The CLI directory for the agent era
Find the best CLI
for any service
CLIs are the interface layer AI agents use to interact with the world. We index them so you can find the right one.
216 CLIs · 2 agent-ready · Why CLIs matter →
Or skip the search — let your agent find CLIs · curl clis.dev/api/clis
Fast, multi-platform web server with automatic HTTPS
Zero-config VPN — connect devices securely without port forwarding
Expose local servers to the internet with secure tunnels
Expose your localhost to the world — instant public URLs for dev servers
Test internet bandwidth using speedtest.net from the command line
Mobile shell — remote terminal that supports roaming and intermittent connectivity
Cloudflare Tunnel client — expose local services securely without port forwarding
Cloudflare zero-trust client — VPN and DNS security from terminal
Transparent proxy VPN over SSH — poor man's VPN that just works
Ping with a graph in the terminal
Terminal UI for tshark, inspired by Wireshark
Network diagnostic tool combining traceroute with TUI
Command-line DNS client like dig but with colors and DNS-over-TLS
Modern command-line DNS client with colors, JSON output, and DNS-over-HTTPS
Network diagnostic tool combining traceroute and ping
Fast, modern, secure VPN tunnel — kernel-level performance
Why CLIs?
The interface layer for AI agents
AI agents don't click buttons — they run commands. A single CLI call uses ~200 tokens. The equivalent MCP server dumps 55,000 tokens into your context window. That's a 275x difference →