Pieces is an AI-powered productivity tool tailored for developers. It helps manage the chaos of development workflows by providing intelligent code snippet management, contextualized copilot interactions, and proactive surfacing of useful materials. By integrating smoothly with popular tools and using local and cloud LLMs, Pieces enhances productivity, eliminates context switching, and ensures secure storage and enrichment of critical resources. It aims to reimagine productivity basics and amplify team synergy, all while keeping developers in flow with on-device LLMs and a Workstream Pattern Engine.