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smolagents

Hugging Face's minimal agent library (~1k lines). Its distinctive move is code-agents: the agent writes Python to act instead of emitting JSON tool calls, often more expressive and fewer tokens for multi-step work. Model-agnostic via LiteLLM. Run the model-written code sandboxed (E2B/Docker/Modal). Apache-2.0.

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Write an agent loop in code with smolagents (sandboxed)

Stand up a smolagents CodeAgent that writes Python to act instead of emitting JSON tool calls, and run that model-written code in a sandbox, not on your machine.

smolagentsE2B· beginner