codex
Codex Skill Guide
Models
| Model | Notes |
|---|---|
gpt-5.4 |
Default & recommended — frontier reasoning + coding |
gpt-5.3-codex |
Strong coding focus |
gpt-5.3-codex-spark |
Extra fast; ChatGPT Pro only (research preview) |
- Set default:
model = "gpt-5.4"in~/.codex/config.toml - Override per-run:
codex -m gpt-5.4or/modelin-session - Reasoning effort:
--config model_reasoning_effort="high|medium|low"(or set in config)- Low → fast, well-scoped tasks; Medium/High → complex changes or debugging; Extra High → long agentic tasks
Best Practices
More from discountry/ritmex-skills
use-ctx7
Fetch up-to-date library documentation via the ctx7 CLI. Use PROACTIVELY whenever any code change, feature design, or implementation or user request involves a project dependency — always query the matching version's docs first before writing code.
30codex-prompt-optimize
>
8slack
Control Slack via the `slack` CLI to read, search, and manage messages, threads, files, reactions, channels, DMs, and canvases. Trigger on requests involving Slack messages, threads, URLs, channel history, unread or recent DMs, or sending/replying to messages (English or Chinese queries mentioning Slack).
3debug
>
2refactor
>
2clickup
Use for ClickUp tasks and docs. Trigger on ClickUp URLs, task IDs, list IDs, doc IDs, page IDs, assignees, statuses, due dates, comments, checklists, and document workflows. Use the global `clickup` CLI.
2