Arize Prompt Optimization Skill

SPACE — --space flags accept a space name (e.g., my-workspace) or a base64 space ID (e.g., U3BhY2U6...). Confirm a known name with ax spaces get NAME; ax spaces list is for human browsing.

Related skills

• arize-prompts: Create, version, and label prompts in Prompt Hub with ax prompts (JSON messages, providers, labels such as production). Use that skill when the artifact should live in Arize; use arize-prompt-optimization below to improve prompt text from traces, datasets, and experiments.

Concepts

Where Prompts Live in Trace Data

LLM applications emit spans following OpenInference semantic conventions. Prompts are stored in different span attributes depending on the span kind and instrumentation: