Weights & Biases MCP Server

@wandb

About Weights & Biases MCP Server

The official implementation of the W&B Models and Weave MCP server.

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "wandb-mcp-server": {
      "command": "uv",
      "args": [
        "pip",
        "install",
        "git+https://github.com/wandb/wandb-mcp-server"
      ]
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Weights & Biases MCP Server?

Query and analyze your Weights & Biases data using natural language through the Model Context Protocol. The server provides 16 tools to interact with W&B experiments, Weave traces, reports, artifacts, model registries, documentation, and automations. It is designed for ML practitioners who want to explore and debug their W&B data from AI assistants and IDEs.

How to use Weights & Biases MCP Server?

Use the hosted server at https://mcp.withwandb.com with a W&B API key from wandb.ai/authorize. One-click or one-command setup is available for Cursor, Claude Code, OpenAI Codex, and Gemini CLI. Manual configuration is provided for Claude Desktop, VSCode, OpenAI Responses API, and Mistral Chat. For local development, run uvx with the git repository via STDIO.

Key features of Weights & Biases MCP Server

Query W&B runs, metrics, and experiments via natural language
Analyze LLM traces with configurable detail levels
Create reports with charts, markdown, and custom panels
Search and explore Weave trace schemas
Compare and inspect artifact versions
List model registries, collections, and automations
Proxy W&B documentation search through a single connection

Use cases of Weights & Biases MCP Server

Analyze top runs by evaluation metrics from a specific project
Debug trace latency trends across months of production data
Generate a W&B report comparing model decisions over time
Explore artifact version histories and diff between model versions
Query W&B documentation for how-to guidance without leaving the chat

FAQ from Weights & Biases MCP Server

How do I get started?

Get your API key from wandb.ai/authorize and use the hosted server at https://mcp.withwandb.com with one-click installation in Cursor or a one-command setup in Claude Code, OpenAI Codex, or Gemini CLI.

What authentication is required?

The server uses Bearer token authentication with your W

Frequently asked questions

How do I get started?

Get your API key from [wandb.ai/authorize](https://wandb.ai/authorize) and use the hosted server at `https://mcp.withwandb.com` with one-click installation in Cursor or a one-command setup in Claude Code, OpenAI Codex, or Gemini CLI.

What authentication is required?

The server uses Bearer token authentication with your W

Comments

Basic information

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