Get in Touch

Course Outline

Introduction to OpenAI Codex CLI

  • What Codex CLI is and the 2025 open-source Rust architecture
  • Key features: prompts, file operations, bash execution, multi-step tasks
  • Comparison with Claude Code and other terminal agents
  • Overview of approval modes and security boundaries

Installation and Setup

  • Installing Codex CLI on macOS and Linux
  • Configuring API keys for OpenAI and compatible providers
  • Connecting to local backends via Ollama and Atomic Chat
  • SSH and remote development environment setup

Core Workflow Commands

  • Running single prompts and multi-turn sessions
  • File read, write, and edit operations from prompts
  • Shell command execution and piped outputs
  • Managing working directories and project context

Approval Modes and Safety

  • Configuring automatic, ask-before-execute, and fully manual modes
  • Sandboxing and read-only versus write-enabled sessions
  • Handling destructive commands and file deletions safely

Git and CI Integration

  • Using Codex CLI to generate commits and diffs
  • Pre-commit hooks with agent review
  • Running Codex CLI in headless CI environments
  • Integrating with GitHub Actions and GitLab CI

MCP Server Integration

  • Connecting to Model Context Protocol servers
  • Extending tool capabilities with custom MCP endpoints
  • Building internal MCP tools for proprietary systems

Multi-Backend Support

  • Switching between OpenAI, Gemini, and GitHub Models APIs
  • Local inference with Ollama and self-hosted endpoints
  • Model selection strategies for latency versus quality

Team Deployment and Governance

  • Shared configuration and secrets management
  • Usage policies and audit logging for enterprise
  • Setting up standardized team prompts and guardrails

Custom Prompts and Workflows

  • Writing reusable prompt templates
  • Chaining tasks for complex refactoring projects
  • Batch processing multiple files and repositories

Performance Tuning

  • Understanding Rust performance characteristics
  • Optimizing token usage for large projects
  • Caching and session state management

Troubleshooting Common Issues

  • Resolving connection failures to backends
  • Debugging prompt ambiguity and misinterpretations
  • Handling rate limiting and retry strategies

Security Best Practices

  • Protecting API keys in shared environments
  • Preventing prompt injection and command hijacking
  • Data residency and compliance considerations

Summary and Next Steps

  • Recap of core capabilities and workflows
  • Community resources and open-source contributions
  • Transitioning to advanced multi-agent orchestration topics

Requirements

  • Experience with software development in any programming language
  • Basic command-line and terminal usage
  • Familiarity with Git basics

Audience

  • Software developers looking to use AI terminal agents in their workflow
  • DevOps engineers exploring Rust-based AI tooling
  • Team leads evaluating OpenAI Codex CLI for group adoption
 14 Hours

Upcoming Courses

Related Categories