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html-slideshow-deck

html-slideshow-deck is a skill for Claude Code from f-labs-io/agent-html-skills. It costs 109 tokens per session (2,185 once invoked), scanned A, original, MIT.

A browser-based slideshow format for presentations, talks, briefings, onboarding guides, and other content shown in a fixed sequence. Each slide is an HTML section, so it can include code and interactive web content.

In plain words
What is it for?
Creating technical talks, leadership briefings, onboarding walkthroughs, and other sequential visual presentations. It supports next and previous navigation, fullscreen viewing, and direct links to individual slides.
Why use it?
It lets people share a presentation as a link and view it in a browser without requiring presentation software. Built-in keyboard controls, fullscreen mode, slide numbers, and URL-based slide links support presenting and navigation.

Skill for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: mentions Claude Code.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the html-skills plugin — 19 skills shipped together

not rated 68repo +1 changed 1mo ago A scan 109 tokens original MIT

Good fit Creating technical talks, leadership briefings, onboarding walkthroughs, and other sequential visual presentations. It supports next and previous navigation, fullscreen viewing, and direct links to individual slides.

Compare 6 skills from other repositories ↓
View source ↗ f-labs-io/agent-html-skills
Install

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.

Claude Code
/plugin marketplace add f-labs-io/agent-html-skills
Claude Code
/plugin install html-skills

Made for: Claude Code.

Or install html-skills, the plugin that ships this one along with the rest of its 19 skills.

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-slideshow-deck

README.md
[![agentmods](https://agentmods.dev/badge/skills/f-labs-io/agent-html-skills/html-slideshow-deck/github.svg)](https://agentmods.dev/skills/f-labs-io/agent-html-skills/html-slideshow-deck)
Your own site
<a href="https://agentmods.dev/skills/f-labs-io/agent-html-skills/html-slideshow-deck"><img src="https://agentmods.dev/badge/skills/f-labs-io/agent-html-skills/html-slideshow-deck/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.

agentmods 80×15 button for html-slideshow-deck

Your own site · 80×15
<a href="https://agentmods.dev/skills/f-labs-io/agent-html-skills/html-slideshow-deck"><img src="https://agentmods.dev/badge/skills/f-labs-io/agent-html-skills/html-slideshow-deck.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 109 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,185 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00109 $0.02185
Opus 5.5 $0.00044 $0.00874
Sonnet 5.5 $0.00022 $0.00437
Haiku 4.5 $0.00011 $0.00218

Measured 1mo ago against content hash 08f0d0814153, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

html-slideshow-deck 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.

plugins/html-skills/skills/html-slideshow-deck/SKILL.md · 137 lines

How it starts

The opening of the file, as written. The whole thing — 137 lines — stays where its author put it; the contents beside it link to each section on GitHub.

HTML Slideshow Decks

For presentations that need to be shared as a link, contain real code or live interactivity, or be quickly assembled from existing source material, an HTML deck beats PowerPoint. It opens in any browser, presents fullscreen, and embeds anything HTML embeds.

Pre-flight — run BEFORE writing the artifact

Invoke html-skills:html-skills-listen (Skill tool) first; it is idempotent. If it returns a URL, inject it verbatim as window.__CLAUDE_SUBMIT_URL__ in the HTML you are about to write, ?t= query string included (a local, single-session loopback handshake — not a credential). If it reported web/sandbox mode, leave that line out; submitToClaude then falls back to clipboard mode.

When to use this skill

  • "Make me slides / a deck / a presentation for X"
  • "Tech talk on X"
  • "Brief leadership on Y"
  • "Walking deck for new hires on Z"
  • "Lightning talk / brown-bag on W"
  • Whenever the deliverable is sequential and visual but the user wants a URL, not a file

For decks intended for corporate distribution (board meetings, customer pitches), still consider .pptx. For internal tech talks and async sharing, prefer HTML.

Output requirements

Keyboard-navigable: →/space for next, ← for previous, f for fullscreen, Esc to exit fullscreen. Fixed 16:9 slide aspect ratio (or 16:10), centered with letterboxing on wider/narrower screens.

Each slide is a <section> with class slide. The active slide is shown; others hidden. URL hash (#3) updates with slide number so direct linking works.

Include a thin progress bar or slide counter (e.g., "4 / 17") in a corner.

Core structure

  1. Title slide — title, subtitle, presenter, date
  2. Hook / motivation — why anyone should care
  3. Body slides — the substance
  4. Recap — the three things the audience should remember
  5. Q&A / closing — call to action, contact info

Don't pad. A 15-minute talk is ~12–15 slides for tech, fewer for narrative. More than 30 slides for a short talk usually means the speaker is reading, not presenting.

Read the full file on GitHub · 137 lines

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. 1mo ago Changed · +1 lines 08f0d0814153
  2. 2mo ago Changed · +13 lines 322dbec367f3
  3. 2mo ago First seen · 123 lines · 109 tokens per session scan A 2e60753777eb

Subscribe to this mod's changes

html-slideshow-deck is a skill published in the GitHub repository f-labs-io/agent-html-skills (68 stars, last pushed 1mo ago), licensed MIT. It adds 109 tokens to every session and 2,185 once invoked, about $0.0004 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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Related

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html-slideshow-deck next to 6 skills from other repositories
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