Codex Knowledge Base
Codex CLI Shell Integration: Completions, Functions, Environment Policies and Productivity Recipes
Codex CLI runs in your terminal, yet most guides skip the glue that makes it feel native: shell completions, wrapper functions, environment variable.
Codex CLI MCP OAuth: Authenticating Remote Tool Servers with OAuth 2.1
Local MCP servers — launched via command and communicating over stdio — need no authentication. The process runs on your machine with your permissions.
Codex CLI External Agent Migration: The Detect/Import API and Cross-Agent Portability
The terminal coding agent landscape in 2026 is crowded: Codex CLI, Claude Code, Cursor, Gemini CLI, Aider, Copilot CLI, and more.
Configurable TUI Keymaps in Codex CLI: Custom Keyboard Shortcuts for Every Context
Codex CLI 0.128.0 shipped configurable TUI keymaps on 30 April 2026, closing one of the longest-running feature requests in the repository.
Agents SDK TypeScript Goes Sandbox-Native: Building Codex-Powered Agents with the Open-Source Harness
On 6 May 2026, OpenAI released v0.9.1 of the Agents SDK for TypeScript — the first version to ship sandbox agents and the open-source harness that underpins.
The Official Codex Subagents Documentation — Architecture, Patterns, and CSV Batch Processing
OpenAI's official subagents documentation page has matured into a comprehensive reference for multi-agent Codex workflows.
ProdCodeBench and Production-Derived Evaluation: Why Synthetic Benchmarks Mislead and How to Evaluate Codex CLI Against Real Workloads
Most teams selecting a coding agent rely on public leaderboards — SWE-bench Verified, Terminal-Bench 2.0, Aider Polyglot — to inform their choice. These.
PRDBench and the PRD-to-Code Gap: Why Building From Specs Is Harder Than Fixing Bugs
Most coding agent benchmarks ask a deceptively narrow question: can the agent fix this bug? SWE-bench and its variants hand the model a failing test and a.
MAESTRO Lessons for Codex CLI: What a 12-System Multi-Agent Evaluation Suite Reveals About Architecture vs Model Choice
There is a persistent assumption in the agent-building community that upgrading the backend model is the fastest route to better performance.
Kiro CLI 2.0 vs Codex CLI: Spec-Driven Development Meets Terminal-First Autonomy
The terminal agent landscape shifted again this week. AWS released Kiro CLI 2.0 with headless mode, Windows support, and a refreshed terminal UI — the same.