Nopus plugin for Codex

CommunityPluginDeveloper Tools

Deterministic prose checks for clearer coding-agent responses

How to install Nopus in Codex

1. Add the repo as a Codex plugin marketplace:

codex plugin marketplace add Vistyy/nopus

2. Install the plugin from it:

codex plugin add nopus@nopus

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 'nopus'. 'nopus' is the marketplace name from that file. Check the repo README too. Command format: Codex CLI reference.

New Codex plugins every Tuesday, install line ready to copy.

Stacks Weekly is one short email from GrokStacks and CodexStacks. Subscribe and get the free starter list: 20 Codex plugins worth installing first.

Confirmation email first. Unsubscribe anytime.

What it contains

Plugins in this marketplace (1)

  • nopus — Uses deterministic prose checks to flag overly complex coding-agent responses and ask for one clearer rewrite.

About this listing

Nopus is a community plugin on GitHub by Vistyy. Its README documents a Codex install and the repo ships a Codex plugin manifest. It passed the CodexStacks quality filter for repos found this way (at least 100 stars, pushed in the last 90 days, not a fork or a list). OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 25, 2026 (an install and load check, not a code review). From its files we found 1 plugin. It's one of 441 listings in the Developer Tools category.

Nopus FAQ

How do I install Nopus in Codex?

Add the repo as a Codex plugin marketplace with codex plugin marketplace add Vistyy/nopus, then install it with codex plugin add nopus@nopus. Commands: the command format from the Codex CLI reference; check the repo README too.

Is Nopus an official Codex plugin?

No. Nopus is a community repo on GitHub by Vistyy. It passed the CodexStacks quality filter, but OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 25, 2026 (an install and load check, not a code review), so read the code before you install it.

What does Nopus include?

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

Details

Type
Plugin
Category
Developer Tools
Source
Community
Author
Vistyy
License
MIT
GitHub stars
300 (at last sync)
Last push
2026-08-19
Manifest
.agents/plugins/marketplace.json
GitHub topics
agent-skills, claude-code, coding-agents, developer-tools, llm, openai-codex, pi-coding-agent, readability
Source
https://github.com/Vistyy/nopus
Listed via
GitHub search: README documents a Codex install
Install check by CodexStacks
Passed on Oct 25, 2026 with Codex CLI 0.163.0: Codex loaded its skills. proof · how we check

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

For maintainers: badge and embeds

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

Listed on CodexStacks

Markdown

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

HTML

<a href="https://codexstacks.com/p/nopus/"><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/nopus/" 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">Nopus</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">Deterministic prose checks for clearer coding-agent responses</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>

Markdown summary

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

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

Also in Developer Tools

All 441 developer tools listings →