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  Everything developers need to know about LLMs.
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  How AI code generation works
  Explore the capabilities and benefits of AI code generation and how it can improve your developer experience.
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Developer skills
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  Learn how to start building, shipping, and maintaining software with GitHub.
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Engineering
- Engineering
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  Architecture & optimization
  Discover how we deliver a performant and highly available experience across the GitHub platform.
  Engineering principles
  Explore best practices for building software at scale with a majority remote team.
  Infrastructure
  Get a glimpse at the technology underlying the world’s leading AI-powered developer platform.
  Platform security
  Learn how we build security into everything we do across the developer lifecycle.
  User experience
  Find out what goes into making GitHub the home for all developers.
  How we use GitHub to be more productive, collaborative, and secure
  Our engineering and security teams do some incredible work. Let’s take a look at how we use GitHub to be more productive, build collaboratively, and shift security left.
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Enterprise software
- Enterprise software
  Explore how to write, build, and deploy enterprise software at scale.
  Automation
  Automating your way to faster and more secure ships.
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  Guides on continuous integration and delivery.
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  Governance & compliance
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  Secure software development
  GitHub recognized as a Leader in the Gartner® Magic Quadrant™ for AI Code Assistants
  Learn why Gartner positioned GitHub as a Leader for the second year in a row.
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News & insights
- News & insights
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  Research
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  The library
  Older news and updates from GitHub.
  Unlocking the power of unstructured data with RAG
  Learn how to use retrieval-augmented generation (RAG) to capture more insights.
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Open Source
- Open Source
  Everything open source on GitHub.
  Gaming
  Explore open source games on GitHub.
  Git
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  Maintainers
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  Social impact
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  An introduction to innersource
  Organizations worldwide are incorporating open source methodologies into the way they build and ship their own software.
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Security
- Security
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  Application security, explained.
  Supply chain security
  Demystifying supply chain security.
  Vulnerability research
  Updates from the GitHub Security Lab.
  Web application security
  Helpful tips on securing web applications.
  The enterprise guide to AI-powered DevSecOps
  Learn about core challenges in DevSecOps, and how you can start addressing them with AI and automation.
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Landon Cox

Senior Principal Researcher, Microsoft Research

Posts by this author

GitHub Copilot Improving token efficiency in GitHub Agentic Workflows

Agentic workflows that run on every pull request can quietly accumulate large API bills. Here’s how we instrumented our own production workflows, found the inefficiencies, and built agents to fix them.

Landon Cox, Mara KieferMay 7, 2026

Generative AI
Under the hood: Security architecture of GitHub Agentic Workflows
GitHub Agentic Workflows are built with isolation, constrained outputs, and comprehensive logging. Learn how our threat model and security architecture help teams run agents safely in GitHub Actions.Landon Cox, Jiaxiao ZhouMarch 9, 2026
Learn more

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Posts by this author

GitHub CopilotImproving token efficiency in GitHub Agentic Workflows

Under the hood: Security architecture of GitHub Agentic Workflows

We do newsletters, too

Posts by this author

GitHub CopilotImproving token efficiency in GitHub Agentic Workflows

Under the hood: Security architecture of GitHub Agentic Workflows

GitHub Copilot Improving token efficiency in GitHub Agentic Workflows

GitHub Copilot Improving token efficiency in GitHub Agentic Workflows