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smolagents

smolagents AI Agent
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Overview

Hugging Face’s Python library for agents that use tools and execute code to complete developer-defined tasks.

smolagents provides CodeAgent for Python-based actions and ToolCallingAgent for conventional tool calls. Developers connect a model and tools, then let the agent choose steps toward a supplied task. It supports model-provider APIs, local models, MCP tools and sharing through Hugging Face Hub.

Generated code can run in supported sandbox environments such as Docker, E2B, Modal or Blaxel. Developers remain responsible for tool permissions, credentials, execution limits and reviewing results. A model-and-tool configuration suitable for a prototype still needs evaluation for its intended production use. The screenshot and introductory video show an earlier library version.

Product overview

Capabilities, pricing and fit

Hugging Face’s Python library for agents that use tools and execute code to complete developer-defined tasks.

Information as of October 16, 2026

What it can do

  • Workflow

    smolagents provides CodeAgent for Python-based actions and ToolCallingAgent for conventional tool calls. Developers connect a model and tools, then let the agent choose steps toward a supplied task. It supports model-provider APIs, local models, MCP tools and sharing through Hugging Face Hub.[1], [2]

Where it fits best

  • Building code-executing research agents[1], [2]
  • Prototyping tool-based workflows in Python[1], [2]

Pricing and availability

The library is open source. Model inference, hosted sandboxes, storage and application hosting have their own costs; local execution still requires suitable hardware.[1], [2]

Access: Developer-managed source setup; see workflow requirements.[1], [2]

Sources (2)
  1. github.com — product detailsOfficial site · checked 2026-10-16
  2. huggingface.co — product detailsOfficial site · checked 2026-10-16

Autonomy level

79/100

Our subjective rating of how independently the product carries out its documented tasks, considering the human setup, input, approval and review it needs. This is not a measured success rate.

Reasoning: An agent chooses and executes multiple tool or code steps in response to a goal, using the model and environment configured by its developer. Humans define tools, permissions, execution limits and validation criteria. This is enabled workflow autonomy; the library alone does not provide a trustworthy unattended business process.

Comparisons


Custom Comparisons

Some of the use cases of smolagents:

  • Building code-executing research agents
  • Prototyping tool-based workflows in Python

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Popularity level: 61%

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