Gnos plugin for Codex

CommunityPluginEducation & Research

A teaching harness that diagnoses the learner's reasoning gap and selects the right teacher, subject guidance, and learning artifact.

How to install Gnos in Codex

✓ Install-checked in Codexchecked Oct 29, 2026 · 13 skills, 5 MCP tools proof

1. Add the repo as a Codex plugin marketplace:

codex plugin marketplace add madhvantyagi/Gnos

2. Install the plugin from it:

codex plugin add gnos@gnos

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 'gnos'. 'gnos' 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)

gnos — A teaching harness that diagnoses the learner's reasoning gap and selects the right teacher, subject guidance, and learning artifact.

Example prompts from the manifest

Teach me a difficult idea from the point where my reasoning breaks.
Help me understand this computer-science concept with a useful diagram.
Build a course around what I want to be able to do.

About this listing

Gnos is a community plugin on GitHub by madhvantyagi. 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 29, 2026 (an install and load check, not a code review). From its files we found 1 plugin. The manifest says version 0.2.0. It's one of 59 listings in the Education & Research category (category assigned by CodexStacks from the repo's topics and description).

Gnos FAQ

How do I install Gnos in Codex?

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

Is Gnos an official Codex plugin?

No. Gnos is a community repo on GitHub by madhvantyagi. It passed the CodexStacks quality filter, but OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 29, 2026 (an install and load check, not a code review), so read the code before you install it.

What does Gnos include?

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

Details

Type: Plugin
Category: Education & Research (assigned by us)
Source: Community
Author: Madhvan Tyagi
Version: 0.2.0
License: MIT
GitHub stars: 344 (at last sync)
Last push: 2026-10-29
Manifest: .agents/plugins/marketplace.json
Source: https://github.com/madhvantyagi/Gnos
Listed via: GitHub search: README documents a Codex install
Install check by CodexStacks: Passed on Oct 29, 2026 with Codex CLI 0.163.0: Codex started its MCP server and listed its tools. 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 Gnos? Add the badge; it links to this page.

Markdown

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

HTML

<a href="https://codexstacks.com/p/gnos/"><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:

GnosCommunity Codex plugin · 1 pluginA teaching harness that diagnoses the learner's reasoning gap and selects the right teacher, subject guidance, and…View on CodexStacks →

<a href="https://codexstacks.com/p/gnos/" 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">Gnos</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">A teaching harness that diagnoses the learner&#x27;s reasoning gap and selects the right teacher, subject guidance, and…</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>

Markdown summary

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

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

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