Building an agentic memory system for GitHub Copilot

GitHub aims to transform Copilot into an ecosystem of agents that collaborate throughout the software development lifecycle, enhancing workflows from coding to maintenance by leveraging cross-agent memory systems. This approach allows Copilot agents to remember and learn from past interactions, creating a cumulative knowledge base that improves their effectiveness over time. By implementing a just-in-time verification system, Copilot ensures that stored memories are accurate and relevant, which mitigates risks associated with outdated or incorrect information. This system allows agents to apply learned insights across tasks, such as maintaining consistency in API versioning or logging conventions. Initial tests show significant improvements in developer workflows, including increased pull request merge rates and positive feedback on code reviews, demonstrating the tangible benefits of memory-enabled agents. Currently available in public preview for paid Copilot plans, the memory system is opt-in, ensuring users can control when and where it is implemented, with GitHub actively seeking user feedback to refine and expand this functionality.