{"type":"post","id":"uaef-a-framework-agnostic-system-for-closed-loop-c647d5","slug":"uaef-a-framework-agnostic-system-for-closed-loop-c647d5","title":"UAEF: A framework-agnostic system for closed-loop evaluation of AI agents","description":"AWS has introduced UAEF, an open-source system for evaluating agents across frameworks using a shared trace format and 36 metrics.","retrieval_nugget":"AWS has introduced UAEF, an open-source system for evaluating agents across frameworks using a shared trace format and 36 metrics. For teams changing prompts, models, or tools, its central promise is comparable evaluations and stored baselines that can help surface regressions before release.","published_at":"2026-11-11","updated_at":"2026-11-11","record_date":"2026-11-11","date_kind":"published_at","topics":["evals","agents","agent-observability"],"entities":["Amazon Web Services","Universal Agent Evaluation Framework","LangGraph","LangChain","Strands Agents","Amazon Bedrock AgentCore","Amazon Bedrock"],"related_patterns":["verification-bandwidth-is-the-scarce-resource"],"novelty_label":"new_fact","what_changed":"AWS introduces the Universal Agent Evaluation Framework, a framework-agnostic system for closed-loop evaluation of AI agents.","prior_refs":[],"source_url":"https://aws.amazon.com/blogs/machine-learning/uaef-a-framework-agnostic-system-for-closed-loop-evaluation-of-ai-agents","source_urls":["https://aws.amazon.com/blogs/machine-learning/uaef-a-framework-agnostic-system-for-closed-loop-evaluation-of-ai-agents"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:uaef-a-framework-agnostic-system-for-closed-loop-c647d5","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/uaef-a-framework-agnostic-system-for-closed-loop-c647d5/","markdown":"https://newruntime.com/posts/uaef-a-framework-agnostic-system-for-closed-loop-c647d5.md","json":"https://newruntime.com/posts/uaef-a-framework-agnostic-system-for-closed-loop-c647d5.json"},"markdown_url":"https://newruntime.com/posts/uaef-a-framework-agnostic-system-for-closed-loop-c647d5.md","next_reads":[{"type":"topic","path":"/topics/evals/","url":"https://newruntime.com/topics/evals/","title":"Evals","reason":"Explore the evals topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/evals.md","json_url":"https://newruntime.com/topics/evals.json"},{"type":"topic","path":"/topics/agents/","url":"https://newruntime.com/topics/agents/","title":"Agents","reason":"Explore the agents topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/agents.md","json_url":"https://newruntime.com/topics/agents.json"},{"type":"topic","path":"/topics/agent-observability/","url":"https://newruntime.com/topics/agent-observability/","title":"Agent Observability","reason":"Explore the agent-observability topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/agent-observability.md","json_url":"https://newruntime.com/topics/agent-observability.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}