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 vibeinging/YiYi --skill canvas_designgit clone --depth 1 https://github.com/vibeinging/YiYiWrote 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/vibeinging/yiyi/canvas_design)<a href="https://agentmods.dev/skills/vibeinging/yiyi/canvas_design"><img src="https://agentmods.dev/badge/skills/vibeinging/yiyi/canvas_design/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/vibeinging/yiyi/canvas_design"><img src="https://agentmods.dev/badge/skills/vibeinging/yiyi/canvas_design.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00040 | $0.00348 |
| Opus 5 | $0.00020 | $0.00174 |
| Sonnet 5 | $0.00008 | $0.00070 |
| Haiku 4.5 | $0.00004 | $0.00035 |
Grade A, and why
canvas_design 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 9d 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
These are instructions for creating design philosophies - aesthetic movements that are then EXPRESSED VISUALLY. Output only .md files, .pdf files, and .png files.
Complete this in two steps:
- Design Philosophy Creation (.md file)
- Express by creating it on a canvas (.pdf file or .png file)
DESIGN PHILOSOPHY CREATION
Create a VISUAL PHILOSOPHY (not layouts or templates) that will be interpreted through:
- Form, space, color, composition
- Images, graphics, shapes, patterns
- Minimal text as visual accent
The philosophy must emphasize: Visual expression. Spatial communication. Artistic interpretation. Minimal words.
CANVAS CREATION
With the philosophy established, express it on a canvas. Create museum or magazine quality work using the design philosophy as the foundation. Create one single page, highly visual, design-forward PDF or PNG output.
Text as a contextual element: Text is always minimal and visual-first. Use different fonts creatively as part of the art itself.
CRITICAL: Create work that looks like it took countless hours. Ensure the composition, spacing, color choices, typography - everything reflects expert-level craftsmanship.
Output the final result as a single, downloadable .pdf or .png file, alongside the design philosophy used as a .md file.
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.
- 9d ago First seen · 38 lines · 40 tokens per session scan A 446ad5a12664
canvas_design is a skill published in the GitHub repository vibeinging/YiYi (51 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 40 tokens to every session and 348 once invoked, about $0.0002 per session on Opus 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 2026-08-30.
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