Configure OAuth providers for custom TLDs to resolve redirect URI mismatches.
npx skills add https://github.com/vercel-labs/portless --skill oauth-vercel-labs
Please help me install this Agent Skill. Skill: oauth Source: https://github.com/vercel-labs/portless/tree/main/skills/oauth Command: npx skills add https://github.com/vercel-labs/portless --skill oauth-vercel-labs
This Skill resolves issues with OAuth providers rejecting .localhost subdomains, preventing sign-in flows from working correctly during local development.
redirect_uri_mismatch error because Google doesn't recognize myapp.localhost. This Skill helps you configure portless with a valid TLD like .dev to fix the issue.Configure your OAuth provider to use https://myapp.dev/api/auth/callback/google as the redirect URI.
High-intent search queries and answers about installing and using this skill.
Yes, Google rejects `.localhost` subdomains during local development because it does not recognize them as valid redirect URIs. You need to configure portless with a valid TLD like `.dev` and update your Google OAuth redirect URI to `https://myapp.dev/api/auth/callback/google` to resolve the sign-in failure.
To configure OAuth redirect URIs with portless for local development, set up a custom TLD like `.dev` in portless and update your OAuth provider's dashboard with the corresponding redirect URI. You may also need to configure environment variables like `NEXTAUTH_URL` for your specific auth library.
OAuth fails when using `.localhost` domains because OAuth providers reject `.localhost` subdomains, preventing sign-in flows from working correctly. Providers require valid redirect URIs, so you must use a recognized custom TLD like `.dev` provided by portless to bypass this local development limitation.
Yes, you need to set environment variables like `NEXTAUTH_URL` for auth libraries when using custom TLDs. Configuring these environment variables ensures your authentication library correctly references the portless custom TLD redirect URI during local development sign-in flows.
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