Codex Knowledge Base
Background Terminal: Running Dev Servers Alongside Codex
The Background Terminal is one of those features that sounds minor but fundamentally changes how you work with Codex.
Codex App-Server Remote Deployment: WebSocket Transport, Bearer Auth and Health Checks
The Codex app-server is the JSON-RPC layer that powers every Codex surface — the desktop app, the VS Code extension, Xcode 26.3.
The Codex App-Server: Building Custom Integrations with the JSON-RPC Protocol
Every surface where Codex runs — the web app, the macOS desktop app, the VS Code extension, the CLI itself — is powered by the same underlying harness.
Inside the Codex Agent Loop: How Your Agent Actually Works
*Based on Michael Bolins Unrolling the Codex Agent Loop series (January 2026). Source:
The Agentic Pod in Practice: Running Multiple Agent Roles in Your Team
There is a tempting shortcut when you first discover Codex subagents: drop one very large prompt into the orchestrator and hope it handles planning.
WORKFLOW.md: Version-Controlling Your Agent's Behaviour
When you adopt Symphony (or any harness-based orchestration), you face a configuration challenge: how do you define how your agents should behave, and keep.
Using Claude Code and Codex Together: The Multi-Tool Strategy
Claude Code and Codex CLI are not competitors. The practitioners who get the most out of AI-assisted development treat them as complementary tools with.
Staying Engaged with Your Codebase in an Agentic World
There is a specific feeling that sets in about two weeks after you start delegating heavily to Codex.
Skills as Progressive Disclosure: Architecture Differences Between Skills and MCP
Two mechanisms exist for giving Codex CLI access to external knowledge and tools: Agent Skills and the Model Context Protocol (MCP). On the surface they.
Security Hardening Your Codex CLI Setup
Codex CLI gives agents broad reach into your filesystem, shell environment, and network. That power comes with real attack surface.