find-open-port-cli

Find available TCP ports on your machine. Zero dependencies.

Install

npm install -g find-open-port-cli

Usage

# Find one available port starting at 3000
find-open-port

# Start checking from port 8000
find-open-port -p 8000

# Find 5 available ports
find-open-port -c 5

# Find 3 open ports in a specific range
find-open-port --range 4000-5000 -c 3

# Bind check on a specific host
find-open-port -h 0.0.0.0 -p 8080

Options

| Flag | Description | Default | |------|-------------|---------| | -p, --port <port> | Starting port | 3000 | | -c, --count <n> | Number of ports to find | 1 | | -h, --host <host> | Host to bind on | 127.0.0.1 | | --range <start-end> | Port range to scan | — | | --help | Show help | — | | --version | Show version | — |

License

MIT © 2026 kszongic