Quickstart

This takes a few minutes. You need a Mac (Apple silicon or Intel) and an MCP server you already run locally.

1. Install the daemon

curl -fsSL https://webmcp.fast/install.sh | sh

Coming with the first public release: the install script is not published yet. macOS (Apple silicon and Intel) comes first, brew install webmcp later. Until then the daemon is built from source.

2. Bring the machine online

webmcp up

It prints one link. Open it, sign in with the 6-digit code emailed to you, pick a handle if you have none, and approve the device. There is no password. webmcp up also lists MCP servers it found in your Claude, Cursor and Codex configs and offers to attach them.

3. Attach a server

A stdio server, by its command:

webmcp attach files -- npx -y @modelcontextprotocol/server-filesystem ~/Documents

Or a server already listening on localhost:

webmcp attach notes --http http://127.0.0.1:8765/mcp

A running daemon picks the change up within seconds. webmcp detach <alias> removes it.

4. Keep it online

webmcp service install

This registers a launchd service so the daemon starts at login. webmcp service status shows it, and webmcp service uninstall removes it.

5. Connect an agent

Your server's address is:

https://<handle>.webmcp.fast/<device>/<server>/mcp

Add it as a custom connector (remote MCP server) in Claude, ChatGPT, Grok, Cursor or any harness that takes a remote MCP URL. The harness opens a sign-in window, you sign in with the emailed code, the consent screen names that one endpoint, and you click Allow. For a harness without OAuth, create a connector token on the dashboard and send it as Authorization: Bearer.

Limits on the free tier

1 handle, 1 device, 1 server, 1 connector. See pricing. Requests are limited to 1 MB and each relayed call to 60 seconds.

Next

Agent-driven setup if you would rather have a coding agent do this, and the security model.