Can I still create new diagrams from scratch?

Yes. You can describe a layout to the main agent, which will then task a subagent to generate the necessary JSON elements and write the file.

How much context does this skill actually save?

Baseline tests show a 96% to 98% reduction in context usage compared to reading Excalidraw files directly.

Why does this skill use subagents for Excalidraw files?

Excalidraw files are verbose JSON. A single diagram can use 4k-22k tokens. Subagents isolate this 'noise' and return only the high-value information to the main agent.

What happens if I try to read an Excalidraw file directly?

The skill establishes an 'Iron Law' that discourages direct reading to prevent context pollution, guiding you to use the delegation pattern instead.

Excalidraw Diagram Manager

Name: Excalidraw Diagram Manager
Author: Microck

byMicrock

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디자인 도구

Optimizes diagram management by delegating Excalidraw file operations to subagents to preserve context and reduce token consumption.

The Excalidraw skill solves the 'context exhaustion' problem caused by the high verbosity of Excalidraw JSON files, which can consume up to 22k tokens per diagram. By implementing a strict delegation pattern, it ensures the main agent never reads raw diagram data directly. Instead, specialized subagents extract only the essential semantic information—such as component labels and relationships—or perform targeted modifications. This approach preserves over 95% of the context budget, allowing for complex architectural analysis and diagram editing within a single session.

주요 기능

01Automated creation of flowcharts and architecture diagrams from text descriptions

02High-efficiency extraction of text labels and component relationships

03Precise diagram modification including adding, connecting, and styling elements

04Cross-diagram comparison with summarized structural differences

052 GitHub stars

06Enforced subagent delegation for all .excalidraw and .excalidraw.json operations

사용 사례

01Isolating visual metadata noise during deep-dive architectural reviews

02Analyzing complex system architectures without hitting context window limits

03Updating project documentation flowcharts through natural language commands

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add microck/opendots-microck excalidraw

For use in Claude.ai and ChatGPT

Download Skill