MCP1
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Weights & Biases MCP server

by Weights & Biases

Query W&B runs, metrics, Weave traces and reports.

TokenEngineeringData & analytics
Add Weights & Biases to MCP1Weights & Biases docs

What it can do

  • Query runs and metrics
  • Analyze LLM traces
  • Create reports
  • Search W&B docs

Through MCP1, every tool call is checked against your groups and rules, and recorded in the audit log.

How it connects

Connects with a token (W&B API key). From wandb.ai/authorize. MCP1 encrypts it at rest.

Multi-tenant cloud. Dedicated and Self-Managed have their own listing.

Endpoint
https://mcp.withwandb.com/mcp
Transport
Streamable HTTP
Docs
docs.wandb.ai

With MCP1

Weights & Biases for the whole team, behind one URL

  1. 01

    Install it once

    An admin adds Weights & Biases from the MCP1 catalog. Its authentication or token stays sealed in MCP1, never on a laptop.

  2. 02

    Decide who gets what

    Open it to groups, fully or read-only, and set rules per tool. Destructive tools can need an admin.

  3. 03

    Connect any client

    Claude, Cursor, ChatGPT, Codex and the rest connect one gateway URL and sign in with their own account.

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