Individual skill
canvas
Author Nimbalyst Project Canvas boards (.canvas files) — an infinite canvas whose cards are live editors for real workspace files and shared documents, arranged spatially and wired with edges. Use when the user asks for a canvas, a board, a spatial layout of documents or mockups, a flow of screens, or a workspace overview.
packages/extensions/canvas/claude-plugin/skills/canvas/SKILL.md
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# Project Canvas
A `.canvas` file is a board: an infinite canvas whose cards can be sticky notes, text, images, frames, or **live editors mounted on real workspace files and shared documents**. A mockup card renders the mockup. A spreadsheet card renders the grid. A mindmap card renders the mindmap.
The editor is built into Nimbalyst, so any workspace can open a `.canvas` file you write. Write the JSON directly with the Write tool; there is no MCP tool for boards.
## When to use a canvas
- Laying out several existing files spatially — screens of a flow, docs in a workstream, a review board
- A workspace or project overview that mixes documents, mockups, data, and notes
- Anything where the point is the *arrangement* of real artifacts, not a drawing
Use Excalidraw for freeform drawings and architecture sketches. Use MockupLM for a single UI screen. A canvas is the thing that holds several of those at once.
