What is the key difference between AgentPhone and KarmoLab?

AgentPhone belongs to the Developer Tools category with local stdio execution, while KarmoLab belongs to the Developer Tools category with local stdio execution.

How do I install AgentPhone or KarmoLab in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are AgentPhone and KarmoLab free or paid?

AgentPhone operates under a Free / Open Source model (No auth required). KarmoLab operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

AgentPhone lists 0 tools with 0 views and 121 GitHub stars. KarmoLab lists 0 tools with 0 views and 1 GitHub stars.

Can I use both AgentPhone and KarmoLab together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

AgentPhone vs KarmoLab

In-depth architectural comparison of the AgentPhone and KarmoLab 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.

At a Glance & Executive Verdict

AgentPhone

Developer Tools · Local stdio

Quality: 49/100 (Fair) | Auth: No auth required

KarmoLab

Developer Tools · Local stdio

Quality: 29/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose AgentPhone if you need specialized Developer Tools tools running via a local process. Choose KarmoLab if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

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 KarmoLab 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 KarmoLab Details

Feature & Specification Comparison

Specification	AgentPhone Developer Tools	KarmoLab Developer Tools
Summary	Give AI agents real phone numbers, messages, and voice calls via MCP.	MCP server for what LLMs get wrong: exact hashes, real randomness, and Korean rules.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

AgentPhone Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

KarmoLab Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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).

AgentPhone Configuration

mcpServers (Claude Desktop / Cursor)

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

KarmoLab Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

AgentPhone is categorized under Developer Tools and uses a local stdio subprocess. In contrast, KarmoLab belongs to Developer Tools using local stdio subprocess. Select AgentPhone when you need capabilities focused on developer tools and KarmoLab when you require tools for developer tools.

More alternatives to AgentPhone More alternatives to KarmoLab Developer Tools category hub