Start here
Make your first useful change.
A short learning path with an outcome at every step.
Choose a goal and follow it through
Choose a learning path
Beginner · 3 lessons
Your first useful Codex task
Start with a clear brief, make one small change, and check the result.
Suggested practice: 30–45 minutes
Read → practise → verify
Open this path →WordPress · 3 lessons
Improve a WordPress page with evidence
Inspect a real layout, use a focused skill, and compare the result at two widths.
Suggested practice: 45–60 minutes
Read → practise → verify
Open this path →Developer · 3 lessons
Reproduce, fix, and verify a bug
Use a failing reading-list example to practise a complete debugging loop.
Suggested practice: 30–45 minutes
Read → practise → verify
Open this path →Follow the learning path
- Start from the terminal
Open the intended project and complete a small first task.
- Write the repository briefing
Give the session the map, commands, and boundaries it needs.
- Adapt a project brief
Define the result and the evidence you expect.
- Debug instruction scope
Find conflicting or missing repository instructions.
Keep a useful template
Adapt the file to your project and keep the actual validation commands.
When something gets stuck
Diagnose the symptom before adding more instructions.
Curated supporting resources
Library results
Project brief template
Define the outcome, constraints, and acceptance evidence.
- Best for
- Define the outcome, constraints, and acceptance evidence.
- Requires
- A concrete project task.
- Limit
- You must supply the actual context and commands.
AboutCodex template · Checked 2026-09-10
View template : Project brief templateAGENTS.md documentation
Understand instruction discovery and scope.
- Best for
- Understand instruction discovery and scope.
- Requires
- A project with repository instructions.
- Limit
- Conflicting project instructions still need review.
Curated primary reference · Checked 2026-09-10
View reference : AGENTS.md documentation