AgentScope: Building a First Agentic Application in Python

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AgentScope is an open-source Python framework for building LLM agents that can reason, call tools, retain context, and collaborate, with an emphasis on letting developers inspect and modify every prompt, message, and tool call. It requires Python 3.10 or newer and can be installed from PyPI. The article walks through a sample ReAct agent that uses a toolkit to run Python code, with each step printed to the console. Tools are plain Python functions whose type hints and docstrings are turned into schemas the model reads, and they may be sync or async and run in parallel. For multi-agent work, the framework offers sequential pipelines and a MsgHub that broadcasts replies to all participants, and the author advises creating a fresh agent instance per session because agents hold state.

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