# MCP Tunnels: Cloud Agents Reach Local MCP Servers | SealGate

SealGate stdio tunnels let ChatGPT, Claude, and other cloud or mobile agents reach MCP servers running on your machine. A local daemon tunnels the server to the gateway over a single outbound WebSocket, governed and logged, with your credentials and data kept on device.

Source: https://sealgate.ai/tunnels

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MCP Tunnels

# Let cloud agents reach your local MCP servers

A local daemon, stdiod , tunnels any stdio MCP server to the SealGate gateway over one outbound WebSocket, so ChatGPT, Claude, and other cloud agents can use it, policy checked and logged, with your credentials kept on your machine.

[Read the launch write-up](https://sealgate.ai/blog/stdio-tunnels-cloud-agents-reach-local-mcps) →

## What you can build with it

### Beeper: every messaging app

Read, triage, and send across WhatsApp, iMessage, Telegram, LinkedIn, and Signal from one local connector.

[Connect Beeper →](https://sealgate.ai/beeper)

→

### Sync DMs to your CRM

Pull WhatsApp, Telegram, and LinkedIn conversations into Attio, HubSpot, or Salesforce.

[Connect LinkedIn →](https://sealgate.ai/connect/linkedin)

### Watch busy community chats

Summarize busy Telegram, WhatsApp, and X threads and surface only what matters.

[Connect Telegram →](https://sealgate.ai/connect/telegram)

→

### Control your desktop from your phone

Drive desktop software from a phone UI, tunneled through the gateway, checked and logged.

→

### Drive mobile-only apps

Computer-use on a tunneled phone lets a cloud agent operate apps with no web or desktop version.

→

### Fly drones through the gateway

Fly a DJI drone from Claude or ChatGPT on your phone, every command checked and logged.

[See the control path →](https://sealgate.ai/centaur)

### Bridge IoT and embedded devices

Reach Bluetooth or serial devices wrapped in an MCP server from a hosted agent.

↔

### Cross-device agent handoff

Let a cloud agent call a local tool, like a Codex CLI, for work it cannot run itself.

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