Introduction to Claude Agent SDK: SDK for Implementing "Autonomous Agents" in Python/TypeScript
Published:Dec 28, 2025 02:19
•1 min read
•Zenn Claude
Analysis
The article introduces the Claude Agent SDK, a library that allows developers to build autonomous agents using Python and TypeScript. This SDK, formerly known as the Claude Code SDK, provides a runtime environment for executing tools, managing agent loops, and handling context, similar to the Anthropic CLI tool "Claude Code." The article highlights the key differences between using LLM APIs directly and leveraging the Agent SDK, emphasizing its role as a versatile agent foundation. The article's focus is on providing an introduction to the SDK and explaining its features and implementation considerations.
Key Takeaways
- •The Claude Agent SDK enables the creation of autonomous agents using Python and TypeScript.
- •It provides a runtime environment for tool execution, agent loops, and context management.
- •The SDK is a redefinition of the former "Claude Code SDK", now positioned as a general-purpose agent foundation.
Reference
“Building agents with the Claude...”