Codex Knowledge Base
Codex CLI Model Routing in May 2026: GPT-5.5, GPT-5.4, Codex-Spark, and When to Use Each
The Codex CLI Instruction Stack: How Six Configuration Surfaces Shape Agent Behaviour
Codex CLI Granular Approval Policies and the Auto-Review Subagent: Autonomous Yet Secure Workflows
Codex CLI /goal: Persisted Long-Horizon Workflows with Pause, Resume, and Token Budgets
Building Custom MCP Servers for Codex CLI: A Practical Guide in TypeScript and Python
The Official Codex Subagents Documentation — Architecture, Patterns, and CSV Batch Processing
GPT-5.5 Instant and chat-latest: Dynamic Model Pointers for Codex CLI Developers
Debugging Codex CLI Sessions with the OpenAI Traces Dashboard and OTLP Export
Codex CLI Shell Integration: Completions, Functions, Environment Policies and Productivity Recipes
Codex CLI MCP OAuth: Authenticating Remote Tool Servers with OAuth 2.1