Hi Vercel team,

We’re integrating with Vercel MCP as an MCP client and are trying to use dynamic OAuth client registration via:

https://vercel.com/api/login/oauth/register

However, the registration request fails with:

1
{
2
  "error": "invalid_redirect_uri",
3
  "error_description": "The provided redirect URIs are not approved for use by the authorization server."
4
}

We understand that Vercel MCP currently restricts dynamic client registration to approved redirect URIs. We’d like to have our redirect URI reviewed and added to the allowlist so we can complete the OAuth flow.

Could you let us know what information you need from us to review the redirect URI and whether it would be possible to have it approved?

Thanks!