Codex How To plugin for Codex
Model-adaptive Codex workflows for engineering and review-first knowledge maintenance.
How to install Codex How To in Codex
The repo has a Codex plugin manifest (.codex-plugin/plugin.json) but no marketplace file, so there's no one-line install. Follow the install steps in the repo README.
What it contains
The plugin manifest doesn't list components inline. See the repo.
Example prompts from the manifest
- Choose the smallest engineering workflow for my task.
- Run an evidence-driven engineering loop.
- Review this change against its requirements.
About this listing
Codex How To is a community plugin on GitHub by Phelan164, tagged codex-plugin. It passed the CodexStacks quality filter (at least 10 stars, pushed in the last 180 days, not a fork, has a description and a manifest or README). OpenAI hasn't reviewed it and we haven't tested it. The manifest says version 0.5.0. It's one of 79 listings in the Developer Tools category.
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Codex How To FAQ
How do I install Codex How To in Codex?
It has a Codex plugin manifest but no marketplace file, so there's no one-line install. Follow the install steps in the repo README.
Is Codex How To an official Codex plugin?
No. Codex How To is a community repo on GitHub by Phelan164. It passed the CodexStacks quality filter, but OpenAI hasn't reviewed it and we haven't tested it, so read the code before you install it.
What does Codex How To include?
The plugin manifest doesn't list components inline. See the repo.
Details
- Type
- Plugin
- Category
- Developer Tools
- Source
- Community
- Author
- Phelan164
- Version
- 0.5.0
- License
- MIT
- GitHub stars
- 13 (at last sync)
- Last push
- 2026-10-09
- Manifest
.codex-plugin/plugin.json- GitHub topics
- agent-skills, agentic-workflows, ai-agents, ai-coding, code-review, codex-cli, codex-skills, coding-agents, developer-tools, devops, karpathy-wiki, knowledge-management
- Source
- https://github.com/Phelan164/codex-howto
- Website
- https://codex-howto-benchmark.nguyenvantamdk2.chatgpt.site
- Listed via
- GitHub topic codex-plugin
- Tested by CodexStacks
- Not yet
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For maintainers: badge and embeds
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Markdown
[](https://codexstacks.com/p/codex-howto/)HTML
<a href="https://codexstacks.com/p/codex-howto/"><img src="https://codexstacks.com/badge.svg" alt="Listed on CodexStacks" width="172" height="28"></a>Embed card (static HTML and inline CSS, no JavaScript). Preview:
<a href="https://codexstacks.com/p/codex-howto/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #3a2c26;border-radius:12px;background:#0d0b0a;color:#f3ece6;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#f3ece6">Codex How To</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#b5a9a1">Community Codex plugin</span><span style="display:block;margin:0 0 10px;color:#ddd3cc">Model-adaptive Codex workflows for engineering and review-first knowledge maintenance.</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>Markdown summary
**[Codex How To on CodexStacks](https://codexstacks.com/p/codex-howto/)**: Community Codex plugin.More on badges, embeds and keeping your listing up to date: CodexStacks for plugin authors.
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