W&B MCP Server

Example Use Cases

• 1

  Query W&B projects and runs (metrics, filters, and top-performing runs) to surface experiment insights.

• 2

  Analyze LLM traces and evaluation data (latency, failures, and trace-level diagnostics) to debug agent behavior.

• 3

  Create or programmatically generate W&B reports and list projects/entities for automation and reporting workflows.

Description

This MCP server exposes W&B data (runs, metrics, LLM traces, counts, and programmatic report creation) to MCP-capable agents and clients. It supports a hosted public endpoint for zero-config use and instructions for local development, Docker, and self-hosting. The server includes multiple tools for querying runs, analyzing traces, counting traces/storage, creating reports, listing projects, and surfacing W&B support docs. It is designed to streamline analysis workflows and integrate W&B data into agent-driven tooling.