> The Claude Agent SDK is a collection of tools that helps developers build powerful agents on top of Claude Code. https://claude.com/blog/building-agents-with

> The Claude Agent SDK is a collection of tools that helps developers build powerful agents on top of Claude Code. https://claude.com/blog/building-agents-with-the-claude-agent-sdk https://claude.com/blog/building-agents-with-the-claude-agen... From September 29, 2025