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 agentmods add skills/1weiho/open-slide/create-themenpx skills add 1weiho/open-slide --skill create-themegit clone --depth 1 https://github.com/1weiho/open-slideWrote 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/1weiho/open-slide/create-theme)<a href="https://agentmods.dev/skills/1weiho/open-slide/create-theme"><img src="https://agentmods.dev/badge/skills/1weiho/open-slide/create-theme.svg" alt="Measured on agentmods" 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 | $0.00129 | $0.03015 |
| Opus 5 | $0.00064 | $0.01507 |
| Sonnet 5 | $0.00026 | $0.00603 |
| Haiku 4.5 | $0.00013 | $0.00301 |
Grade A, and why
create-theme 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 4d 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 — 254 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Create a slide theme
This skill produces a theme bundle under themes/: two paired files that together describe a reusable visual identity.
themes/<id>.md— agent-facing documentation: palette, typography, layout, fixed Title/Footer/Eyebrow components, motion. This is whatcreate-slidereads when an author picks the theme.themes/<id>.demo.tsx— a runnable mini-slide (a normal slide module:export default Page[]) that demonstrates the theme on 2–3 pages. The dev UI's Themes panel loads this file and renders it as the theme's live preview.
Both files share the same stem so the runtime can pair them automatically.
A theme is distinct from a slide's design const. The theme markdown is authoring-time aesthetic direction (copied into a real slide's source by create-slide). The demo .tsx is a self-contained preview, not a real slide — it does not appear in the slides list. A per-slide const design: DesignSystem = { … } (declared at the top of slides/<id>/index.tsx) is the runtime tokens object the user can tweak from the Design panel. The markdown commits the direction; the per-slide design const makes the slide tweakable; the demo .tsx makes the theme previewable.
You only write files under themes/<id>.md and themes/<id>.demo.tsx. Never modify real slides or other configuration. The canvas / type-scale defaults that themes can override live in the slide-authoring skill — read it before writing the theme so your overrides are stated explicitly.
Step 1 — Identify the input source
A theme can be derived from any combination of three input shapes:
- Image references — paths or URLs to slide screenshots, mood-board images, brand assets.
- Free-text description — prose describing the desired palette, fonts, feel.
- An existing slide —
slides/<id>/index.tsxwhose visual identity should be lifted out into a reusable theme.
If the user's original message already specifies the inputs unambiguously, skip the question and proceed. Otherwise call AskUserQuestion (multi-select) so they can pick one or more sources, and ask follow-ups (paths, slide id, prose) only as needed.
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.
- 4d ago First seen · 254 lines · 129 tokens per session scan A d1a056551f50
create-theme is a skill published in the GitHub repository 1weiho/open-slide (7,375 stars, last pushed today), licensed MIT. It adds 129 tokens to every session and 3,015 once invoked, about $0.0006 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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