Agentic CLEAR: Automating Multi-Level Evaluation of LLM Agents

Asaf Yehudai, Lilach Eden, Michal Shmueli-Scheuer


Abstract
Agentic systems are becoming more capable: agents define strategies, take actions, and interact with different environments. This autonomy poses serious challenges for overseeing and assessing agent behavior. Most current tools are limited, focusing on observability with basic evaluation or creating a static taxonomy of agent errors. To address this gap, we present Agentic CLEAR, an automatic, dynamic, and easy-to-use evaluation framework. It produces textual insights into the agent behavior on three levels of granularity: system, trace, and node. Agentic CLEAR operates above the observability layer, enabling seamless integration and featuring an intuitive UI that makes agent evaluation highly accessible. In our experiments on four benchmarks, seven agentic settings, and tens of thousands of LLM calls, we show that Agentic CLEAR produces high-quality, data-driven, insightful feedback. Our analysis shows strong alignment with human-annotated errors and the ability to predict task success rate.
Anthology ID:
2026.acl-demo.74
Volume:
Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 3: System Demonstrations)
Month:
July
Year:
2026
Address:
San Diego, California, United States
Editors:
Greg Durrett, Ping Jian
Venue:
ACL
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
750–763
Language:
URL:
https://preview.aclanthology.org/ingest-acl/2026.acl-demo.74/
DOI:
Bibkey:
Cite (ACL):
Asaf Yehudai, Lilach Eden, and Michal Shmueli-Scheuer. 2026. Agentic CLEAR: Automating Multi-Level Evaluation of LLM Agents. In Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 3: System Demonstrations), pages 750–763, San Diego, California, United States. Association for Computational Linguistics.
Cite (Informal):
Agentic CLEAR: Automating Multi-Level Evaluation of LLM Agents (Yehudai et al., ACL 2026)
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PDF:
https://preview.aclanthology.org/ingest-acl/2026.acl-demo.74.pdf