ken plugin for Codex

CommunityPluginProductivity

Thompson-mode systems discipline. Think first, build bottom-up, brute force until proven, throw it out and rewrite it.

How to install ken in Codex

1. Add the repo as a Codex plugin marketplace:

codex plugin marketplace add rajnandan1/ken

2. Install the plugin from it:

codex plugin add ken@ken

This repo ships a Codex marketplace file (.agents/plugins/marketplace.json). The first command adds it as a marketplace (Codex CLI reference); the second installs the plugin 'ken'. 'ken' is the marketplace name from that file. Check the repo README too. Command format: Codex CLI reference.

What it contains

Plugins in this marketplace (1)

  • ken

Example prompts from the manifest

  • Use Ken mode for this task.
  • Review this diff for rot and translate-only layers.
  • Brute force this, then name the ceiling.

About this listing

ken is a community plugin on GitHub by rajnandan1, 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. From its files we found 1 plugin. The manifest says version 1.3.0. It's one of 104 listings in the Productivity category.

Get new Codex plugins like ken every week

The weekly CodexStacks drop: what's new and updated in the directory, in one short email.

You'll get a confirmation email first. Unsubscribe anytime.

ken FAQ

How do I install ken in Codex?

Add the repo as a Codex plugin marketplace with codex plugin marketplace add rajnandan1/ken, then install it with codex plugin add ken@ken. Both use the command format from the Codex CLI reference; check the repo README too.

Is ken an official Codex plugin?

No. ken is a community repo on GitHub by rajnandan1. 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 ken include?

From its manifest and repo files, ken includes 1 plugin: ken.

Details

Type
Plugin
Category
Productivity
Source
Community
Author
Raj Nandan Sharma
Version
1.3.0
GitHub stars
10 (at last sync)
Last push
2026-09-24
Manifest
.agents/plugins/marketplace.json
GitHub topics
agent-skills, ai-agents, claude-code, claude-code-plugin, cursor-plugin, developer-tools, ken-thompson, opencode-plugin
Source
https://github.com/rajnandan1/ken
Website
https://rajnandan.com/posts/introducing-ken/
Listed via
GitHub topic codex-plugin
Tested by CodexStacks
Not yet

Something wrong or missing? Submit or improve this listing. Listings also refresh automatically every night.

For maintainers: badge and embeds

Maintain ken? Add the badge; it links to this page.

Listed on CodexStacks

Markdown

[![Listed on CodexStacks](https://codexstacks.com/badge.svg)](https://codexstacks.com/p/ken/)

HTML

<a href="https://codexstacks.com/p/ken/"><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/ken/" 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">ken</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#b5a9a1">Community Codex plugin · 1 plugin</span><span style="display:block;margin:0 0 10px;color:#ddd3cc">Thompson-mode systems discipline. Think first, build bottom-up, brute force until proven, throw it out and rewrite it.</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>

Markdown summary

**[ken on CodexStacks](https://codexstacks.com/p/ken/)**: Community Codex plugin with 1 plugin.

More on badges, embeds and keeping your listing up to date: CodexStacks for plugin authors.

Also in Productivity

All 104 productivity listings →