Register an OAuth app for Sign in with Mammoth
Workspace Owners · Updated 8 Nov 2026
OAuth apps are "Apps that let people connect their Mammoth account with Sign in with Mammoth." You register them in Workspace Settings → API Keys → OAuth apps. Only Workspace Owners can register or delete apps; others see "You can't register or delete OAuth apps in this workspace. Contact the Workspace Owner."
The card lists each app with Name, Client ID (with a copy button), Redirect URIs and Created. With none, it shows "No OAuth apps registered yet."
Register an app
- Click Register app to open Register OAuth app.
- Fill in the fields below.
- Click Register app.
- In Save these now, copy the Client ID and, for apps that aren't public, the Client secret. "The secret is shown only once. Store it securely."
- Click Done.
| Field | Required | Notes |
|---|---|---|
| Name | Yes | Up to 100 characters, for example "Acme Analytics" |
| Redirect URIs | Yes | At least one, up to 10. Use Add redirect URI for more |
| Public app | No | "No client secret. For desktop apps and CLIs." |
| Description | No | Under Optional details. Up to 500 characters |
| Logo URL, Terms of service URL, Privacy policy URL | No | Under Optional details. Each must be an https:// URL |
The app's name, logo, terms and privacy links appear on the consent screen people see when they connect the app.
Redirect URI rules
| Message | Rule |
|---|---|
| "Must be an https:// URL, or an http://localhost, http://127.0.0.1 or http://[::1] URL" | Use https, or a loopback address on your own machine |
| "Must not contain spaces, backslashes or *" | No wildcards |
| "Must not contain #" | No fragment |
Delete an OAuth app
Click the delete icon on its row. "This permanently deletes the app and every user's connection to it stops working immediately."
Limits
| Item | Limit |
|---|---|
| OAuth app Name | 100 characters |
| OAuth app Redirect URIs | 1 to 10 |
| OAuth app Description | 500 characters |
Related
- Create API keys and connect AI assistants: tokens, MCP and connected apps.
- Security: how tokens and sessions are protected.
- Authentication: tokens, the SDK and CLI sign-in for developers.
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