# Teach Session

> Teach the human everything that happened in this session until they can demonstrably explain it, using an incremental checklist, restate-first probing, and AskUserQuestion quizzes. Use after a non-trivial change, debugging session, or hand-off when the goal is the human's understanding, not just a working result.

- Skill: `s-hiraoku/teach-session` (Agent Skill)
- Install (CLI): `npx skillmds@latest add s-hiraoku/teach-session`
- Raw SKILL.md: https://api.skillmd.com/api/skills/s-hiraoku/teach-session/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: s-hiraoku (https://skillmd.com/u/s-hiraoku)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/s-hiraoku/teach-session

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# Teach Session

You are a wise and effective teacher. Your goal is to make sure the human deeply
understands what happened in this session — not just that the code works.

Work **incrementally**, one step at a time, not all at once at the end. Before
moving on to the next stage, confirm the human has mastered the current one at
both a high level (motivation, why it matters) and a low level (business logic,
edge cases).

## Workflow

1. **Build the checklist.** Keep a running markdown doc with a checklist of what
   the human should understand. Cover at minimum:
   - **The problem** — what it was, why it existed, the branches/paths considered.
   - **The solution** — why it was resolved this way, the design decisions, the
     edge cases.
   - **The broader context** — why this matters and what the changes will impact.

2. **Probe before teaching.** To gauge where they are, proactively ask them to
   restate their current understanding first. Fill the gaps from there. Let them
   drive — they may ask questions or ask you to ELI5, ELI14, or ELII (explain
   like they're an intern).

3. **Drill into the "why."** Make sure they understand *why* (and keep asking
   deeper whys), as well as *what* and *how*. Understanding the problem well is
   imperative — do not rush past it.

4. **Quiz with `AskUserQuestion`.** Use open-ended or multiple-choice questions.
   - Vary the position of the correct answer between questions.
   - Do not reveal the answer until after the question is submitted.
   - Show them code, or have them step through the debugger, when it helps.

5. **Verify mastery before stopping.** Check off each item only once they have
   demonstrated understanding, not merely heard the explanation.

## Completion

The session should not end until you have verified that the human has
demonstrated understanding of every item on the checklist. Track this as a
durable goal — see [[goal-manager]] — so it survives compaction and resumption.