Phoenix PR Screenshot

Capture screenshots of the Phoenix UI to visually document a feature in a pull request. This skill handles the end-to-end workflow: build, launch, screenshot, upload, and attach to PR.

Prerequisites

• agent-browser CLI installed and available
• gsutil authenticated with access to gs://arize-phoenix-assets/
• gh CLI authenticated with the Arize-ai/phoenix repo
• pnpm and uv available for building and running Phoenix

Workflow

Step 1: Build the frontend

The Phoenix backend serves the built frontend from src/phoenix/server/static/. Build it from the app/ directory: