The arize-phoenix package consists of a sub-package named arize-phoenix-client which has the full functionality to communicate to the phoenix server. There is a legacy client exported at the top level of the arize-phoenix package that is being deprecated. Here are common migration patterns.
Connect Cursor to your Phoenix instance and the Phoenix docs. Ships the remote MCP server, the docs MCP, and skills for debugging traces, running evals, and instrumenting with OpenInference.
Add Arize AX observability to LLM applications — auto-instrumentation, trace export, dataset management, experiment workflows, prompt optimization, deep linking, and migrations from Langfuse, LangSmith, and Braintrust via the ax CLI.