Discourse as an SAML, OAUTH IDP?

[sam (Sam Saffron)]

See:

Using Discourse as an identity provider (SSO, DiscourseConnect)

So you want to use Discourse as an identity provider for your own web app? Great! Let’s get started. Enable DiscourseConnect provider setting Under Discourse admin site settings (/admin/site_settings) enable setting enable discourse connect provider and add a secret string to discourse connect provider secrets (used to hash SSO payloads). Implement DiscourseConnect in your web app: Generate a random nonce. Save it temporarily so that you can verify it with returned nonce value Create a …

That is built in, OAUTH2 provider etc would require a custom built plugin, no such plugin exists.