pixels and paste it elsewhere

copy_region

Copy a rectangle to another position, layer, or frame

erase_region

Make a rectangle transparent

erase_color

Magic-eraser: make all pixels of a color transparent (with tolerance)

outline_cel

Add a 1px outline around all opaque pixels

replace_color

Replace one color with another (with tolerance), preserving alpha

adjust_hsl

Shift hue/saturation/lightness of a cel — palette swaps, night scenes, shadows

apply_dither_gradient

Two-color gradient using Bayer 4×4 ordered dithering

apply_dither_pattern

Uniform dithered mix of two colors at a given density

add_frames

Append N frames with optional duration

delete_frame

Delete a frame

set_frame_duration_all

Set every frame's duration