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excalidraw-diagram-generator

excalidraw-diagram-generator is a skill for Claude Code, Codex from ahostbr/kuroryuu-public. It costs 96 tokens per session (5,878 once invoked), scanned A, original, AGPL-3.0.

A natural-language diagram generator for Excalidraw, a tool for making hand-drawn-style diagrams. It creates flowcharts, relationship diagrams, mind maps, and system architecture diagrams from descriptions.

In plain words
What is it for?
Use it to map processes, explain software architecture, show relationships, or organize ideas visually.
Why use it?
It turns a written explanation into a visual diagram without requiring manual drawing.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

not rated 12repo 7mo ago A scan 96 tokens AGPL-3.0

Good fit Use it to map processes, explain software architecture, show relationships, or organize ideas visually.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ahostbr/kuroryuu-public/excalidraw-diagram-generator
View source ↗ ahostbr/kuroryuu-public
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add ahostbr/kuroryuu-public --skill excalidraw-diagram-generator
Clone the repo
git clone --depth 1 https://github.com/ahostbr/kuroryuu-public

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for excalidraw-diagram-generator

README.md
[![agentmods](https://agentmods.dev/badge/skills/ahostbr/kuroryuu-public/excalidraw-diagram-generator/github.svg)](https://agentmods.dev/skills/ahostbr/kuroryuu-public/excalidraw-diagram-generator)
Your own site
<a href="https://agentmods.dev/skills/ahostbr/kuroryuu-public/excalidraw-diagram-generator"><img src="https://agentmods.dev/badge/skills/ahostbr/kuroryuu-public/excalidraw-diagram-generator/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for excalidraw-diagram-generator

Your own site · 80×15
<a href="https://agentmods.dev/skills/ahostbr/kuroryuu-public/excalidraw-diagram-generator"><img src="https://agentmods.dev/badge/skills/ahostbr/kuroryuu-public/excalidraw-diagram-generator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 96 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,878 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00096 $0.05878
Opus 5.5 $0.00038 $0.02351
Sonnet 5.5 $0.00019 $0.01176
Haiku 4.5 $0.00010 $0.00588

Measured 2mo ago against content hash 60df556e63d8, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

excalidraw-diagram-generator scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

The scan reads SKILL.md. This mod also ships 3 executable files (scripts/add-arrow.py, scripts/add-icon-to-diagram.py, scripts/split-excalidraw-library.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

ai/skills/excalidraw/skills-sh/excalidraw-diagram-generator/SKILL.md · 614 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

15 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 614 lines · 96 tokens per session scan A 60df556e63d8

Subscribe to this mod's changes

excalidraw-diagram-generator is a skill published in the GitHub repository ahostbr/kuroryuu-public (12 stars, last pushed 7mo ago), licensed AGPL-3.0. It adds 96 tokens to every session and 5,878 once invoked, about $0.0004 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

Creative and mediaDesign and UX
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