presentation-builder

presentation-builder is a skill for Claude Code, Codex from duc01226/EasyPlatform. It costs 32 tokens per session (6,293 once invoked), scanned A, original, MIT.

A method for turning a subject and source material into a presentation for a specific audience. It covers the presentation's story, visuals, speaker notes, and behaviour while it is being shown.

In plain words
What is it for?
Use it to plan and build presentations, organise source material, create notes and visuals, and check how the result runs.
Why use it?
It helps keep the content, visual structure, and delivery experience reviewable as one coherent presentation.

Skill for Claude CodeCodex

Written for Claude Code and Codex: disable-model-invocation in frontmatter, but also agents/openai.yaml present. Also seen: reads .claude/ paths; mentions subagents; installed under .agents/ (shared by several agents).

Good fit Use it to plan and build presentations, organise source material, create notes and visuals, and check how the result runs.

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Install with agentmods
npx agentmods add skills/duc01226/easyplatform/presentation-builder
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.

Any agent
npx skills add duc01226/EasyPlatform --skill presentation-builder
Clone the repo
git clone --depth 1 https://github.com/duc01226/EasyPlatform

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 presentation-builder

README.md
[![agentmods](https://agentmods.dev/badge/skills/duc01226/easyplatform/presentation-builder/github.svg)](https://agentmods.dev/skills/duc01226/easyplatform/presentation-builder)
Your own site
<a href="https://agentmods.dev/skills/duc01226/easyplatform/presentation-builder"><img src="https://agentmods.dev/badge/skills/duc01226/easyplatform/presentation-builder/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 presentation-builder

Your own site · 80×15
<a href="https://agentmods.dev/skills/duc01226/easyplatform/presentation-builder"><img src="https://agentmods.dev/badge/skills/duc01226/easyplatform/presentation-builder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 32 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 6,293 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 $0.00032 $0.06293
Opus 5.5 $0.00013 $0.02517
Sonnet 5.5 $0.00006 $0.01259
Haiku 4.5 $0.00003 $0.00629

Measured 3d ago against content hash b3218a9f88e3, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

presentation-builder 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 3d ago.

The scan reads SKILL.md. This mod also ships 5 executable files (scripts/create-presentation.cjs, scripts/validate-presentation.cjs, tests/create-presentation.test.cjs, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

.agents/skills/presentation-builder/SKILL.md · 244 lines

How it starts

The opening of the file, as written. The whole thing — 244 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Codex compatibility note:

  • Invoke $skill-name: load the registered .agents/skills/<name>/SKILL.md and execute it with Codex tools; no separate Skill tool or Claude mode switch is needed. Author .claude/**; mirrors are generated.
  • Track steps before execution and keep progress/evidence current. Explicit skill requests execute their protocol. Use the native question tool for required questions.
  • Map foreign tool names to available host capabilities. A name mismatch needs no approval; an actually unavailable required capability stops with its step/evidence and a user question before adaptation.
  • Subagent authorization: when a skill is user-invoked or AI-detected and its protocol requires subagents, that skill activation authorizes use of the required spawn_agent subagent(s) for that task.
  • Preserve protocol order unless the user approves a deviation. Workflows use $start-workflow: gates stay fixed; other steps may flex with logged reasons and evidence.

[BLOCKING] Execute the declared steps in order. Keep one task in_progress; mark each task completed with evidence immediately after it returns. [BLOCKING] If task tools are unavailable, maintain an equivalent tracker in the working response or a disposable report under tmp/reports/. [BLOCKING] Do not claim browser behavior passed when only static inspection was possible.

Quick Summary

Goal: Turn any subject and source material into a clear, audience-specific presentation whose story, visuals, notes, and runtime behavior are all reviewable.

Summary:

  • Frame audience/goal/environment and evidence boundaries; build a source ledger; select a subject-appropriate narrative archetype and slide map.
  • Create and critique a subject-grounded design plan; generate semantic, self-contained HTML with stable slide/purpose/note markers.
  • Guarantee the presenter runtime: complete notes, notes toggle, keyboard navigation, accessible state, explicit edit mode, local draft persistence, reset, export, overview, fullscreen, print, and reduced motion.
  • Run static validation, browser/manual rehearsal when available, and a final evidence report that distinguishes PASS from NOT VERIFIABLE.

Default output: One self-contained HTML deck. If another format is requested, keep a companion editable HTML deck unless the requested artifact itself satisfies the runtime contract.

Non-negotiables: Every slide has a job, title, source/rationale, and detailed speaker notes. The deck always includes a visible notes toggle and an explicit edit mode with editable prose and notes, local draft persistence, reset, and clean export.

Workflow: frame audience/goal/environment → research and source claims → choose narrative archetype → write slide map → make a subject-grounded design plan → generate → validate → manually rehearse/review → report evidence and limits.

Utilities: node .claude/skills/presentation-builder/scripts/create-presentation.cjs <deck.json> <output.html> generates a self-contained contract-compliant starter deck; node .claude/skills/presentation-builder/scripts/validate-presentation.cjs <deck.html> [--profile=presenter|review] performs deterministic static checks against one conformance profile (default presenter; review makes only the five editing checks advisory — references/web-runtime-contract.md §9). Run both utility test files after changing them.

Key Rules:

  • MUST ATTENTION give every slide a single job, stable ID, meaningful title, rationale, and non-empty notes.
  • MUST ATTENTION keep notes detailed enough for presenter handoff: talk track, why, evidence/caveat, timing, transition, and question.
  • MUST ATTENTION provide visible Notes and Edit mode controls with stateful accessible semantics.
  • MUST ATTENTION protect structure and persist edits as a namespaced local draft with reset and clean export.
  • ALWAYS preserve keyboard navigation and a visible progress/status path.
  • ALWAYS run static validation, then verify browser behavior separately when a browser is available.
  • NEVER invent subject claims, precision, sources, audience, or design rationale.
  • NEVER claim interactive, offline, fullscreen, persistence, or accessibility behavior from static markup alone.

Read the full file on GitHub · 244 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. 3d ago First seen · 244 lines · 32 tokens per session scan A b3218a9f88e3

Subscribe to this mod's changes

presentation-builder is a skill published in the GitHub repository duc01226/EasyPlatform (12 stars, last pushed yesterday), licensed MIT. It adds 32 tokens to every session and 6,293 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 2026-10-18.

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