Claude Agent SDK Reference

Instructions

Follow this document to develop any custom AI Agent based on Claude Agent SDK, with system prompts, context management, MCP/Tools/Subagents/Slash Commands/Skills Support.

For any detailed information, read the reference document.

Agent SDK overview → See [reference/Agent SDK overview.md](reference/Agent SDK overview.md)

Why use the Claude Agent SDK? What can you build with the SDK?

Agent SDK reference - TypeScript → See [reference/Agent SDK reference - TypeScript.md](reference/Agent SDK reference - TypeScript.md)

Complete API reference for the TypeScript Agent SDK, including all functions, types, and interfaces.

Agent SDK reference - Python → See [reference/Agent SDK reference - Python.md](reference/Agent SDK reference - Python.md)

Complete API reference for the Python Agent SDK, including all functions, types, and classes.