Why Agents Break GitHub's Old Architecture
Jay Parikh explains how 40% agent-created PRs and 225M developers are forcing GitHub to move its entire infrastructure to Azure.
Rebuilding GitHub for the Agent Era — Jay Parikh, EVP of CoreAI, Microsoft
With swyx, Jay Parikh · Saturday, November 7, 2026
Jay Parikh, EVP of CoreAI at Microsoft, discusses how GitHub is re-architecting its platform infrastructure to support massive scale and autonomous AI agent workloads. The conversation covers Copilot Fusion and the multi-model Copilot harness, persistent cross-surface developer context, and evolving Git primitives like pull requests. Parikh also addresses the tension between securing open-source dependencies and internal rewrites, alongside strategies for tracking ROI and governance on AI token spend.
Key takeaways
- Agents now author about 40% of all pull requests on GitHub, and total agent activity grew six times in just six months. Read more →
- LLMs make code generation cheap, tempting teams to rewrite third-party packages in-house to dodge supply chain attacks, but this trades upstream security alerts for permanent internal maintenance. Read more →
- Jay Parikh, EVP of CoreAI at Microsoft, skips pull requests and issue trackers entirely when building with autonomous coding agents in his own repositories. Read more →
3 articles from this episode
Jay Parikh Says Do Not Rewrite Your Open Source Dependencies
Jay Parikh explains why using AI to rewrite open source dependencies creates a maintenance trap, and how GitHub secures upstream packages instead.
Jay Parikh on Why GitHub Is Rethinking the Pull Request
Jay Parikh explains why coding agents are making pull requests optional and how GitHub serves 225 million developers across legacy and agentic code.
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