Codex Knowledge Base
Writing Effective SKILL.md Files for Codex CLI
A skill is a directory of instructions, scripts, and resources that an agent can discover and load on demand.
Migrating a Workflow from Claude Code to Codex CLI
Full replacement is rarely the right call. This guide covers what maps cleanly between Claude Code and Codex CLI, what requires re-engineering, and what.
From Harness Engineering to Symphony: The Autonomous Development Stack
On March 5, 2026, OpenAI quietly released a GitHub repository called Symphony. Within three weeks it had 13K stars. ⚠️ [unverified] The concept it embodies.
Effective Prompting Strategies for Codex CLI
Based on official OpenAI documentation, community discussion, and developer best practices. Published 2026-03-26.
Worktree-Based Parallel Development with Codex CLI
The core limitation of sequential AI agent workflows: one agent, one thread, one context. Every task blocks the next.
Codex CLI Web Search Integration and Knowledge-Augmented Agents
Most agentic coding failures are not reasoning failures. They are knowledge failures.
Codex CLI Subagents: TOML Format, Parallelism and spawn_agents_on_csv
Codex CLI's multi-agent system lets a single session delegate specialised work to parallel child agents. Once you understand the TOML agent definition.
Model Selection in Codex CLI: Current Models and When to Use Each
Codex CLI exposes model selection as a first-class concern. You can specify a model on the command line for a single invocation.
Codex CLI MCP Integration: Connecting Agents to External Tools
There is a pattern I have noticed across thirty years of software infrastructure decisions. A powerful tool ships with a clean interface. Then someone asks.
Codex CLI Enterprise Deployment: Managed Policies and Team Configuration
Rolling Codex CLI out to a team of ten is a different proposition from running it on your own laptop. At scale you need guardrails that users cannot.