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AgentPhone

AgentPhone is an MCP server that adds messaging tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Give AI agents real phone numbers, messages, and voice calls via MCP. It has 124 GitHub stars, is released under the MIT license and runs locally with npx -y agentphone-mcp.

github.com/AgentPhone-AI/agentphone-mcp (opens in a new tab)

View on GitHub (opens in a new tab)

Install AgentPhone

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "agentphone": {
      "command": "npx",
      "args": [
        "-y",
        "agentphone-mcp"
      ],
      "env": {
        "AGENTPHONE_API_KEY": "your-value"
      }
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --env AGENTPHONE_API_KEY=your-value --transport stdio agentphone -- npx -y agentphone-mcp

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "agentphone": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "agentphone-mcp"
      ],
      "env": {
        "AGENTPHONE_API_KEY": "your-value"
      }
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "inputs": [
    {
      "type": "promptString",
      "id": "agentphone_api_key",
      "description": "AGENTPHONE_API_KEY",
      "password": true
    }
  ],
  "servers": {
    "agentphone": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "agentphone-mcp"
      ],
      "env": {
        "AGENTPHONE_API_KEY": "${input:agentphone_api_key}"
      }
    }
  }
}

Claude Code (remote)

claude mcp add --transport http agentphone "https://mcp.agentphone.ai/mcp"

The same server is also hosted as a remote MCP endpoint, so nothing runs on your machine.

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Environment variables

Variables the server reads at startup.

NameRequiredDescription
AGENTPHONE_API_KEYsecretYesYour AgentPhone API key. Get one at https://agentphone.ai

About AgentPhone

Give AI agents real phone numbers, SMS, and voice calls via the Model Context Protocol. AgentPhone lets your AI agent buy phone numbers, send/receive SMS, and place voice calls — all through natural language in Cursor, Claude Desktop, or any MCP-compatible client.

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FAQ

AgentPhone FAQ

Still curious? Email info@appsgit.com.

What is AgentPhone?

AgentPhone is an MCP server that adds messaging tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Give AI agents real phone numbers, messages, and voice calls via MCP. It has 124 GitHub stars, is released under the MIT license and runs locally with npx -y agentphone-mcp. The source code is at github.com/AgentPhone-AI/agentphone-mcp.

How do I install the AgentPhone MCP server?

Add the command npx -y agentphone-mcp to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is AgentPhone free?

The server is open source under the MIT license, so running it is free. It needs credentials (AGENTPHONE_API_KEY) for the service it connects to, which may require a paid account.

Is AgentPhone actively maintained?

The most recent commit was on Oct 6, 2026. appsgit only lists MCP servers with a commit in the last six months and re-checks every server daily.