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Agent skill

Excalidraw Diagram

by Gerstep in Gerstep/cybos

Generate Excalidraw diagrams from text content. An agent skill from Gerstep/cybos.

No licenceAuto-check passedDevelopment

Install Excalidraw Diagram

skills CLI
$ npx skills add Gerstep/cybos --skill excalidraw-diagram -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install Gerstep/cybos excalidraw-diagram --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/Gerstep/cybos.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/excalidraw-diagram .claude/skills/excalidraw-diagram && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
excalidraw-diagram
GitHub stars
104
Used in
2 other repos
Token cost
~2.3k tokens
SKILL.md length
483 words
Files
2 (incl. references)
Skills in repo
9
Repo updated
First seen
Licence
None found

At a glance

Generate Excalidraw diagrams from text content. An agent skill from Gerstep/cybos.

  • Works in 6 steps: 选择合适的图表类型 → 生成有意义的文件名 → 使用 Write 工具自动保存文件 → …
  • Standard excalidraw
  • SKILL.md covers Output Modes, Workflow, Output Formats and Diagram Types & Selection Guide, plus 5 more sections
  • Reaches excalidraw.com and dai-shi.github.io

What it does

Excalidraw Diagram is an agent skill from Gerstep/cybos. Generate Excalidraw diagrams from text content. Supports three output modes - Obsidian (.md), Standard (.excalidraw), and Animated (.excalidraw with animation order). Triggers on "Excalidraw", "画图", "流程图", "思维导图", "可视化", "diagram", "标准Excalidraw", "standard excalidraw", "Excalidraw动画", "动画图", "animate".

Its SKILL.md is about 2.3k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/excalidraw-schema.md`).

It sits in Development, covering Diagrams. It works with Excalidraw and Obsidian.

When your agent uses it

  • Standard excalidraw
  • Tasks that involve Diagrams

Example prompts

  • “Excalidraw”
  • “diagram”
  • “标准Excalidraw”
  • “/excalidraw-diagram”

Workflow steps

6 steps, taken from the step headings in SKILL.md.

  1. 选择合适的图表类型
  2. 生成有意义的文件名
  3. 使用 Write 工具自动保存文件
  4. 确保 Markdown 结构完全正确
  5. JSON 数据要求
  6. 用户反馈与确认

What it can do on your machine

Read from SKILL.md and the folder at commit 2f0646f. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are json and markdown).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • excalidraw.com
    • dai-shi.github.io
    • github.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Excalidraw Diagram loads about 2.3k tokens when it runs, and up to ~3.1k if it reads all its reference files. Until then it costs about 81 tokens; SKILL.md has 483 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~81
When it runs · the whole SKILL.md, loaded when a task matches
~2.3k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 483 words (~2,329 tokens).

“Create Excalidraw diagrams from text content with multiple output formats.”

— opening of SKILL.md by Gerstep
name
excalidraw-diagram
metadata.version
1.2.0

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file (references) in .claude/skills/excalidraw-diagram of Gerstep/cybos.

  • SKILL.md
  • references/excalidraw-schema.md

Open the folder on GitHubat commit 2f0646f

Used in 2 other repositories

We found 2 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 2 other GitHub owners. This page covers the copy in Gerstep/cybos, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Excalidraw Diagram next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Excalidraw Diagram compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Excalidraw Diagram this skillGerstep/cybos1042 repos~2.3kAutomated safety check: PassNone
Excalidraw Diagrambreferrari/obsidian-mind5k—~3.9kAutomated safety check: PassMIT
Excalidraw Diagram Studiotech-leads-club/agent-skills7k—~3.6kAutomated safety check: PassCC-BY-4.0
JSON Canvasheyitsnoah/claudesidian2.6k18 repos~3.5kAutomated safety check: PassMIT
Diagram Designcathrynlavery/diagram-design48k1 repos~7.6kAutomated safety check: PassMIT
Excalidraw Diagramcoleam00/excalidraw-diagram-skill5k2 repos~6.1kAutomated safety check: PassNone

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Works with

Categories

Questions about Excalidraw Diagram

What does Excalidraw Diagram do?

Generate Excalidraw diagrams from text content. An agent skill from Gerstep/cybos. Excalidraw Diagram is an agent skill from Gerstep/cybos. Generate Excalidraw diagrams from text content.

When should I use Excalidraw Diagram?

Excalidraw Diagram fits situations like: standard excalidraw; tasks that involve Diagrams.

How do I install Excalidraw Diagram in Claude Code?

Run `npx skills add Gerstep/cybos --skill excalidraw-diagram -a claude-code`. Or copy the skill folder (.claude/skills/excalidraw-diagram in Gerstep/cybos) into .claude/skills/excalidraw-diagram in your project. Claude Code loads it when a task matches its description.

How do I install Excalidraw Diagram in Codex?

Run `npx skills add Gerstep/cybos --skill excalidraw-diagram -a codex`. Or copy the skill folder (.claude/skills/excalidraw-diagram in Gerstep/cybos) into .agents/skills/excalidraw-diagram in your project. Codex loads it when a task matches its description.

Can I use Excalidraw Diagram in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add Gerstep/cybos --skill excalidraw-diagram -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/excalidraw-diagram, .gemini/skills/excalidraw-diagram, .github/skills/excalidraw-diagram and .opencode/skills/excalidraw-diagram in your project.

What does Excalidraw Diagram need to run?

SKILL.md names no scripts, command-line tools or credentials: Excalidraw Diagram is instructions for the agent only.

Does Excalidraw Diagram access the network?

SKILL.md names 3 domains. In commands or code: excalidraw.com, dai-shi.github.io and github.com; the agent is likely to contact these when it follows the instructions. This is read from the text; nothing was executed.

Is Excalidraw Diagram safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Excalidraw Diagram use?

No licence was found for Excalidraw Diagram or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Excalidraw Diagram use?

About 2.3k tokens (SKILL.md is roughly 9.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 817 tokens, read only when the agent opens those files.

What are the alternatives to Excalidraw Diagram?

Skills that share tags, products or a category with Excalidraw Diagram: Excalidraw Diagram (breferrari/obsidian-mind, 5k stars), Excalidraw Diagram Studio (tech-leads-club/agent-skills, 7k stars), JSON Canvas (heyitsnoah/claudesidian, 2.6k stars) and Diagram Design (cathrynlavery/diagram-design, 48k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Excalidraw Diagram?

Gerstep (a GitHub user) maintains it in Gerstep/cybos, which has 104 GitHub stars. The repository holds 9 skills in this directory. The repository was last updated on September 1, 2026.

Source: Gerstep/cybos on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.