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Arize Phoenix
Open-source tracing and evaluation for LLM applications
observabilitymonitoringMCPCLI
Arize Phoenix is an open-source platform for tracing, evaluating, and troubleshooting LLM and agent applications. It supports OpenTelemetry, experiments, datasets, prompt iteration, and both local and hosted deployment, with official SDKs, a CLI, and MCP access for agent-assisted analysis.
Overview
Websitephoenix.arize.com
Authapi key
PricingFree tier available · $0/month
SDKstypescript, python
OpenAPIYes
MCP SupportYes