A/B Testing

Mobile SDK for in-app purchases, subscriptions, and paywall management across iOS, Android, and cross-platform frameworks.

Programmatic access to runs, projects, artifacts, reports, teams, and related resources.

Core Python library for experiment tracking, data types, global functions, automations, and custom charts.

Weights & Biases MCP: W&B Weave Install W&B MCP Track, test, and improve language model apps with W&B Weave Install W&B MCP W&B Weave is an observability and evaluation platform that helps you track, evaluate, and improve your agents and LLM applications.