tunneling
Expose local ports to the internet as public HTTPS URLs using tinyfi.sh SSH tunnels. Use when you need to expose a locally running app, test webhooks, or give TinyFish access to a site that is only hosted locally — tunnel it first, then point TinyFish to the tunneled URL. No signup, no API key, no installation beyond SSH.
What this skill does
# TinyFish Tunneling (tinyfi.sh) Create instant public HTTPS URLs for locally running apps via SSH tunneling. Free, no account, no installation beyond SSH. ## Pre-flight Check (REQUIRED) ```bash which ssh && echo "SSH available" || echo "SSH not found — install OpenSSH first" ``` If SSH is not available, stop and tell the user to install OpenSSH. --- ## Quick Start **Warning:** This exposes your local service to the public internet. Do not tunnel admin panels, debug endpoints, or services that expose secrets or credentials. ```bash ssh -o StrictHostKeyChecking=accept-new -R 80:localhost:<PORT> tinyfi.sh ``` Replace `<PORT>` with the port your app is running on. The command prints a public `https://<random>.tinyfi.sh` URL. > **Note:** `StrictHostKeyChecking=accept-new` automatically trusts the tinyfi.sh host key on first connection and rejects changes on subsequent connections. If you require stricter verification, manually confirm the server fingerprint before first use. --- ## Custom Subdomain Request a specific subdomain instead of a random one: ```bash ssh -o StrictHostKeyChecking=accept-new -R myname:80:localhost:<PORT> tinyfi.sh ``` This gives you `https://myname.tinyfi.sh`. --- ## Keep-Alive (Stable Connections) For long-running tunnels, add a keep-alive interval to prevent disconnection: ```bash ssh -o StrictHostKeyChecking=accept-new -o ServerAliveInterval=60 -R 80:localhost:<PORT> tinyfi.sh ``` --- ## Usage Guidelines When starting a tunnel for the user: 1. **Ask which port** to expose if not already specified 2. **Run the SSH command** in the background so the agent can continue working 3. **Report the public URL** back to the user once the tunnel is established 4. The tunnel stays open as long as the SSH connection is alive ## Common Ports | Framework / Tool | Default Port | |----------------------|-------------| | Next.js / React / Express | 3000 | | Vite | 5173 | | Django | 8000 | | Flask | 5000 | | Go (net/http) | 8080 | | Ruby on Rails | 3000 | | PHP (built-in) | 8000 | ## Rate Limits - 5 SSH connections per minute per IP - 100 HTTP requests per minute per IP - 50 concurrent connections max - 48-hour idle timeout $ARGUMENTS
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