Available in Phoenix 11.3+
You can now click “Add to Cursor” directly in the Phoenix README to get a continuously updating MCP server configuration integrated into your IDE. This makes it seamless to keep your Phoenix + MCP setup in sync while developing with Cursor.
phoenix-support Tool for AgentsThe phoenix-support tool from @arizeai/phoenix-mcp@2.2.0 allows Agents like Cursor, Claude, and Windsurf to:
Look up Phoenix and OpenInference documentation and best practices.
Use this information to make code changes automatically in your workspace.
For Example: Watch Cursor 1-shot instrument a LlamaIndex app using Phoenix without manual intervention.
Available in Phoenix 11.4+
You can now see total and segmented costs directly in your Phoenix trace headers for faster debugging and spend visibility.
Extended TraceDetails GraphQL query to include costSummary fields (prompt, completion, total).
Passes costSummary data into TraceHeader and displays formatted total cost.
Adds a tooltip in TraceHeader showing prompt vs. completion cost breakdown.