skills.rest
vercel-labsvercel-labsOfficial·2 Agent Skills Included

portless

Replace port numbers with stable named localhost URLs

Replaces hard-to-remember port numbers with stable, named .localhost URLs for local development servers. Eliminates port conflicts, stale browser tabs, cookie clashes, and broken OAuth redirect URIs across projects and monorepos. Auto-starts an HTTPS proxy, assigns ports, and injects framework flags so developers and AI agents always reach the right app.
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npx skills add vercel-labs/portless --all -g -y
Available:

Gives the AI agent operational rules for working in this repo, including package manager choice, documentation sync requirements, and how to run and debug portless on a remote Windows test machine.

All Skills in This Repository (2)

Pure Emerald Level Indicators
📦 In Repo
vercel-labsvercel-labs

oauth

Configure OAuth providers for custom TLDs to resolve redirect URI mismatches.

Official
Intermediate
📦 In Repo
vercel-labsvercel-labs

portless

Replace local port numbers with stable named .localhost domains.

Official
Intermediate

Frequently Asked Questions

FAQPage Schema
How to install portless?▼

Run `npx skills add vercel-labs/portless --all -g -y` in your terminal to install all skills in this suite globally.

What problem does portless solve?▼

It replaces numeric localhost ports with stable named URLs like https://myapp.localhost, ending port conflicts, wrong-app tabs, and cookie clashes between projects.

How do I fix OAuth redirect_uri_mismatch errors locally?▼

Start the proxy with a valid TLD using `portless proxy start --tld dev`, then register the resulting https URL as the redirect URI in your provider console.

Does portless work with AI coding agents?▼

Yes. It ships SKILL.md files so agents in Claude Code, Cursor, and similar tools always use the correct named URL instead of guessing ports.

Does portless support monorepos and git worktrees?▼

Yes. One config file covers all workspace packages, and each git worktree automatically gets its own branch-based subdomain.

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