深度文章

Claude Code 有六种扩展方式——CLAUDE.md、Skills、子智能体、MCP 服务器、Hooks 和插件——它们之间恰好有一些重叠，容易让人困惑。本决策指南将解释每种机制是什么、何时该用、何时不该用，以及如何将它们组合起来。

The Claude Agent SDK is the agent harness as a library: the same loop and tools as Claude Code in Python and TypeScript, with control you write in code.

Six agent SDKs compete for production deployments in 2026. LangGraph leads on state control, CrewAI on rapid prototyping, and the vendor SDKs from Anthropic, OpenAI, and Google ship native tool execution. This guide compares architecture, benchmarks, token efficiency, and gateway compatibility so you can pick the right SDK for your stack.