Claude Agent SDK The Claude Agent SDK lets you run Claude Code programmatically -- build AI agents that read files, write code, execute commands, search the web, and orchestrate subagents, all from your application code. Key distinction : The Agent SDK ( ) runs the full Claude Code agent loop with built-in tools. The Anthropic Client SDK ( ) is for raw API calls. Use the Agent SDK when you need autonomous tool-using agents. Quick Reference | | TypeScript | Python | |---|---|---| | Package | | | | Install | | | | Auth | env var | env var | | Core function | | | | GitHub | | | The CLI package i…