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.
npx skills add thesongzhu/Friday --skill excalidraw-diagram-generatorgit clone --depth 1 https://github.com/thesongzhu/FridayWrote 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.
[](https://agentmods.dev/skills/thesongzhu/friday/excalidraw-diagram-generator)<a href="https://agentmods.dev/skills/thesongzhu/friday/excalidraw-diagram-generator"><img src="https://agentmods.dev/badge/skills/thesongzhu/friday/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.
<a href="https://agentmods.dev/skills/thesongzhu/friday/excalidraw-diagram-generator"><img src="https://agentmods.dev/badge/skills/thesongzhu/friday/excalidraw-diagram-generator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00000 | $0.00142 |
| Opus 5 | $0.00000 | $0.00071 |
| Sonnet 5 | $0.00000 | $0.00028 |
| Haiku 4.5 | $0.00000 | $0.00014 |
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 13d ago.
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.
What it actually says
Excalidraw Diagram Generator
Converts textual concepts or workflows into clear diagram instructions suitable for Excalidraw or other visual tools.
Features
- Node and connector generation
- Logical hierarchy mapping
- Clear labels and layout suggestions
Instructions
- Identify main elements from input
- Create nodes with descriptive labels
- Connect nodes logically
- Suggest an optimal layout direction
- Output diagram title, nodes, connections, and layout guidance
Constraints
- Avoid visual clutter
- Maintain clarity and readability
Typical triggers:
create a diagram for thisgenerate an excalidraw diagramvisualize this workflowmap this concept as a diagram
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.
- 13d ago First seen · 30 lines · 0 tokens per session scan A 8b7e8eb378ee
excalidraw-diagram-generator is a skill published in the GitHub repository thesongzhu/Friday (838 stars, last pushed 1mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 142 tokens. 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 2026-08-30.
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