Summary
Sets up OAuth providers to work with portless local dev URLs by switching from rejected .localhost subdomains to valid TLDs like .dev or .app. Google and Apple are the main culprits here, they reject .localhost in redirect URIs even though they allow bare localhost. The skill walks through configuring Google, Apple, Microsoft, Facebook, and GitHub with the right callback URLs, plus how to set NEXTAUTH_URL and similar vars so your auth library constructs URLs correctly. If you've ever hit "redirect_uri_mismatch" during local OAuth testing, this is the fix. Includes a table showing exactly which providers block what, which is honestly useful reference material on its own.
Install to Claude Code
npx -y skills add vercel-labs/portless --skill oauth --agent claude-codeInstalls into .claude/skills of the current project.
Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
Try free for 7 days →
Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →
Block distracting apps from your iPhone permanently without a 3rd party app. Free and open source.
Block now (100% free) →
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
Free an open-source skills that make AI coding agents easier to understand, verify, and control.
Download for free →Files
SKILL.md
Select a file.
Featured
Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
Try free for 7 days →Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →Block distracting apps from your iPhone permanently without a 3rd party app. Free and open source.
Block now (100% free) →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →Free an open-source skills that make AI coding agents easier to understand, verify, and control.
Download for free →
