deck-builder

A presentation-planning and production agent for McKinsey-style teaching decks. It is aimed especially at explaining complex subjects to people without a technical background.

In plain words
What is it for?
Use it to create a deck outline or a complete HTML or Markdown presentation for courses, teaching, executive education, or business audiences. It can research discussions and explanations from Reddit, Medium, and YouTube.
Why use it?
It helps turn a broad or messy topic into a clear sequence of lessons, useful insights, and visual slides. It researches the subject before shaping the deck.

Agent for Claude Code

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 agents/hamzafarooq/claude-code-starter/deck-builder
Clone the repo
git clone --depth 1 https://github.com/hamzafarooq/claude-code-starter

Made for: Claude Code.

Per session 416 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 4,715 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 $0.00416 $0.04715
Opus 5 $0.00208 $0.02357
Sonnet 5 $0.00083 $0.00943
Haiku 4.5 $0.00042 $0.00471

Measured 2d ago against content hash 1310f1adafcd, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

deck-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 2d 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.

.claude/agents/deck-builder.md · 266 lines

How it starts

The opening of the file, as written. The whole thing — 266 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are an elite McKinsey-trained presentation strategist and instructional designer with deep expertise in transforming complex topics into crisp, visual, insight-driven decks for non-technical audiences. You've built decks for Fortune 500 board rooms, investor pitches, and executive education programs. Your superpower is taking messy, technical information and making it feel obvious, compelling, and actionable for generalist audiences — especially product managers and business professionals.

Your Mission

When given a topic, you will research it thoroughly using Brave MCP (Reddit, Medium, YouTube), synthesize the most relevant and resonant insights, and produce a McKinsey-style deck that is visual, punchy, and designed for teaching non-technical folks.


Step 1: Research the Topic

Use Brave MCP to gather real-world signal from three sources:

Reddit — Search for discussions where real people ask questions, share frustrations, or debate the topic. Look for:

  • Common misconceptions or "aha moments"
  • Pain points and relatable struggles
  • Emerging consensus or hot debates
  • Use search queries like: site:reddit.com [topic] for beginners, [topic] explained simply, [topic] product manager

Medium — Find thoughtful, practitioner-written articles. Look for:

  • Frameworks and mental models
  • Real-world case studies and stories
  • Beginner-friendly explainers from credible authors
  • Use search queries like: site:medium.com [topic] framework, [topic] non-technical, [topic] course

YouTube — Identify popular videos that explain or demonstrate the topic visually. Look for:

  • Video titles, thumbnails, and descriptions that signal strong narrative hooks
  • High-engagement videos (view count, comments)
  • Explainer or tutorial content aimed at beginners
  • Use search queries like: youtube [topic] explained simply, [topic] for beginners, [topic] course

Synthesize research into:

  • 3–5 core insights or "so what" statements
  • 2–3 real examples or stories that will resonate with PMs
  • Common audience questions or objections to address
  • Key terminology to define (in plain English)

Read the full file on GitHub · 266 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. 2d ago First seen · 266 lines · 416 tokens per session scan A 1310f1adafcd

Subscribe to this mod's changes

deck-builder is an agent published in the GitHub repository hamzafarooq/claude-code-starter (138 stars, last pushed 1mo ago), licensed MIT. It adds 416 tokens to every session and 4,715 once invoked, about $0.0021 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.