What is the key difference between AgentSIM and Dial?

AgentSIM belongs to the Developer Tools category with local stdio execution, while Dial belongs to the Developer Tools category with cloud HTTP/SSE execution.

How do I install AgentSIM or Dial 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 AgentSIM and Dial free or paid?

AgentSIM operates under a Free / Open Source model (No auth required). Dial operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

AgentSIM lists 0 tools with 0 views and 0 GitHub stars. Dial lists 0 tools with 0 views and 0 GitHub stars.

Can I use both AgentSIM and Dial 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.

How do I install AgentSIM or Dial in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are AgentSIM and Dial free to use, or do they require API keys?

AgentSIM is listed under a Free / Open Source model with No auth required . Dial operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both AgentSIM and Dial at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both agentsim and dial-2 as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, AgentSIM has a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Dial holds a Quality Score of 40 /100 ( Fair ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

AgentSIM vs Dial

In-depth architectural comparison of the AgentSIM and Dial 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

AgentSIM

Developer Tools · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Dial

Developer Tools · Remote HTTP/SSE

Quality: 40/100 (Fair) | Auth: No auth required

Verdict Summary: Choose AgentSIM if you need specialized Developer Tools tools running via a local process. Choose Dial if your workspace requires Developer Tools integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose AgentSIM 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 AgentSIM Details

Choose Dial when:

You need dedicated capabilities in the Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Dial Details

Feature & Specification Comparison

Specification	A AgentSIM Developer Tools	D Dial Developer Tools
Summary	Real SIM-backed phone numbers for AI agents — autonomous OTP capture, no VoIP, no human steps.	Communication stack for AI agents: SMS, AI voice calls, phone numbers, and account events.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

AgentSIM Tools (0)

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

Dial 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).

AgentSIM Configuration

mcpServers (Claude Desktop / Cursor)

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

Dial Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "dial-2": {
      "url": "https://smithery.ai/badge/getdial-ai/dial)](https://smithery.ai/servers/getdial-ai/dial"
    }
  }
}

Frequently Asked Questions

AgentSIM is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Dial belongs to Developer Tools using remote streaming HTTP/SSE transport. Select AgentSIM when you need capabilities focused on developer tools and Dial when you require tools for developer tools.

More alternatives to AgentSIM More alternatives to Dial Developer Tools category hub

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