add-skill

Add an external skill from a GitHub repository to the current workspace. Use when users want to import, install, or add a skill from a GitHub URL (e.g., `/add-skill https://github.com/OpenHands/extensions/tree/main/skills/codereview` or "add the codereview skill from https://github.com/OpenHands/extensions/"). Handles fetching the skill files and placing them in .agents/skills/.

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Install this agent skill to your Project

npx add-skill https://github.com/OpenHands/extensions/tree/main/skills/add-skill

SKILL.md

Add Skill

Import skills from GitHub repositories into the current workspace.

Workflow

When a user requests to add a skill from a GitHub URL:

Parse the URL to extract repository owner, name, and skill path

Fetch the skill using the bundled script:

bash

python3 <this-skill-path>/scripts/fetch_skill.py "<github-url>" "<workspace-path>"

Verify that SKILL.md exists in the destination
Inform the user the skill is now available

URL Formats Supported

https://github.com/owner/repo/tree/main/path/to/skill
https://github.com/owner/repo/skill-name
github.com/owner/repo/skill-name
owner/repo/skill-name (shorthand)

Example

User: /add-skill https://github.com/OpenHands/extensions/tree/main/skills/codereview

bash

# Run the fetch script
python3 scripts/fetch_skill.py "https://github.com/OpenHands/extensions/tree/main/skills/codereview" "/path/to/workspace"

# Verify installation
ls /path/to/workspace/.agents/skills/codereview/SKILL.md

Response: "✅ Added codereview to your workspace. The skill is now available."

Notes

Creates .agents/skills/ directory if it doesn't exist
Uses GITHUB_TOKEN for authentication (required for private repos)
Warns before overwriting existing skills with the same name