phoenix-client-development
Development guide for the @arizeai/phoenix-client TypeScript SDK — run and resume experiments, manage OpenTelemetry tracer providers with stack-based attach/detach, and write vitest unit and integration tests. Use when adding features to phoenix-client, debugging experiment lifecycle or provider cleanup, modifying dataset/prompt/session/span APIs, or writing tests for the js/packages/phoenix-client/ directory.
Source facts
- Repository
- Arize-ai/phoenix
- Last source activity
- August 29, 2026 at 01:46
- Detected SKILL.md language
- English
- Stars
- 11,868
- Forks
- 1,208
Install options
The review-first prompt is selected by default. You can switch to a direct command or download a local copy.
Review the source files
Read SKILL.md and any companion files shown by SkillsMP before deciding whether to install.
File Explorer
5 filesShowing SKILL.md
SKILL.md
Source instructions · Read-only preview- name
- phoenix-client-development
- description
- Development guide for the @arizeai/phoenix-client TypeScript SDK — run and resume experiments, manage OpenTelemetry tracer providers with stack-based attach/detach, and write vitest unit and integration tests. Use when adding features to phoenix-client, debugging experiment lifecycle or provider cleanup, modifying dataset/prompt/session/span APIs, or writing tests for the js/packages/phoenix-client/ directory.
- license
- Apache-2.0
- metadata
- {"author":"oss@arize.com","version":"1.0.0","languages":"TypeScript","internal":true}
# Phoenix Client Development
TypeScript SDK for Phoenix AI observability: datasets, experiments, prompts, sessions, spans, traces.
Read existing code in the directory you're working in before writing new code.
## Rule Files
| Rule file | When to read |
| ---------------------- | --------------------------------------------------------- |
| `rules/experiments.md` | Experiment execution, task runners, evaluator wiring |
| `rules/prompts.md` | Prompt helpers, selector shapes, server version gating |
| `rules/tracing.md` | OpenTelemetry tracer providers, span export, global state |
| `rules/testing.md` | Unit tests, integration tests, test fixtures |
## Build and Test
```bash
cd js/
pnpm --filter phoenix-client test
```
Tests use **vitest**. Test files live in `test/` named `*.test.ts`.
View on GitHub