# OAuth

OAuth is a standard for granting an app limited access to your account without sharing your password.

You sign in on the service's own page and approve specific permissions (scopes). Tokens are short-lived and can be revoked at any time.

Also called: OAuth 2.1.

Related: [MCP server](https://revns.com/dictionary/mcp-server.md)

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Canonical: https://revns.com/dictionary/oauth
Index of everything: https://revns.com/llms.txt
revns gives training guidance, not medical advice.
