Move beyond basic prompting by turning Codex into a consistent “agent” inside a real mid-size repository. Learn how to configure durable behavior with AGENTS.md, revisit the default slash commands that control execution and risk, run Codex in non-interactive mode for automation, and reliably resume work across sessions.
Overview
Syllabus
- Unit 1: Course Project Orientation
- Complete Your Repository Orientation Prompt
- Unit 2: Authoring Agent System Prompts
- Initialize Your First Agent Instructions
- Define Your Formatting Standards
- Add Quality Checks Through Testing
- Complete Agent Safety and Documentation Rules
- Unit 3: Managing Agent Drift
- Adding Your First Documentation Rule
- Creating a Quality Checklist
- Updating Instructions After Framework Migration
- Building Interconnected API Versioning Rules
- Updating Agent Knowledge After Language Migration
- Unit 4: Using Slash Commands
- Check Your Session Dashboard
- Switching Models and Verifying Status
- Enable Safety Before Code Changes
- Unit 5: Automating Codex Sessions
- Prompted Session Shortcut
- Resume Your Test Investigation
- Fonts Investigation and Resume With --last
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