Claude Agent SDK

MIT

Agent Frameworks

12.4K starsFree (API usage billed separately)MIT

Anthropic's official SDK for building agents with Claude. Supports tool use, multi-turn, and orchestration.

About

The Claude Agent SDK is Anthropic's official framework for building production AI agents. It provides a high-level Python interface for agent loops, tool use, multi-turn conversations, and multi-agent orchestration — all built on Claude's native capabilities.

Designed for reliability over flexibility, the SDK handles the hard parts of agent development: tool execution, error recovery, context management, and streaming. It's used in production by companies like Notion, Replit, and DoorDash.

Features

First-class tool use with automatic parameter validation
Multi-agent orchestration with handoffs and delegation
Built-in guardrails and safety checks
Streaming support for real-time UIs
Session persistence and context management
Comprehensive logging and tracing

Use cases

Customer support agents with tool access
Coding assistants with file and terminal tools
Research agents that search, summarize, and synthesize
Multi-agent workflows with specialist delegation

Alternatives

LangGraphCrewAIAutoGen

Try Claude Agent SDK

Visit the official website to get started.

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