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excalidraw-skill

lingzhi227/agen…h-skills

Programmatic canvas toolkit for creating, editing, and refining Excalidraw diagrams via MCP tools with real-time canvas sync. Use when an agent needs to (1) draw or lay out diagrams on a live canvas, (2) iteratively refine diagrams using describe_scene and get_canvas_screenshot to see its own work, (3) export/import .excalidraw files or PNG/SVG images, (4) save/restore canvas snapshots, (5) convert Mermaid to Excalidraw, or (6) perform element-level CRUD, alignment, distribution, grouping, duplication, and locking. Requires a running canvas server (EXPRESS_SERVER_URL, default http://localhost:3000).

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安装命令

npx skills add https://github.com/lingzhi227/agent-research-skills --skill excalidraw-skill

SKILL.md

Excalidraw Skill

Step 0: Detect Connection Mode

Before doing anything, determine which mode is available. Run these checks in order:

Check 1: MCP Server (Best experience)

mcp-cli tools | grep excalidraw

If you see tools like excalidraw/batch_create_elements → use MCP mode. Call MCP tools directly.

Check 2: REST API (Fallback — works without MCP server)

curl -s http://localhost:3000/health

If you get {"status":"ok"} → use REST API mode. Use HTTP endpoints (curl / fetch) from the cheatsheet.

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