# phoenix

AI Observability & Evaluation

- Tier: Indexed (plain plugin)
- Category: Development
- Page: https://www.flowy.sh/listings/arize-ai-phoenix
- Source: https://github.com/arize-ai/phoenix
- Price: free and open source

## Summary
phoenix is a Claude Code plugin with 8 hand-picked skills for development work, indexed on Flowy. Install it with the command on its page. It includes annotate-spans, datasets, debug-trace. Its skills do not fire on their own yet. Request auto-invocation to have Flowy route them as you prompt. Free and open source.

## Install (Claude Code)
```
npx -y skills add arize-ai/phoenix --agent claude-code
```

## Skills
- annotate-spans
- datasets
- debug-trace
- evaluators
- experiments
- phoenix-graphql
- playground
- span-coding

## FAQ

### What is phoenix?
AI Observability & Evaluation

### How do I install phoenix?
Run these in Claude Code: npx -y skills add arize-ai/phoenix --agent claude-code. Then prompt normally.

### Does phoenix auto-invoke its skills?
Not yet. It is indexed on Flowy as a plain plugin. Request auto-invocation on its page and Flowy will route its skills for you as you prompt.

### Is phoenix free?
Yes. Flowy is free and open source, with nothing gated. You can read every skill in full before you install.