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 creativedswork/dscode --skill html-output-skillgit clone --depth 1 https://github.com/creativedswork/dscodeWrote 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/creativedswork/dscode/html-output-skill)<a href="https://agentmods.dev/skills/creativedswork/dscode/html-output-skill"><img src="https://agentmods.dev/badge/skills/creativedswork/dscode/html-output-skill/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/creativedswork/dscode/html-output-skill"><img src="https://agentmods.dev/badge/skills/creativedswork/dscode/html-output-skill.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 | $0.00000 | $0.01297 |
| Opus 5.5 | $0.00000 | $0.00519 |
| Sonnet 5.5 | $0.00000 | $0.00259 |
| Haiku 4.5 | $0.00000 | $0.00130 |
Grade A, and why
html-output 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 1mo 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 — 89 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Writing HTML outputs
Markdown is portable but cramped: nobody reads a 100-line .md, it can't render
color/diagrams/interaction, and it's awkward to share. HTML fixes all three. Prefer
HTML whenever you'd otherwise hand back a long Markdown document.
This skill encodes the patterns from Anthropic's html-effectiveness gallery so the
HTML you generate is consistent, readable, and immediately shareable.
When to reach for HTML
| Use case | Why HTML wins |
|---|---|
| Specs, plans, exploration | Side-by-side option grids, mockups, data-flow diagrams, annotated code |
| Code review / PR write-up | Rendered diffs, inline margin annotations, severity color-coding |
| Code / concept explainers | SVG flowcharts + annotated snippets + a "gotchas" section |
| Reports, research, status | Tables, charts, callouts; one link to share, renders everywhere |
| Design & prototypes | CSS/SVG is expressive; add sliders/knobs to tune, then export params |
| Custom editing UIs | Drag/drop, forms, live preview — end with a copy-as-X export button |
Rule of thumb: if the answer is information-dense or longer than a screen, make it HTML.
Core principles (non-negotiable)
- Single self-contained file. One
.html, no build step, no external runtime dependencies. Inline all CSS in a<style>tag and all JS in a<script>tag. It must open correctly fromfile://by double-clicking. - Information density over token thrift. Use tables, SVG, CSS, and layout to pack in meaning. Don't fall back to ASCII diagrams or unicode-color hacks.
- Built to be read, then shared. Visual hierarchy, scannable sections, mobile responsive. Assume a colleague opens it cold.
- Close the loop on interactive files. Any editor/tuner MUST end with an export: a "Copy as JSON / Markdown / prompt / diff" button so the user's edits flow back into Claude or a file.
- No placeholder lorem. Use the real ingested context (code, git history, docs). If data is genuinely unknown, label it clearly as a sample.
What ships with it
4 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.
- 1mo ago First seen · 89 lines · 0 tokens per session scan A 875a4313c228
html-output is a skill published in the GitHub repository creativedswork/dscode (11 stars, last pushed 29d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,297 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 2026-08-31.
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