Deep Discovery plugin for Codex

CommunityPluginProductivity

100-question deep discovery process: a structured self-interrogation framework for thoroughly exploring a topic, architecture, strategy, or problem space before committing to a design.

How to install Deep Discovery in Codex

1. Add the repo as a Codex plugin marketplace:

codex plugin marketplace add forsonny/deep-discovery

2. Install the plugin from it:

codex plugin add deep-discovery@deep-discovery-marketplace

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 'deep-discovery'. 'deep-discovery-marketplace' 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)

  • deep-discovery — 100-question deep discovery process: a structured self-interrogation framework for thoroughly exploring a topic, architecture, strategy, or problem space before committing to a design.

Example prompts from the manifest

  • Run deep discovery on this architecture.
  • Stress test this plan with 100 questions.
  • Interrogate this strategy before I commit.

About this listing

Deep Discovery is a community plugin on GitHub by forsonny, 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 1.0.0. It's one of 104 listings in the Productivity category. It also appears in best Codex plugins for design and UI.

Get new Codex plugins like Deep Discovery 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.

Deep Discovery FAQ

How do I install Deep Discovery in Codex?

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

Is Deep Discovery an official Codex plugin?

No. Deep Discovery is a community repo on GitHub by forsonny. 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 Deep Discovery include?

From its manifest and repo files, Deep Discovery includes 1 plugin: deep-discovery.

Details

Type
Plugin
Category
Productivity
Source
Community
Author
forsonny
Version
1.0.0
License
MIT
GitHub stars
103 (at last sync)
Last push
2026-04-27
Manifest
.agents/plugins/marketplace.json
GitHub topics
codex-cli, codex-skill
Source
https://github.com/forsonny/deep-discovery
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 Deep Discovery? Add the badge; it links to this page.

Listed on CodexStacks

Markdown

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

HTML

<a href="https://codexstacks.com/p/deep-discovery/"><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/deep-discovery/" 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">Deep Discovery</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">100-question deep discovery process: a structured self-interrogation framework for thoroughly exploring a topic…</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>

Markdown summary

**[Deep Discovery on CodexStacks](https://codexstacks.com/p/deep-discovery/)**: 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 →