Author
Anthony Powell
Recent posts
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Agent EngineeringHow we built UI Code Mode into Arize Phoenix
We replaced the 58 tools PXI used to drive the Phoenix UI with two tools and a JavaScript sandbox that runs in your browser tab. Here's why, how… Anthony Powell September 25, 2026 25 min read -
Agent EngineeringMeet PXI: the AI engineering agent inside Phoenix
An AI engineering agent built into Phoenix. It works like a coding agent, just point it at your telemetry instead of a source tree. Mikyo King Roger Yang Nancy Chauhan Anthony Powell June 18, 2026 17 min read
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Arize gives AI teams observability and evals to understand and improve agent performance.
