Enhancement: Allow Adding External Skill Repositories in Codex App

Resolved 💬 2 comments Opened Mar 1, 2026 by aero-oli Closed Apr 11, 2026

What variant of Codex are you using?

App

What feature would you like to see?

🚀 Enhancement: Allow Adding External Skill Repositories in Codex App

Summary

Add support in the Codex App → Skills tab to register external Git repositories that contain skills, so their skills appear in the “Available to Install” list — alongside OpenAI-provided skills.

Problem

Currently, the Skills tab only shows skills published/curated by OpenAI.

There is no way to:

  • Add a third-party skills repository
  • Browse skills from that repository inside the app
  • Install those skills directly via the UI

This limits discoverability and prevents community-driven skill ecosystems from emerging.

Proposed Enhancement

In the Skills tab, add functionality to:

  1. Register external Git repositories
  • Public GitHub repos (e.g. https://github.com/K-Dense-AI/claude-scientific-skills)
  • Potentially support:
  • HTTPS
  • SSH
  • Local filesystem paths
  1. Automatically index skills in that repo
  • Detect skill definitions (e.g. via manifest/spec files)
  • Validate structure
  • Display each skill in the installable list
  1. Display source metadata
  • Show which repository the skill originates from
  • Display version/tag/commit
  • Indicate trust level (e.g. “External” vs “OpenAI Official”)
  1. Install directly from UI
  • Clone or fetch repo
  • Install selected skill
  • Pin version or track branch

---

Example Use Case

I add:

https://github.com/K-Dense-AI/claude-scientific-skills

The app:

  • Scans the repository
  • Detects all valid skills inside it
  • Displays them in the Skills tab under a new section like:
External Repositories
  claude-scientific-skills (GitHub)

Each skill in that repo then appears as installable just like official skills.

---

Why This Matters

  • Enables a community skill ecosystem
  • Encourages reusable skill libraries
  • Removes friction from sharing skills
  • Aligns with MCP’s modular philosophy
  • Makes Codex feel extensible rather than closed

Right now, skill reuse requires manual copying or configuration workarounds. This feature would make skill distribution first-class.

---

Optional Enhancements

  • Repo trust warnings
  • Skill signing / verification
  • Auto-update support
  • Private repo support (via token)
  • Organization-wide skill registries
  • Allow pinning to tag/commit

---

UX Suggestion

Add in the Skills tab:

  • “➕ Add Skill Repository” button
  • Repository management panel
  • Toggle to enable/disable a repo
  • Refresh button
  • Clear separation between:
  • Official Skills
  • External Skills

---

Technical Considerations

  • Define canonical skill discovery pattern (e.g. /skills/*/skill.yaml)
  • Version compatibility validation
  • Safe sandboxing for untrusted skill repos
  • Clear metadata schema

Additional information

_No response_

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