Claude Agent SDK
Anthropic’s SDK for building agents on Claude.
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Claude Agent SDK at a glance
- Category
- Agent Frameworks
- Starting price
- Free
- Pricing model
- Open source
- Best for
- Developers building custom AI agents
One of 17 Agent Frameworks tools we verify live.
What is Claude Agent SDK?
An open-source SDK from Anthropic for building AI agents on Claude, with automatic tool execution, native MCP support, and file and command access — the same harness that powers Claude Code. Available for Python and TypeScript.
Pros
- Built on the Claude Code harness
- Native MCP + tool loop
- Python and TypeScript
Cons
- Claude-centric
- Newer, still evolving
Top Claude Agent SDK alternatives
- Agno — Fast, lightweight framework for multimodal agents.
- CrewAI — Framework for orchestrating role-playing agent crews.
- DSPy — Framework for programming, not prompting, LLMs.
- Griptape — Python framework for agents, pipelines, and workflows.
- Haystack — Open-source framework for LLM search and agents.
- LangChain — Popular framework for building LLM apps and agents.
Compare Claude Agent SDK
Claude Agent SDK FAQ
What is Claude Agent SDK?
An open-source SDK from Anthropic for building AI agents on Claude, with automatic tool execution, native MCP support, and file and command access — the same harness that powers Claude Code. Available for Python and TypeScript.
How much does Claude Agent SDK cost?
Claude Agent SDK is open source, so it's free to self-host. Confirm current pricing on the Claude Agent SDK website.
Is Claude Agent SDK free?
Yes — Claude Agent SDK is open source and free to self-host.
What are the best Claude Agent SDK alternatives?
Top Claude Agent SDK alternatives include Agno, CrewAI, DSPy. See the full list of agent frameworks alternatives on ToolMagpie.
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