html-slide

html-slide is a skill for Claude Code, Codex from bytonylee/future-slide. It costs 51 tokens per session (345 once invoked), scanned A, original, Apache-2.0.

A workflow for creating slide decks as editable HTML, CSS, and JavaScript files from a reference design, source material, and a deck request.

In plain words
What is it for?
Use it to turn a visual reference and source files into browser-rendered slides. It also creates the design notes, slide plan, and per-slide instructions used to build the deck.
Why use it?
It organizes the work into design analysis, planning, slide instructions, implementation, and browser checking, so the deck can be built in a consistent order.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/bytonylee/future-slide/html-slide
Any agent
npx skills add bytonylee/future-slide --skill html-slide
Clone the repo
git clone --depth 1 https://github.com/bytonylee/future-slide

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for html-slide

README.md
[![agentmods](https://agentmods.dev/badge/skills/bytonylee/future-slide/html-slide.svg)](https://agentmods.dev/skills/bytonylee/future-slide/html-slide)
Your own site
<a href="https://agentmods.dev/skills/bytonylee/future-slide/html-slide"><img src="https://agentmods.dev/badge/skills/bytonylee/future-slide/html-slide.svg" alt="Measured on agentmods" height="20"></a>
Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 345 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00051 $0.00345
Opus 5 $0.00026 $0.00172
Sonnet 5 $0.00010 $0.00069
Haiku 4.5 $0.00005 $0.00034

Measured 4d ago against content hash b4967df2b870, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

html-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 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.

skills/html-slide/SKILL.md · 43 lines

What it actually says

HTML Slide Workflow

Use this skill when the user asks for the full HTML slide workflow, for example:

  • $html-slide
  • "create an HTML slide deck"
  • "make browser-rendered slides from this reference"
  • "build editable web slides"

This is the HTML orchestrator. If the user asks for only one step, use the matching step skill instead:

  • $slide-design for DESIGN.md
  • $html-slide-plan for slide_plan.json
  • $html-slide-prompt for html_slide_prompts.json
  • $html-slide-render for final HTML/CSS/JS slide files

Required Sequence

Run these stages in order:

  1. Extract DESIGN.md from the reference visual.
  2. Build slide_plan.json from DESIGN.md, user files, and the deck request.
  3. Build html_slide_prompts.json with per-slide implementation instructions.
  4. Implement an HTML deck and verify it in a browser when possible.

Output Contract

The full workflow should leave these files in the workspace:

  • DESIGN.md
  • slide_plan.json
  • html_slide_prompts.json
  • an HTML slide deck, usually under slides-html/

Routing Rule

If the user asks for GPT native image generation, PNG pages, or imagegen output, use the gpt-image-slide skill family instead.

Changes

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.

  1. 4d ago First seen · 43 lines · 51 tokens per session scan A b4967df2b870

Subscribe to this mod's changes

html-slide is a skill published in the GitHub repository bytonylee/future-slide (146 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 51 tokens to every session and 345 once invoked, about $0.0003 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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