Handset MCP Server

A business phone system for AI agents: send texts, place calls, read transcripts, buy numbers.

Local serverstdio

What is the Handset MCP Server?

Handset is an MCP integration. A business phone system for AI agents: send texts, place calls, read transcripts, buy numbers.

Packages and local setup

The published npm package is @handset/mcp, version 0.1.1. Its declared MCP transport is stdio.

The package declares HANDSET_API_KEY (required): Handset API key. Use a test-mode key (hs_test_…) — simulated carrier, free. Live keys are refused unless HANDSET_ALLOW_LIVE=1.; HANDSET_ALLOW_LIVE: Set to 1 to permit a live-mode key (the agent can then text and call real people at real cost)..

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 0.1.1 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

Browse related developer tools MCP servers for tools that cover the same kind of work.

Configuration

VariableDescriptionRequired
HANDSET_API_KEYHandset API key. Use a test-mode key (hs_test_…) — simulated carrier, free. Live keys are refused unless HANDSET_ALLOW_LIVE=1.Yes
HANDSET_ALLOW_LIVESet to 1 to permit a live-mode key (the agent can then text and call real people at real cost).Optional