# Mtg

> Design-first AI development methodology — structured workflows for design, planning, implementation, review, and commit. Governs non-trivial changes through design logs with approval gates.

- Skill: `liorhai5/mtg` (Agent Skill, multi-file: 5 files)
- Install (CLI): `npx skillmds@latest add liorhai5/mtg`
- Raw SKILL.md: https://api.skillmd.com/api/skills/liorhai5/mtg/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: liorhai5 (https://skillmd.com/u/liorhai5)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/liorhai5/mtg

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# Methodology

Read docs/rules.md — these rules govern all work in this session.

## Commands

Based on $ARGUMENTS, read and follow the relevant command file:

| Command | File | Purpose |
|---|---|---|
| challenge [NNN\|topic] | commands/challenge.md | Adversarially pressure-test whether the work should exist at all |
| design-map [destination] | commands/design-map.md | Map a known destination with a foggy route before normal design |
| research [topic] | commands/research.md | Harvest sources into files to survive context compaction |
| design [topic] | commands/design.md | Full Q&A design log for uncertain/multi-decision problems |
| plan [topic] | commands/plan.md | Lightweight plan for bounded, known-scope tasks |
| review [NNN] | commands/review.md | Review a design log from multiple perspectives |
| implement [NNN] | commands/implement.md | Systematically implement an approved design log |
| code-review [NNN] | commands/code-review.md | Review implementation against its design log |
| commit | commands/commit.md | Quality-gated commit workflow |
| investigate [topic] | commands/investigate.md | Root-cause debugging entry point — no fixes without root cause first |
| status [NNN] | commands/status.md | Progress briefing on a design log |

If no command matches, show this table and ask what the user needs.