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 bytonylee/future-slide --skill tightened-slidegit clone --depth 1 https://github.com/bytonylee/future-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/bytonylee/future-slide/tightened-slide)<a href="https://agentmods.dev/skills/bytonylee/future-slide/tightened-slide"><img src="https://agentmods.dev/badge/skills/bytonylee/future-slide/tightened-slide/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/bytonylee/future-slide/tightened-slide"><img src="https://agentmods.dev/badge/skills/bytonylee/future-slide/tightened-slide.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 | $0.00037 | $0.01286 |
| Opus 5.5 | $0.00015 | $0.00514 |
| Sonnet 5.5 | $0.00007 | $0.00257 |
| Haiku 4.5 | $0.00004 | $0.00129 |
Grade A, and why
tightened-slide 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 — 165 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Tightened Slide
Use this workflow when a user asks for a Tightened Slide deck, horizontal swipe presentation, HTML slide deck, launch deck, analysis deck, framework deck, product deck, or data-driven talk.
Operating Assumptions
- This is a Tightened Slide only system.
- The output is a static HTML deck, normally
index.html, with an adjacentimages/folder. - The template is
assets/template.html. - Body slides must use registered
S01toS22layouts. - The validator is required before delivery.
- Supported language modes are English and Korean.
Step 1: Clarify Only What Matters
If the user provides a complete outline and assets, proceed. If key inputs are missing, ask at most three questions:
- Audience and presentation setting.
- Target duration or page count.
- Source material, language mode, required images/data, and hard constraints.
If the theme is unspecified, default to International Klein Blue from references/themes.md.
If the language mode is unspecified, default to English.
Step 2: Prepare The Deck
Create the target folder and image folder:
mkdir -p path/to/deck/images
cp assets/template.html path/to/deck/index.html
Immediately replace the <title> placeholder in index.html.
Set the language mode on the root element:
<html lang="en" data-language="en">
or:
<html lang="ko" data-language="ko">
Korean mode uses the template font stack SUIT, Pretendard, Noto Sans KR, and Noto Sans before falling back to Inter and system sans fonts.
If the deck must work offline with local animation fallback, keep assets/motion.min.js reachable from the copied HTML path or accept the CDN fallback built into the template.
Step 3: Preflight
Before writing slide markup:
- Read the template
<style>block. - Read
references/layout-lock.md. - Read the relevant skeletons in
references/layouts.md. - Confirm every class you plan to use exists in the template.
- Do not invent global classes. Use inline styles only for page-specific tuning.
What ships with it
9 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 · 165 lines · 37 tokens per session scan A 666cc8f0bd30
tightened-slide is a skill published in the GitHub repository bytonylee/future-slide (146 stars, last pushed 4mo ago), licensed Apache-2.0. It adds 37 tokens to every session and 1,286 once invoked, about $0.0001 per session on Opus 5.5. 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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