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 Dragoon0x/everything-design-taste --skill email-designgit clone --depth 1 https://github.com/Dragoon0x/everything-design-tasteWrote 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/dragoon0x/everything-design-taste/email-design)<a href="https://agentmods.dev/skills/dragoon0x/everything-design-taste/email-design"><img src="https://agentmods.dev/badge/skills/dragoon0x/everything-design-taste/email-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/dragoon0x/everything-design-taste/email-design"><img src="https://agentmods.dev/badge/skills/dragoon0x/everything-design-taste/email-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 | $0.00017 | $0.00287 |
| Opus 5 | $0.00009 | $0.00143 |
| Sonnet 5 | $0.00003 | $0.00057 |
| Haiku 4.5 | $0.00002 | $0.00029 |
Grade A, and why
email-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 6d 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
Email Design
Email Design Constraints
- Table-based layout (CSS grid/flexbox not universally supported).
- Inline CSS (many clients strip tags).
- Max width: 600px.
- Images: hosted externally, alt text required (images blocked by default).
- Fonts: web fonts unreliable. Use web-safe stacks.
Structure
- Pre-header text (preview in inbox, 40-130 chars).
- Header (logo, minimal navigation).
- Hero (primary message/image).
- Body (content blocks, alternating layout).
- CTA (primary action button, min 44px height).
- Footer (unsubscribe link required by law, contact info).
Button Design
- HTML buttons, not image buttons (images may be blocked).
- Minimum 44px height, full-width on mobile.
- High contrast, rounded corners via border-radius.
- Bulletproof button technique for Outlook.
Testing
- Test in: Gmail, Outlook, Apple Mail, Yahoo Mail, mobile clients.
- Dark mode: test color rendering.
- Images-off: ensure content is readable.
- Links: test every link.
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.
- 6d ago First seen · 34 lines · 17 tokens per session scan A e857d9dafe79
email-design is a skill published in the GitHub repository Dragoon0x/everything-design-taste (11 stars, last pushed 5mo ago), licensed MIT. It adds 17 tokens to every session and 287 once invoked, about $0.0001 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 2026-09-03.
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