xint-oauth-callback-port-mismatch-8477-vs-3333
The spec and SKILL.md document the OAuth 2.0 PKCE callback URL as http://127.0.0.1:8477/callback, but the actual OAuth flow initiated during Phase 2b setup used port 3333. If the Developer Portal app’s registered callback URL uses 8477 and xint uses 3333 at runtime, the OAuth flow will fail with a redirect_uri mismatch. Verify which port xint actually uses with xint auth setup --help before registering the callback URL.
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