Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add Tasachii/Tasachii-Tools/plugin install craft-htmlWrote 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/tasachii/tasachii-tools/craft-html)<a href="https://agentmods.dev/skills/tasachii/tasachii-tools/craft-html"><img src="https://agentmods.dev/badge/skills/tasachii/tasachii-tools/craft-html/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/tasachii/tasachii-tools/craft-html"><img src="https://agentmods.dev/badge/skills/tasachii/tasachii-tools/craft-html.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 | $0.00190 | $0.02953 |
| Opus 5 | $0.00095 | $0.01477 |
| Sonnet 5 | $0.00038 | $0.00591 |
| Haiku 4.5 | $0.00019 | $0.00295 |
Grade A, and why
craft-html 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.
How it starts
The opening of the file, as written. The whole thing — 188 lines — stays where its author put it; the contents beside it link to each section on GitHub.
craft-html
Build one self-contained HTML page that runs entirely in the browser — a single .html
file, no npm, no build step, no framework. The page is fluid and responsive: it reflows
from a 360 px phone to a wide desktop, ships a dark mode, and is authored around the subject
rather than poured into a fixed template.
This is the page sibling of craft-slides. Where a deck is a fixed 16:9 stage, a page reflows;
where a deck is stepped through, a page scrolls. craft-html improves on a from-scratch page
generator in six concrete ways:
| Improvement | What it means |
|---|---|
| Content is grounded, never invented | Copy comes from the user's real material — a repo, a URL, a file, or what they paste. Unverifiable facts are asked about or left as a visible [[TODO: …]], never guessed. |
| Responsive + dark mode are first-class | One fluid layout from phone to desktop, a prefers-color-scheme dark theme, and semantic, accessible HTML — not a desktop-only mock that breaks on a phone. |
| Bilingual Thai/English is first-class | Thai is a designed-for language — correct font pairing, mixed-script spacing, and TH/EN layout patterns. See references/thai-bilingual.md. |
| It verifies its own output | After generating, it loads the page at phone/tablet/desktop widths and fixes any horizontal overflow, off-canvas element, or console error before handing it over. See references/verifying.md. |
| Offline on request | Web fonts come from Google Fonts/Fontshare by default; ask for an offline build and it drops to a system-font stack (or embeds the fonts) so the one file works with no network. |
| Auto by default | No interview unless asked. It infers purpose, sections, and tone from the material and ships one strong design. |
Top rule — never invent the content
A page that states a number, a feature, a price, a date, or a claim the user did not give and the code does not show is a defect, not a draft. In order:
- Read the real source — a repo's
README/package.json/src, a pasted brief, a linked page, an attached file. - Ask the user when a needed fact cannot be read.
- Leave a marker —
[[TODO: confirm pricing]]rendered visibly on the page — when neither is possible.
What ships with it
6 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.
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 · 188 lines · 190 tokens per session scan A a89907f3abc9
craft-html is a skill published in the GitHub repository Tasachii/Tasachii-Tools (2 stars, last pushed 1mo ago), licensed MIT. It adds 190 tokens to every session and 2,953 once invoked, about $0.0010 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 2026-08-31.
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