Strands Agents
Strands open-source SDK for building production agent harnesses in Python and TypeScript.
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Use cases
About Strands Agents
Strands Agents is listed in our frameworks category and is aimed at builders. Strands open-source SDK for building production agent harnesses in Python and TypeScript. Pricing, as the maker states it: Open source. Maturity: Mature. We last checked the official link on 2026-10-16.
What is Strands Agents?
Strands Agents is an open-source SDK for building and running AI agents in Python and TypeScript with a model-driven approach. It runs in your process with no hosted control plane.
One SDK covers lifecycle controls (turn limits, token budgets, cancellation), tools and structured output, MCP, multi-agent patterns, memory and sessions, model portability and streaming.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: github.com/strands-agents/harness-sdk.
Who is Strands Agents for?
Developers who would otherwise write their own agent loop and want the common pieces ready-made.
Strands Agents at a glance
- GitHub: strands-agents/harness-sdk · 8,892 stars (as of Oct 21, 2026)
Key features
- Python and TypeScript SDK
- Turn limits, token budgets and cancellation
- MCP and multi-agent patterns
- Memory, sessions and streaming
Strands Agents FAQ
What is Strands Agents?
Strands Agents is an open-source SDK for building and running AI agents in Python and TypeScript with a model-driven approach. It runs in your process with no hosted control plane.
Who is Strands Agents for?
Developers who would otherwise write their own agent loop and want the common pieces ready-made.
Is Strands Agents free?
Strands Agents's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
What are alternatives to Strands Agents?
Similar tools include OpenAI Agents SDK (Python), Haystack, Upsonic, Antigravity SDK, Claude Agent SDK (Python) and AMD GAIA.
Strands Agents ratings and reviews
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Strands Agents alternatives
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OpenAI Agents SDK (Python)
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Haystack
Open-source orchestration framework for building production LLM apps, RAG and agents.
Upsonic
Python framework for building autonomous AI agents.
Antigravity SDK
Google's Python SDK for building stateful AI agents powered by Antigravity and Gemini, abstracting the agent loop and runtime.
Claude Agent SDK (Python)
Anthropic's Python SDK for building agents on Claude Code's agent loop, with the CLI bundled, custom tools and hooks.
AMD GAIA
AMD's open-source toolkit for building AI agents that run locally on Ryzen AI PCs, keeping data on the device.
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