Introducing Roast: Structured AI workflows made easy (2025) - Shopify

This post introduces Roast, a new open-source framework for structured AI workflows. It details Roast's convention-over-configuration approach, various step types (directory-based, command execution, inline prompts, custom Ruby), and built-in tools. A key contribution is the CodingAgent, which integrates Claude Code for iterative AI tasks like complex code modifications and bug fixing. The post also highlights Roast's session replay feature for faster development and provides real-world examples of its impact at Shopify, including test grading, Sorbet type annotation ('Boba'), SRE monitoring, competitive intelligence, and code research.