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Claude workspaces control access to API keys, usage data, and session information for a specific team or project. Adding a member to a workspace assigns them a role that determines what they can access there.
A person must already belong to your organization before you can add them to a workspace. Invite them to the org first, then add them to the workspace their project needs.
In this guide, we'll walk through two methods to add a member to a Claude workspace:
Choose a method
You can add a member to a Claude workspace in the Anthropic Console. Use the Console to grant an existing organization member access to a specific workspace and assign their workspace role. You must be a Workspace Admin or Organization Admin to add members in the Anthropic Console.
Sign in to the Anthropic Console.
In the left sidebar, open Organization settings and click Workspaces.
In the Workspaces list, click the name of the workspace you want to add a member to. The detail page opens on its API keys tab.
In the workspace sidebar, expand Manage and click Members.
Click Add to Workspace in the top-right corner of the Members tab.
In the Add member to [workspace name] dialog, click the Member dropdown and select the organization member you want to add. The picker lists only members not yet in this workspace.
Click the Role dropdown and choose the appropriate workspace role:
Click Add to workspace. The dialog closes and the member appears as a new row in the Members list with their assigned role.
You can add a Claude workspace member in Admin365 from a central management console. Use this when onboarding colleagues to a workspace. The member must already be in your organization for them to appear in the search.
Log in to the Admin365 portal.
In the sidebar, go to Management > Workspace Member Management and click Add Workspace Member.
In the Member ID field, type the person's email address and select them from the results.
If the person doesn't appear, they haven't joined your organization yet. Invite them from your organization's Member settings first, then return to add them to the workspace.
In the Workspace Role field, choose the role that fits their access level. Workspace User for viewing resources; Workspace Developer to create or manage API keys; Workspace Admin for full workspace control.
Click Execute.
Admin365 records the result in the execution log. If the member is already in the workspace, the log shows the error and an Edit & Retry option so you can correct the input without restarting.
In the Console, reaching the member-add flow takes several navigation steps. Open Workspaces, find the workspace, open the Members tab, then click Add to Workspace. Admin365 reaches the same action from the Management sidebar directly.
Match the role to the task. Workspace Developer already covers creating and managing API keys, so reserve Workspace Admin for people who manage the workspace itself. High-privilege access will indirectly affect the organization's security
Adding a workspace member can fail at the API layer or when Admin365 submits the request on your behalf. Match the error text you see below, then follow the resolution.
Error:
The specified user is already a member of the Workspace.
What it means: The selected user already has access to the target workspace, so the API rejects the duplicate add.
Solution: Check whether the user is already a workspace member before adding them. If they are and you need to change their access, use Update Member Role instead of adding them again.
Error:
Your API key does not have permission to use the specified resource.
What it means: The acting admin or Admin365's API key lacks the Organization Admin or Workspace Admin role required to manage workspace members.
Solution: Have an Organization Admin grant the acting user (or Admin365's connection) Workspace Admin on the target workspace, then retry.
Error:
The requested resource could not be found.
What it means: The person is not an organization member yet, so the Console omits them from the Add-member picker and the API returns a not-found error.
Solution: Invite the person to the organization first via Organization settings > Members > Invite, then add them to the workspace.
Error:
There's an issue with your API key.
What it means: The Admin API key that Admin365 uses to reach Claude is malformed, revoked, or expired, so the request is rejected before the member is added.
Solution: Regenerate the Admin API key in the Claude Console and update it in Admin365's connection settings, then retry.
Manage Claude Workspace Members at Scale with Admin365
Add, update, and audit workspace members across every Claude workspace from one management console.
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