Is the mcp MCP server free to use?

Yes. mcp is listed on AllMCPs as a free, open Model Context Protocol server you can install into Claude Desktop, Cursor, or any MCP-compatible client.

Is the mcp MCP server free to use?

Yes. mcp is listed on AllMCPs as a free, open Model Context Protocol server you can install into Claude Desktop, Cursor, or any MCP-compatible client.

Mcp

Real SIM-backed mobile numbers for AI agents to receive SMS and OTP codes.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Install Config Generator

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claude_desktop_config.json

{
  "mcpServers": {
    "mcp-165": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-165"
      ]
    }
  }
}

💡 Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

Documentation Overview

agentsim-mcp

MCP server that exposes AgentSIM OTP session tools to AI coding assistants: Claude Code, Cursor, Windsurf, and any other MCP-compatible host.

Setup

Claude Code

Terminal

claude mcp add agentsim -e AGENTSIM_API_KEY=asm_live_xxx -- uvx agentsim-mcp

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

config.json

{
  "mcpServers": {
    "agentsim": {
      "command": "uvx",
      "args": ["agentsim-mcp"],
      "env": {
        "AGENTSIM_API_KEY": "asm_live_xxx"
      }
    }
  }
}

Cursor / Windsurf

Add agentsim-mcp as a stdio MCP server with AGENTSIM_API_KEY in the environment config.

Remote (no install)

Connect directly to the hosted MCP server without installing anything locally:

config.json

{
  "mcpServers": {
    "agentsim": {
      "type": "streamable-http",
      "url": "https://mcp.agentsim.dev/mcp",
      "headers": {
        "x-api-key": "asm_live_..."
      }
    }
  }
}

Tools

Tool	Description
`provision_number`	Provision a temporary programmable US number for an OTP session — returns number, session ID, expiry
`wait_for_otp`	Long-poll until an OTP arrives on the session (returns parsed code)
`get_messages`	List raw SMS messages received on a session
`release_number`	Release a session early (number returned to pool)
`list_numbers`	List all active sessions for this account

Auth

Set AGENTSIM_API_KEY in your environment. Get your key at console.agentsim.dev.

Supported Countries

US (more coming soon)

Related MCP Servers

View all in Developer Tools View all alternatives

Frequently Asked Questions about Mcp

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "mcp": { "command": "npx", "args": ["-y", "mcp"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

32Quality signal: Emerging · 32/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools11/30

Adoption & activity5/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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More in 💻 Developer Tools →Best MCP servers for Developers →Alternatives to Mcp →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

agentsim-mcp

MCP server that exposes AgentSIM OTP session tools to AI coding assistants: Claude Code, Cursor, Windsurf, and any other MCP-compatible host.

Setup

Claude Code

Terminal

claude mcp add agentsim -e AGENTSIM_API_KEY=asm_live_xxx -- uvx agentsim-mcp

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

config.json

{
  "mcpServers": {
    "agentsim": {
      "command": "uvx",
      "args": ["agentsim-mcp"],
      "env": {
        "AGENTSIM_API_KEY": "asm_live_xxx"
      }
    }
  }
}

Cursor / Windsurf

Add agentsim-mcp as a stdio MCP server with AGENTSIM_API_KEY in the environment config.

Remote (no install)

Connect directly to the hosted MCP server without installing anything locally:

config.json

{
  "mcpServers": {
    "agentsim": {
      "type": "streamable-http",
      "url": "https://mcp.agentsim.dev/mcp",
      "headers": {
        "x-api-key": "asm_live_..."
      }
    }
  }
}

Tools

Tool	Description
`provision_number`	Provision a temporary programmable US number for an OTP session — returns number, session ID, expiry
`wait_for_otp`	Long-poll until an OTP arrives on the session (returns parsed code)
`get_messages`	List raw SMS messages received on a session
`release_number`	Release a session early (number returned to pool)
`list_numbers`	List all active sessions for this account

Auth

Set AGENTSIM_API_KEY in your environment. Get your key at console.agentsim.dev.

Supported Countries

US (more coming soon)