web-mcp-extending-excalidraw.vercel.app
A whiteboard that gets better when a human and an agent draw on it together.
First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com
Answer 4 · Act 21 · Transact 0 · Score: Not yet scored
Tool inspector
export_png
Export the canvas as a PNG and hand it to the human as a download. Use it when the user asks to save, export, or download what has been drawn. Pass "ids" to export just part of the canvas, or omit it for everything. Example: {}
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
ids |
array | no | Export only these elements. Omit for the whole canvas. |
scale |
number | no | 2 gives a crisp image on high-DPI screens. |
background |
boolean | no | Include the canvas background colour. |
Raw JSON schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object",
"properties": {
"ids": {
"description": "Export only these elements. Omit for the whole canvas.",
"type": "array",
"items": {
"type": "string"
}
},
"scale": {
"description": "2 gives a crisp image on high-DPI screens.",
"default": 2,
"type": "number",
"minimum": 1,
"maximum": 3
},
"background": {
"description": "Include the canvas background colour.",
"default": true,
"type": "boolean"
}
},
"additionalProperties": false
}
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