diff --git a/presentation/2026-04-25-gdg-kolachi-cli-claude-code-gemini/index.html b/presentation/2026-04-25-gdg-kolachi-cli-claude-code-gemini/index.html index 9e96b22..d8de64d 100644 --- a/presentation/2026-04-25-gdg-kolachi-cli-claude-code-gemini/index.html +++ b/presentation/2026-04-25-gdg-kolachi-cli-claude-code-gemini/index.html @@ -1863,10 +1863,60 @@ todoapp/ - +
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🎯 Skills — a real one

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+ A real skill file on disk — SKILL.md inside a named folder inside .claude/skills/ +
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+ 🧑‍💼 + Agents + — the specialists + A dedicated Claude worker — own context, own tools, own focus. Each runs in isolation. + ✅ fresh working memory per run +
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+ 📝 + CLAUDE.md + — your memory + Knowledge you provide to the model. Read every session. Keep it under 200 lines. + ⚠️ 200-line problem +
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+ 🎯 + Skills + — the know-how + What the specialist (or Claude) can actually do. Loaded on demand — only when needed. + ✅ progressive disclosure +
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+ 💭 + Context + — the working memory + What Claude holds in his head now — fresh every new chat. Finite budget; compact at ~50%. + ⚠️ dumb-zone problem +
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+ 📘 + Workflows + — the instruction manual + Repeatable step-by-step recipes — like an AC install guide. Deterministic, reproducible. + ✅ reproducible recipes +
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Skill config fields with frontmatter

Most fields control how and when the skill loads — enforced by the harness. Only description lives in prompt-land.

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The description field is the single prompt-land field — it’s what makes Claude decide when to invoke your skill. Write it well.

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Small description, full body loaded on demand — this is progressive disclosure. Claude’s main context stays lean until the skill is actually needed.

🧑‍💼 @@ -1961,7 +2012,7 @@ todoapp/ -
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🧠 Context

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Topic 2

🎓 Skills — What the Weather Reporter Knows

Skills are the specific things the reporter has been trained to do. Our reporter has two: fetch the data, and render it as a card.

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The Training Manual

Think of it like this

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When to Turn Something Into a Skill

Tip from Boris Cherny (creator of Claude Code) — Feb 1, 2026

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Why Separate Agents and Skills?

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How to Create Your Own Skill

Skills are plain markdown files. If you can write a recipe, you can write a skill.

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Skill Config Fields

The small config block at the top of a SKILL.md (the "frontmatter") controls how the skill behaves:

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Topic 3

🧠 Context — The Reporter's Brain

Now that you've met the reporter and know their skills, let's understand what they can actually hold in mind at once. Every agent — including the weather reporter — gets its own fresh brain.

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Claude's Brain

Think of it like this

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What Loads at Session Start

The moment you open Claude Code, certain things land in Claude's brain before you've typed a word. The rest waits in the wings — only loaded when you actually need it. This is called progressive disclosure.

Diagram showing what loads into Claude's context window at session start @@ -2287,7 +2338,7 @@ Fetch the current temperature for Dubai, UAE.
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Keep the Brain Clear

The more stuff crammed into Claude's brain, the harder it is to focus on what matters. This is called context rot — performance drops as the brain gets crowded.

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How to Manage Your Context

You can't create the context — it's just there, the moment you open a chat. But you can see how full it is, trim it down, or wipe it clean. Three commands give you full control.

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Topic 4

📋 CLAUDE.md — The Reporter's Pocket Rulebook

The weather reporter consults this at the start of every shift — even though their brain resets overnight. It's the standing instructions pinned in that brain before you've said a word.

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The Employee Handbook

Think of it like this

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How to Create Your CLAUDE.md

You don't need to write CLAUDE.md by hand. Claude can look at your project and draft one for you.

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Grow CLAUDE.md With Every Mistake

Tip from Boris Cherny (creator of Claude Code) — Feb 1, 2026

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What Goes in CLAUDE.md

# CLAUDE.md @@ -2521,7 +2572,7 @@ This is a TodoApp with a FastAPI backend and React frontend.
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How CLAUDE.md Loads

Claude Code uses two mechanisms to find CLAUDE.md files:

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Topic 5

⚡ Commands — The Trigger

One word kicks off the whole chain. /weather-orchestrator → agent → skill → SVG card. Commands are the entry point into any workflow.

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Commands — The Entry Point

Think of it like this

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How to Create Your Own Command

Commands are markdown files too. If you can write a recipe, you can write a command.

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Putting It All Together

🎼 Workflow — All Five Pieces Together

Watch the weather reporter example run from one keystroke to SVG card output. Five concepts, one orchestrated flow.

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Command → Agent → Skill

This is the core architecture pattern of Claude Code workflows — demonstrated in this very repo by the weather example:

The Orchestration Flow @@ -2694,7 +2745,7 @@ This is a TodoApp with a FastAPI backend and React frontend.
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Two Ways Skills Are Used

The weather workflow demonstrates both skill patterns in a single flow:

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How to Wire Your Own Workflow

A workflow isn't a separate file type. It emerges when one command calls agents and skills in sequence.

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Journey So Far

Five concepts, one running example

From meeting the weather reporter to wiring the full Command → Agent → Skill chain. The same five pieces compose every workflow you'll ever build.