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Strands Agents SDK

An AWS-built, model-driven open-source SDK for building and running AI agents in a few lines of code, used in production by Kiro, Amazon Q, and AWS Glue.

Install

pip install strands-agents strands-agents-tools
$

A model-agnostic SDK that builds AI agents around a lightweight, customizable agent loop, letting the underlying model drive behavior instead of hardcoded control flow. It supports Python tools via decorators, native MCP integration, multi-agent systems, and many model providers including Amazon Bedrock, Anthropic, OpenAI, Gemini, and Ollama. Use it to go from a simple conversational assistant to a complex autonomous workflow without locking into one LLM vendor.