AgentPhone vs Fmsg MCP

In-depth architectural comparison of the AgentPhone and Fmsg MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose AgentPhone when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore AgentPhone Details

Choose Fmsg MCP when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Fmsg MCP Details

Feature & Specification Comparison

Specification	AgentPhone Developer Tools	Fmsg MCP Developer Tools
Summary	Give AI agents real phone numbers, messages, and voice calls via MCP.	Send and receive fmsg federated messages from any AI agent via a deployed fmsg Web API
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "agentphone": {
      "command": "npx",
      "args": [
        "-y",
        "agentphone-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "fmsg-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@markmnl/fmsg-mcp"
      ]
    }
  }
}

Related MCP Server Comparisons