This page may contain stale information. Last updated: 2026-06-07

Definition

The GitHub Copilot SDK exposes the same agentic runtime powering the github-copilot desktop app, enabling developers to build custom agent tools in six languages. Generally available at Microsoft Build 2026.

Key Points

  • Languages: Node.js/TypeScript, Python, Go, .NET, Rust, Java
  • GA date: June 2, 2026 at build-2026
  • Same runtime as Copilot app — one foundation, many surfaces (internal tools, release automation, support workflows)
  • Complements Copilot CLI redesign with voice mode and tabbed PR/issue access

Sources