Agentsim

Created By

agentsimdeva month ago

Real SIM-backed mobile numbers for AI agents. Provision phone numbers, receive SMS, and capture OTP codes - bypasses VoIP blocks that reject Twilio/Vonage. 5 tools: provision_number, wait_for_otp, get_messages, release_number, list_numbers.

# sms

# otp

Overview Content Tools Comments

Content

AgentSIM — Real Phone Numbers for AI Agents

AgentSIM provides real SIM-backed mobile numbers that pass carrier-lookup checks as line_type: mobile. Unlike VoIP numbers from Twilio or Vonage, these numbers work with services that block virtual numbers — Google, Stripe, WhatsApp, and more.

Tools

Tool	Description
`provision_number`	Get a real US mobile number with a session ID
`wait_for_otp`	Block until an SMS OTP arrives (configurable timeout)
`get_messages`	Retrieve all SMS messages for a session
`release_number`	Release the number back to the pool
`list_numbers`	List all active sessions for your API key

Quick Start

Get an API key at console.agentsim.dev
Connect with the server config on the right
Ask your AI assistant: "Provision a US number and wait for an OTP"

Pricing

10 free sessions/month on the Hobby plan
$0.99/session after that
OTP timeouts are not billed

Server Config

{
  "mcpServers": {
    "agentsim": {
      "type": "http",
      "url": "https://mcp.agentsim.dev/mcp",
      "env": {
        "AGENTSIM_API_KEY": "asm_live_..."
      }
    }
  }
}

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