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Connect your Braintrust account to let the Canvas Agent bring your AI evaluation data into an investigation.
Connectors work per user and per Honeycomb Team. You connect your own account, and the Canvas Agent uses the connected service as your account. Connecting a connector does not connect it for anyone else on your Honeycomb Team. If you belong to more than one Honeycomb Team, connect your account in each Team. Your tool permissions also apply only to you, in one Honeycomb Team. There are no Team-level connector controls yet.Connectors work through your account, so an automatic investigation has no connector access at all.

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What the Canvas Agent can do

  • Read eval results, logs, and traces.
  • Create or update evaluators, alerts, and automations.
Honeycomb reviews each tool in a connector and gives it a default permission. Until you set your own tool permissions, these defaults apply:
  • The Canvas Agent runs reviewed read-only tools without asking.
  • For reviewed write tools and destructive tools, the Canvas Agent asks you to approve each call.
  • The Canvas Agent does not run deprecated tools.
The Canvas Agent runs a tool only when your investigation needs it. To change the defaults, visit Managing tool permissions.

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Before you connect

The Canvas Agent connects to Braintrust through the hosted Braintrust MCP server, which has these requirements:
  • Your Braintrust organization must be in the same region as your Honeycomb Team. Honeycomb EU connects to Braintrust EU, and Honeycomb US connects to Braintrust US.
  • Self-hosted Braintrust data planes are not supported.
The Canvas Agent uses the permissions of your Braintrust account.

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Connecting Braintrust

  1. Navigate to Canvas > Connectors.
  2. Find Braintrust in the connector list.
  3. Select Connect.
  4. Authorize Honeycomb from the Braintrust authorization page.
Braintrust shows a Connected badge once the connection succeeds.

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Turning Braintrust on or off

  1. In a Canvas chat, select the plus (+) button.
  2. Choose Connectors.
  3. Use the toggle beside Braintrust.

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Disconnecting Braintrust

  1. Navigate to Canvas > Connectors.
  2. Find Braintrust and select Manage.
  3. Select Disconnect.
To learn more, visit Canvas Connectors.