# Hugging Face — OpenEnv in Practice: Evaluating Tool-Using Agents in Real-World Environments

- Company: Hugging Face (huggingface.co)
- Announced: 2026-02-12T00:00:00+00:00
- Category: research-paper
- Subject: Platform
- Source: https://huggingface.co/blog/openenv-turing
- Record: https://forck.live/items/1548-openenv-in-practice-evaluating-tool-using-agents-in-real-world-environments

This post introduces OpenEnv, an open-source framework from Meta and Hugging Face for evaluating AI agents in real-world environments rather than simulations. It describes a production-grade calendar management environment (Calendar Gym) built by Turing to test tool-using agents under realistic constraints like access control and multi-step reasoning. The post reports that agents often perform well on individual actions but struggle with multi-step reasoning and reliability in longer workflows.

## Evidence

Verbatim from https://huggingface.co/blog/openenv-turing:

> OpenEnv is an open-source framework from Meta and Hugging Face designed to address this challenge by standardizing how agents interact with real environments.

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Record: https://forck.live/items/1548-openenv-in-practice-evaluating-tool-using-agents-in-real-world-environments
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