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Best Anthropic Agent SDK Alternatives

175 frameworks you can use instead of Anthropic Agent SDK. Ranked by popularity, tag overlap, and public GitHub signals when available.

anthropicclaudemcptool-usepythonagents
A

Anthropic Agent SDK

Reference

Claude-native agent framework with built-in MCP and tool use — 4.6K stars

3.8K2.5M/wtoday67

Top Alternatives to Anthropic Agent SDK