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To revoke a Claude agent’s access when someone leaves, use a Kinde lifecycle webhook to start a cleanup job, then revoke that person’s credentials and permissions in the systems that issued them. Kinde’s user.deleted event covers deletion through its UI or API; it does not itself revoke independent Anthropic, cloud-provider, MCP-server, or other tool credentials.
Choose the offboarding event that matches the action
First decide whether your policy calls for suspending the Kinde account or deleting it. These are different lifecycle actions, and a deletion event is not a safe substitute for a suspension trigger.
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For deletion
Kinde’s user-sync documentation identifies user.deleted as the event fired when a user is deleted through the Kinde UI or API. Subscribe to that event for a deletion-based offboarding flow, and check Kinde’s current event-type schema for the event name and payload your integration should handle.
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Do not assume that a suspended user produces user.deleted, or that a universal suspension-event payload is available. Kinde documents suspension and deletion as account controls, but the event support for your particular suspension flow must be confirmed in the current schema and configuration. If your offboarding process suspends rather than deletes, verify how that action reaches your application and trigger cleanup from the confirmed signal.
Keep the lifecycle decision explicit in your application: record whether the event represents suspension or deletion, and apply the policy attached to that action.
Map the Kinde identity to every agent access path
Before relying on offboarding automation, maintain a durable mapping from the stable Kinde user ID to the credentials, grants, sessions, and tool permissions the person can use through your application. Avoid using email as the only key: it can change, while cleanup needs to find the same identity and its associated resources.
Claude-based systems can authenticate in different ways. Anthropic’s Claude Code documentation lists Anthropic API credentials as well as cloud routes such as Amazon Bedrock and Google Vertex AI, and describes helper-based credential behavior. A deployed agent may also hold application sessions, MCP-server authorization, or separate credentials for connected tools. Inventory the actual setup rather than assuming that all access is represented by a single Claude credential.
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- Record the credential or grant owner: Kinde, Anthropic, a cloud provider, your application, an MCP server, or another tool.
- Record its scope: specific to one user, shared by an organization, or held as a service credential.
- Store enough metadata to locate and revoke the access later without storing secrets in the mapping itself.
- Track the revocation status and last attempt for each access path.
Build the webhook handler as a durable cleanup workflow
A webhook is a signal to begin revocation, not proof that revocation has happened. Kinde’s webhook guidance recommends verifying a webhook signature before processing it. It also recommends acknowledging promptly after queueing, and designing processing to tolerate retries and duplicate delivery.
- Receive and verify. Validate the request using Kinde’s current webhook-signature instructions before trusting the event. Reject invalid requests without starting cleanup.
- Deduplicate and persist. Store the event ID, or another stable deduplication key, with the Kinde user ID and event type. If the event has already been accepted, do not create a second independent cleanup operation.
- Queue the work durably. Enqueue a cleanup job and return a success response once the event is safely recorded and queued. Do not wait for every provider revocation call before acknowledging the webhook.
- Resolve the identity mapping. Find that user’s credentials, grants, sessions, and tool authorizations. If an expected mapping is missing, record an actionable failure rather than silently treating cleanup as complete.
- Revoke each access path. Call the system that owns each credential or permission, recording the target, attempt, result, and timestamp.
- Retry and alert. Retry transient failures with a policy appropriate to your system, and alert on terminal or prolonged failures. Kinde’s webhook guidance supports retryable, idempotent handling; it does not establish one retry schedule for every user-event configuration.
- Verify completion. Mark the job complete only when each required revocation has succeeded or has reached a documented, policy-approved terminal outcome.
Make each revocation operation idempotent: a repeated job should safely converge on disabled access, not create a new credential or undo an earlier revocation. Keep per-target results so partial failure is visible and recoverable.
Revoke credentials where they are owned
Deleting a Kinde user does not, by itself, invalidate credentials issued independently by Anthropic, a cloud model provider, an MCP server, or another connected tool. Your cleanup worker must use the revocation or disablement mechanism supported by the owner of each credential.
| Access surface | Offboarding action | Scope to check |
|---|---|---|
| Kinde-managed API key | Use Kinde’s documented mechanism to revoke the key and confirm that its verification status is inactive. | Kinde documents user-level and organization-level API keys; determine which kind the integration uses. |
| Anthropic API credential | Use the supported mechanism of the system that issued or manages the credential; do not treat a Kinde event as its revocation. | Confirm whether it is dedicated to one user or shared by an application or organization. |
| Bedrock or Vertex AI access | Revoke or disable the relevant access through the cloud provider’s credential and authorization controls. | Identify the principal, role, or credential the agent actually uses. |
| MCP server or connected tool | Remove the user’s authorization or revoke the tool credential through that service’s supported controls. | Check for separate grants, refresh tokens, sessions, and service credentials. |
| Application sessions and grants | Invalidate the user’s application sessions and remove user-scoped grants according to your application’s own controls. | Include stored sessions and permissions that remain valid independently of Kinde sign-in. |
Shared service credentials need special care. If several users rely on one key, revoking that key for one person could disrupt everyone, while leaving it active may preserve that person’s indirect access. Prefer per-user credentials or enforce user-level authorization at the application and tool boundary. Do not claim a shared key can be revoked for just one person unless its owner supports that scope.
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Kinde notes that deleting an account does not necessarily stop the person from signing up again with the same identifier when self-sign-up is enabled. If offboarding must remain effective after deletion, keep a blocklist or equivalent authorization policy and check it during sign-in, account creation, and agent access—not only during the webhook cleanup job.
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Test failure cases, not just the happy path
A successful webhook response confirms that the event was accepted according to your handler’s design; it does not prove that downstream access is denied. Test the behavior of the whole lifecycle:
- Delete a test user through the same UI or API route used in production and confirm that the expected
user.deletedevent reaches the handler. - Exercise suspension separately and confirm the actual signal your configured flow emits.
- Deliver a duplicate event and confirm the cleanup does not create duplicate or conflicting work.
- Send an invalidly signed request and confirm it is rejected.
- Simulate a queue outage and verify that the event is not acknowledged as safely handled before it is durably recorded.
- Make one provider revocation fail while others succeed; confirm the successful actions remain recorded and the failed one is retried or escalated.
- After cleanup, attempt to use the agent, its tools, and any relevant sessions as the offboarded user.
- If re-registration is possible, test whether the blocklist or equivalent policy still denies access.
Use the results to distinguish three outcomes in operational records: event received, cleanup attempted, and access verified as disabled. Those are separate states, and collapsing them into a single “webhook succeeded” flag can conceal an active credential.
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