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agentsimdev

agentsim-mcp

Official
by agentsimdev

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

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:

{
  "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:

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

Related MCP server: bubblyphone-agents

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)

Install Server
A
license - permissive license
A
quality
B
maintenance

Maintenance

Maintainers
Response time
Release cycle
Releases (12mo)
Commit activity

Resources

Unclaimed servers have limited discoverability.

Looking for Admin?

If you are the server author, to access and configure the admin panel.

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