1
Start Phoenix
In one terminal, start Phoenix and leave it running. It serves at Already have a Phoenix deployment? Skip this step.
http://localhost:6006:px setup can point at any running Phoenix, including a self-hosted one.2
Add tracing with a coding agent
In a new terminal, from your app’s root directory, run one of these:
px setup hands the instrumentation to your coding agent and waits until a real trace arrives. It can also install the Phoenix skills so your agent can query what you capture. See Agent-Assisted Setup for the full flow, CI usage, and unsupported agents.Quick Start
The fastest way to get started is using the Phoenix OTEL wrapper, which provides sensible defaults and automatic configuration.Python Setup
Use
phoenix.otel for automatic configuration with Phoenix-aware defaultsTypeScript Setup
Use
@arizeai/phoenix-otel to trace your Node.js applicationsInstrumentation Methods
Choose how you want to instrument your code:Auto Instrumentation
Automatically capture traces from popular frameworks and LLM providers with zero code changes
Tracing Helpers
Use decorators and helpers to easily trace specific methods or code blocks in Python
Organization
Organize your traces for better visibility and analysis:Projects
Group traces by application or environment using projects
Sessions
Track multi-turn conversations by grouping related traces into sessions