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skill-installer

Automates discovery and installation of Codex skills from curated lists or GitHub repos.

278|26|Updated Jan 14, 2026
Search Tags:#automation#github#codex#skills#repository#install#curated
One-click install
npx skills add https://github.com/ninehills/skills --skill skill-installer-ninehills
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: skill-installer
Source: https://github.com/ninehills/skills/tree/main/skills/.system/skill-installer
Command: npx skills add https://github.com/ninehills/skills --skill skill-installer-ninehills

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This tool standardizes discovering and installing Codex skills from curated lists or GitHub repos, reducing manual setup and skill management overhead.

Core Features & Use Cases

  • List and discover available skills from curated sources or external repos.
  • Install a selected skill into $CODEX_HOME/skills from a curated list or a repository path.
  • Supports private repositories and multiple paths with safe validation and deterministic placement.

Quick Start

Install a skill by specifying its repo path with --repo owner/repo and --path path/to/skill.

Frequently Asked Questions about skill-installer

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I install Codex skills directly from a GitHub repository?▼

You can install Codex skills from a GitHub repository by specifying the repo path using the --repo owner/repo and --path arguments. The tool fetches repository contents, validates the presence of SKILL.md, and copies the skill into $CODEX_HOME/skills.

Can I install skills from private GitHub repositories?▼

Yes, you can install skills from private GitHub repositories. The installation scripts support fetching contents from private repos, performing zip downloads or git sparse checkouts to securely retrieve your skills.

What is the best way to discover available Codex skills for installation?▼

The best way to discover available Codex skills is by using the tool to list and inventory installable skills from curated lists or external repositories, helping you browse and select skills before installation.

Does the skill installer require a specific directory structure to place new skills?▼

The skill installer requires the $CODEX_HOME/skills directory structure to place new skills deterministically. It validates the SKILL.md file during the process to ensure safe and correct placement within your environment.

Why validate SKILL.md when pulling skills from curated lists?▼

Validating SKILL.md when pulling skills from curated lists ensures the repository contains a proper skill definition. This safe validation step prevents broken or incomplete skills from being copied into your Codex environment.

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