Replace port numbers with stable, named local URLs. For humans and agents.
Portless is a local development proxy that replaces changing port numbers with stable, named .localhost URLs for running applications. People and coding agents use it to start and access local web apps through automatically assigned ports, with support for common frameworks and optional HTTPS.
This repository also configures its own agents. See what portless tells them →
Skill Claude CodeCodex ✓ vendor
Configure OAuth providers (Google, Apple, Microsoft, Facebook, GitHub, etc.) to work with portless local dev URLs. Use when setting up OAuth redirect URIs, fixing "redirecturimismatch" or "invalid redirect" errors, configuring sign-in providers for local development, or when a provider rejects .localhost subdomains.…
Skill Claude CodeCodex ✓ vendor
Set up and use portless for named local dev server URLs (e.g. https://myapp.localhost instead of http://localhost:3000). Use when integrating portless into a project, configuring dev server names, setting up the local proxy, working with .localhost domains, or troubleshooting port/proxy issues.