Provision service account access with permission groups

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Summary

Goal: Find and configure role-based access control in the Braintrust UI. Features: Permission groups, service tokens, project-scoped access, Members page.

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Configuration steps

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Step 1: Locate permission groups

In Braintrust, “roles” are called Permission groups. Navigate to Settings → Permissions. Built-in groups: Owners, Engineers, Viewers, All AI Provider Access. Custom groups appear on the same page.

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Step 2: View user group assignments

To see which groups are assigned to users, go to Settings → Members.

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Step 3: Create a permission group for a service token

Before creating a service token, create a permission group scoped to the target projects.

1. Go to Settings → Permissions
2. Create a new group and set project-level permissions

A global permission group grants global access. A project-scoped group restricts the token to those projects only.

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Step 4: Create a service token and attach the group

1. Go to Settings → Service tokens
2. Create a service token and attach it to the permission group created in Step 3

The token inherits all permissions from its assigned group.

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Step 5: Add a service account directly to a project (optional)

You can also add a service account directly to a project via the project settings UI. The service token must still be attached to a permission group for proper scoping.

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Reference

• Access control documentation