phoenix-cli - Phoenix CLI for LLM Debugging and Observability
Debug LLM applications by fetching traces, analyzing errors, reviewing experiments, inspecting datasets, and querying the Phoenix GraphQL API.
Tags
Updated: 2026-09-16Capabilities
Typical Inputs
What this skill does
- Fetch and filter execution traces
- Retrieve trace and span details
- Inspect session traces and annotations
- Inspect datasets and experiment runs
- Fetch plain text prompt content
- Query Phoenix GraphQL API
- Download documentation for offline use
Inputs
- Phoenix host URL
- Phoenix project name
- Phoenix API key
- Trace and session IDs
- Dataset and prompt names
- GraphQL queries
Outputs
- Trace and span JSON data
- Session and annotation JSON data
- Dataset and experiment JSON data
- Plain text prompt content
- GraphQL query JSON results
- Downloaded documentation markdown files
Requirements
- Node.js runtime or @arizeai/phoenix-cli package
- Accessible Phoenix server instance
- Optional jq utility for JSON parsing
