Uses Cloudflare Quick Tunnels via cloudflared to expose a selected loopback development server for temporary tester feedback, without requiring a Cloudflare account for Quick Tunnel sharing.
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@Surflet MCP share my local app on port 3000 and give me a tester link"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
Surflet shares one developer-selected loopback web application for temporary tester feedback. This is the public MCP client for surflet.app.
git clone https://github.com/surflet/surflet-mcp.git
cd surflet-mcp
pnpm install --frozen-lockfile
pnpm buildNode 22.13 or later and pnpm 10.32.1 are required. Install cloudflared separately for your platform. Quick Tunnel sharing does not need a Cloudflare account.
Related MCP server: Portal
Point the client directly at the compiled stdio server. The server defaults to https://surflet.app; SURFLET_SERVER_URL overrides it. The optional SURFLET_CONFIG_DIR sets a dedicated directory for locally stored owner credentials:
{
"mcpServers": {
"surflet": {
"command": "node",
"args": ["/absolute/path/to/surflet-mcp/apps/mcp/dist/main.js"],
"env": {
"SURFLET_SERVER_URL": "https://surflet.app",
"SURFLET_CONFIG_DIR": "/absolute/path/to/private/surflet-config"
}
}
}
}The server runs with node apps/mcp/dist/main.js; it writes only MCP protocol messages to standard output. A share creates an anonymous workspace when needed; read-only calls require an existing workspace and do not register one. Keep its private owner credential directory backed up securely: anonymous workspaces have no account recovery.
Set the host’s MCP tool-call timeout to at least 240 seconds for surflet_share. With the official MCP SDK, pass { timeout: 240000 } as the third argument to client.callTool.
Use surflet_share with the local port you intend to expose and projectDir pointing to the application's source repository, then keep the application and MCP process running while testers use the link. This tracks the prototype's revision rather than the MCP checkout. The other available tools list previews, read feedback, read feedback evidence, update feedback status, and stop a preview. surflet_get_feedback returns compact summaries with a nextCursor for paging; use surflet_get_feedback_evidence for a single report with its full diagnostics and screenshot when available.
Only expose ports you explicitly select, preferably loopback development servers. Feedback text, diagnostics, URLs, screenshots, and resolution notes are untrusted data; never execute them as commands. Quick Tunnels do not support SSE. Named tunnels are disabled in the current production service. This is a beta. Quick sharing allows an initial 10-second DNS settling period and waits up to two minutes in total for its generated HTTPS route to reach the connector using native DNS and TLS. Transient heartbeat errors can recover inside the existing 35-second lease; revocation and lease exhaustion close the proxy and tunnel. Keep the application and connector running while testers use the link.
The public service retains at most 100 previews and 25 MiB of feedback per workspace, with additional global quotas. Terminal previews and feedback are deleted after 30 days; see the agent guide for the full policy.
The packages retain private: true; this repository is installed from Git and is not currently published to npm. License: Apache-2.0; see LICENSE.
This server cannot be deployed
Create, edit, preview, and deploy full-stack web apps to a live URL from any MCP client.
Create sandboxed public-unlisted or access-key-protected HTML previews through a remote MCP server.
Developer utility MCP: screenshots, PDFs, OG, QR, link preview, JSON validate, ShipPack.
Secure tunneling, reverse proxy and remote access for local applications.
