Koskamo

Handset MCP

An MCP server that provides AI agents with a complete business phone system interface. It enables agents to send texts, place calls, read live transcripts and AI summaries, buy phone numbers, and provision tenants. It supports test mode for safe simulation and requires an API key for authentication.

Visit Handset HQ, Inc.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Handset MCP logo, by Handset HQ, Inc.Community listingLocal stdioSource reviewed; not executedPublished by Handset HQ, Inc.
You need:Use your test-mode key
Vendor documentation

What you can do with it

  • Send SMS/MMS messages via AI agents
  • Place voice calls and read transcripts
  • Buy and provision phone numbers
  • Provision tenants for multi-tenant applications

Source and maintenance

Community listingRegistry 0.1.1
mcp-registry: io.github.handset-hq/handset@0.1.1Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@handset/mcp 0.1.1

npm
@handset/mcp package definition
{
  "version": "0.1.1",
  "transport": "stdio",
  "identifier": "@handset/mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "HANDSET_API_KEY",
      "isRequired": true,
      "description": "Handset API key. Use a test-mode key (hs_test_…) — simulated carrier, free. Live keys are refused unless HANDSET_ALLOW_LIVE=1."
    },
    {
      "name": "HANDSET_ALLOW_LIVE",
      "description": "Set to 1 to permit a live-mode key (the agent can then text and call real people at real cost)."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "handset-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@handset/mcp@0.1.1"
      ],
      "env": {
        "HANDSET_API_KEY": "<YOUR_HANDSET_API_KEY>",
        "HANDSET_ALLOW_LIVE": "<YOUR_HANDSET_ALLOW_LIVE>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "handset-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@handset/mcp@0.1.1"
      ],
      "env": {
        "HANDSET_API_KEY": "<YOUR_HANDSET_API_KEY>",
        "HANDSET_ALLOW_LIVE": "<YOUR_HANDSET_ALLOW_LIVE>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "handset-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@handset/mcp@0.1.1"
      ],
      "env": {
        "HANDSET_API_KEY": "<YOUR_HANDSET_API_KEY>",
        "HANDSET_ALLOW_LIVE": "<YOUR_HANDSET_ALLOW_LIVE>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "handset-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@handset/mcp@0.1.1"
      ],
      "env": {
        "HANDSET_API_KEY": "<YOUR_HANDSET_API_KEY>",
        "HANDSET_ALLOW_LIVE": "<YOUR_HANDSET_ALLOW_LIVE>"
      }
    }
  }
}

Let your agent find its tools

Find servers like Handset MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

Connect Koskamo Explore workflows
See all 2,298