# Weights & Biases MCP

Vendor: Weights & Biases  
Category: developer-tools  
Auth: API_KEY  
Composio slug: `weights_and_biases`

Read W&B Models projects, runs, sweeps, artifact types, reports, automations, integrations, teams, and organizations through the W&B Cloud GraphQL API.

## Tools

- **Get Current Viewer** — Return the authenticated W&B user, default entity, and team names for connection context.
- **Get Organization** — Return a W&B organization's identifiers and organization entity by exact name.
- **Get Team** — Return a W&B team's identity and bounded membership metadata by exact team entity name.
- **List Artifact Types** — Return one page of artifact types defined in a W&B project.
- **List Automations** — Return one page of W&B automations accessible under an entity.
- **List Integrations** — List one page of Slack workspace/channel metadata and webhook integration names for a W&B entity. Webhook URLs and credentials are excluded.
- **List Projects** — Return one page of W&B projects visible under an entity.
- **List Reports** — Return one page of beta W&B reports for a project.
- **List Runs** — List one page of runs with IDs, display names, states, and creation times. Does not return run config, metrics, or history.
- **List Sweeps** — Return one page of hyperparameter sweeps from a W&B project when sweeps are enabled for the account.

## Setup

1. Create or open a Switchy Project.
2. Open Integrations and connect Weights & Biases.
3. Authorise through api_key.
4. Teammates can now @-mention Weights & Biases tools in chat.

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Last verified: 2026-09-03T02:00:04.194Z  
Canonical URL: https://switchy.build/directory/mcps/weights-and-biases