Codex Subagents: Official Documentation
Melvin Vivas · X post · 2026-09-06 · Open on X
Topics: AI Agents, Tool Use & MCP, AI Dev Tools & Productivity · Level: beginner
Summary
The creator shares OpenAI's official Codex subagents documentation. He says knowing how to configure and use subagents will be essential in 2026.
Key points
- Subagents let Codex hand subtasks to separate agents.
- The official configuration guide is in ChatGPT Learn, under agent configuration.
- The creator calls this a must-learn skill for 2026.
Resources mentioned
- Subagents | ChatGPT Learn (Codex) · docs · learn.chatgpt.com · free
Official docs for configuring subagents in Codex.
Also in: Learn Subagents in Cursor and Codex (Melvin Vivas on X · notes)
Try this
- Read the Codex subagents documentation and practice configuring subagents.
More in AI Agents, Tool Use & MCP
- Inspecting Coding-Agent Traces Live with JSONL Viewer (Codex, Claude Code)
- Codex Astra Orchestrator + Luna Subagents Skill Update
- Learn Subagents in Cursor and Codex
- Testing Model Combinations for Codex Orchestration
- JSONL Viewer v1.3.2: Live-Streaming Agent Traces from Codex, Claude Code & More
- Easy Install for the Codex Astra Orchestrator Setup