finding-dev-server-url

To find the localhost port your dev server is running on, this Skill scans active Cursor terminal logs and parses server output from frameworks like Next.js, Vite, Django, Flask, Rails, and Express to detect running URLs automatically.

To open your local web app in Cursor's built-in browser, this Skill discovers the correct localhost URL from terminal output and optionally navigates the built-in browser directly to the detected address for immediate verification.

You can detect port conflicts and crashed processes when starting a local development server because this Skill reads terminal metadata and server log patterns to report startup issues when they appear in active terminal output.

The best way to find the correct preview URL across multiple terminal debugging sessions is using terminal scanning to identify active server processes automatically, preventing the need to manually check every terminal for the running localhost address.

Terminal scanning works with Vite, Next.js, and Rails for finding local dev server URLs, as the Skill recognizes common framework output patterns from these tools along with Django, Flask, and Express to identify active server processes.

Your dev server URL might not be detected if the terminal output lacks recognizable server log patterns, the process crashed during startup, or a port conflict prevented the server from writing its expected localhost URL to the active terminal logs.