Creating Extensions

This section covers everything you need to build, sign, and publish a secure agent extension.

Reading path

1. Quickstart: Package & Sign — end-to-end walkthrough from scaffold to signed artifact
2. Declaring Permissions — choose the right permission values for your extension
3. Platform Integration — platform-specific packaging and install guides:
   • Claude Code Skills
   • OpenClaw Skills
   • Codex Skills
4. CI/CD Pipeline — automate packaging, signing, and verification in CI
5. Publishing Checklist — pre-publish verification checklist

Installing extensions?

If you are evaluating or installing extensions built by others, see Consuming Extensions.