slidev-deck

slidev-deck is a skill for Claude Code, Codex from matingai/crab. It costs 24 tokens per session (425 once invoked), scanned A, original, MIT.

A tool for creating presentation decks in Slidev, a browser-based format for writing slides with Markdown, and previewing them locally.

In plain words
What is it for?
Use it to create talks, pitches, product launches, research presentations, or weekly reviews, especially when a PowerPoint file is not required at the start.
Why use it?
It gives new presentations an immediately reviewable draft while keeping the source editable as text.

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/matingai/crab/slidev-deck
Any agent
npx skills add matingai/crab --skill slidev-deck
Clone the repo
git clone --depth 1 https://github.com/matingai/crab

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 slidev-deck

README.md
[![agentmods](https://agentmods.dev/badge/skills/matingai/crab/slidev-deck.svg)](https://agentmods.dev/skills/matingai/crab/slidev-deck)
Your own site
<a href="https://agentmods.dev/skills/matingai/crab/slidev-deck"><img src="https://agentmods.dev/badge/skills/matingai/crab/slidev-deck.svg" alt="Measured on agentmods" height="20"></a>
Per session 24 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 425 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 $0.00024 $0.00425
Opus 5 $0.00012 $0.00212
Sonnet 5 $0.00005 $0.00085
Haiku 4.5 $0.00002 $0.00042

Measured 4d ago against content hash e55f914fccf1, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

slidev-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 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.

bundled-skills/slides/slidev-deck/SKILL.md · 48 lines

What it actually says

Slidev Deck

Use this skill when the user wants a new presentation, slide deck, or talk outline and does not explicitly require editing an existing .pptx file first.

Default Workflow

  1. Prefer slidev_create to scaffold the deck instead of creating .pptx directly.
  2. Let slidev_create start preview by default so the deck is immediately reviewable in the browser.
  3. Use a built-in template when the user is describing a common deck shape:
    • pitch
    • product-launch
    • research
    • weekly-review
  4. If the user provides a desired structure, pass explicit slides so the initial draft already reflects that outline.
  5. Use slidev_preview only when preview needs to be restarted for an existing .md/.mdx deck.

Routing Rules

  • If the user says "make slides", "create a deck", "prepare a presentation", or similar, start with Slidev.
  • If the user explicitly needs a .pptx output or is modifying an existing .pptx, switch to the Office/PPTX workflow.
  • If the user wants a polished browser-first deck that can later be exported, stay in Slidev as long as possible.

Notes

  • Slidev is the preferred authoring format for new presentation work.
  • Exact PowerPoint fidelity is not the goal of this workflow.
  • If the user later needs .pptx, generate the Slidev deck first and only then convert/export as a separate step.
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 · 48 lines · 24 tokens per session scan A e55f914fccf1

Subscribe to this mod's changes

slidev-deck is a skill published in the GitHub repository matingai/crab (4 stars, last pushed 2mo ago), licensed MIT. It adds 24 tokens to every session and 425 once invoked, about $0.0001 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 2026-08-31.

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