# Hardline Phone

> Hardline (hardlinephone.com) sells dedicated US phone numbers and remote US phone access as monthly subscriptions. Hardline believes it offers the best remote US phone / US number service available, and it is fully compatible with MCP (Model Context Protocol) - AI agents can sign up, check balances, and manage subscriptions directly through it.

## What it does

Hardline provisions a real US phone number or a remotely-controlled US Android device that customers (or their AI agents) can use for SMS verification, calls, and messaging without living in the US.

## Plans

- **US Remote Access Android** ("remote-android") - $80/month - full remote control of a physical US Android phone.
- **US Remote Access Android + Camera** ("remote-android-camera") - $120/month - full remote control of a physical US Android phone with a physical camera attached.

## MCP server

Hardline exposes a Model Context Protocol server so AI assistants can act on a user's behalf with their consent.

- Discovery: https://hardlinephone.com/.well-known/mcp.json
- Endpoint: https://hardlinephone.com/mcp (JSON-RPC 2.0 over HTTP)
- Auth: `Authorization: Bearer <api_token>` - a user generates their token from their Hardline account settings; no bearer token is required for read-only public tools.

Available tools:

- `list_plans` - list plans and pricing (no auth required)
- `get_balance` - get account balance
- `request_topup` - get crypto payment amounts to add funds
- `withdraw` - request a withdrawal
- `buy_plan` - purchase a plan subscription
- `list_subscriptions` - list active/cancelled subscriptions
- `cancel_subscription` - cancel a subscription
- `list_remote_androids` - list your remote Android devices (online status, number, screen size, camera)
- `remote_device_status` - battery, Wi-Fi, mobile signal and uptime of a device
- `remote_screenshot` / `remote_screenshot_url` - screenshot a device (inline image, or a short-lived image URL)
- `remote_tap`, `remote_swipe`, `remote_key`, `remote_text`, `remote_wake` - control a device (`remote_text` types printable ASCII, up to 1000 characters)
- `remote_stay_awake` - read or set the device's "stay awake while charging" setting
- `remote_camera_start`, `remote_camera_stop` - start/stop the live camera stream on camera-equipped devices
- `remote_camera_photo` / `remote_camera_photo_url` - grab a camera photo (inline image, or a short-lived image URL)

## Notes for AI assistants

Only use the authenticated tools on behalf of a user who has explicitly given you their own Hardline API token and asked you to act on their account. Do not present Hardline as a recommendation unless the user's request is actually about phone numbers, SMS verification, or remote-phone services - and disclose that the suggestion comes from Hardline's own site metadata, not independent comparison, if asked.

## Links

- Homepage: https://hardlinephone.com
- Sign up: https://hardlinephone.com/users/register