OpenAI Docs Codex Skill
Use when the user asks how to build with OpenAI products or APIs, asks about Codex itself or choosing Codex surfaces, needs up-to-date official...
What it adds
Use when the user asks how to build with OpenAI products or APIs, asks about Codex itself or choosing Codex surfaces, needs up-to-date official documentation with citations, help choosing the latest model for a use case, or model upgrade and prompt-upgrade guidance; use OpenAI docs MCP tools for non-Codex docs questions, use the Codex manual helper first for broad Codex self-knowledge, and restrict fallback browsing to official OpenAI domains.
Get set up
- Ask Codex to install the skill with the built-in skill installer, pointing it at the source below.
- Start a new thread so Codex picks up the skill.
$skill-installer openai-docsBefore you install
Compatibility & limitations
Documented for ChatGPT desktop app, Codex CLI, Codex IDE extension
Cursor: Not confirmed for Cursor.
How it fits together
Writing Plans · SkillUse when you have a spec or requirements for a multi-step task, before touching code.Academy Guide · Skill> Stop and check this skill before finishing any reply to a question about how to use Claude or a Claude product — it recommends matching courses,...Claude API · Skill|- Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model...Doc Coauthoring · SkillGuide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs,...OpenAI Ads Conversions · PluginSet up OpenAI Ads Pixel and CAPI tracking.Sources & provenance
Reviewed 2026-09-20. Source revision: main (mutable; commit not pinned).