phoenix

Level AMCP ecosystemNot an MCP ServerSource

AI Observability & Evaluation

Overview

Arize Phoenix is an open-source AI observability platform for experimenting, evaluating, and troubleshooting LLM applications. It traces runtime behavior with OpenTelemetry-based instrumentation, runs LLM-driven response and retrieval evaluations, manages versioned datasets, tracks experiments on prompt, model, and retrieval changes, and includes a playground for prompt optimization and model comparison. An MCP server lets MCP-compatible clients connect to Phoenix.

⭐ 12.1kDevOps & DeploymentPythonRepo ↗Updated 2026-11-01

Installation

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