We Kept Rebuilding Our AI Agent. Here's What Survived - Fuad Ali, Arize AI
Source
youtube.com
Author
AI Engineer
Date
Why it matters
Gives tested design decisions for a production AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition →: put the plan in the agent harnessThe scaffolding around a model that turns it into a working agent — the loop, the tools it can call, and the rules for when to stop.Full definition →, gate completion explicitly, and use one small per-user memory file instead of vector stores or knowledge graphs.
Terms in this piece · Glossary
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
agent harness — The scaffolding around a model that turns it into a working agent — the loop, the tools it can call, and the rules for when to stop.
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