I build open source developer tools through Metcalfe Software and write about practical ways to work with AI in software development. I’m based in South Africa.
- GHA — A GitHub assistant that helps coding agents and developers make sense of repository, pull request, and CI signals.
- The AI Code Review Protocol checklist — A free companion to my book on reviewing AI-generated code.
- pi-bedrock-auto-auth — A Pi extension that handles AWS SSO reauthentication for Bedrock providers.
You can find my books and resources or connect with me on LinkedIn.



