Agentsim MCP Server

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

Remote serverstreamable-http

What is the Agentsim MCP Server?

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

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Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
identify_agentAdd a stable agent ID to the console without opening a challenge, sending SMS, or using allowance
open_challengeOpen an authentication challenge session for a required owned service_url; accepts channel (sms_otp \
wait_for_verdictLong-poll for the challenge verdict — returns structured outcome including otp_code, magic_link, or webauthn_required; policy denial fails on open
get_messagesRead SMS metadata and parsed codes; reading codes consumes them
release_numberRelease a session early (allocation returned to pool)
list_numbersList all active sessions for this account
provision_numberopen_challenge(channel=sms_otp)
wait_for_otpwait_for_verdict

How to install the Agentsim MCP Server

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

From the project documentation. Replace placeholders and example paths before connecting.

Configuration

VariableDescriptionRequired
AGENTSIM_API_KEYDeclared in the maintainer’s client configuration.Check documentation

Example prompts to try

  • “Use Agentsim MCP to provision number.”
  • “Use Agentsim MCP to wait for otp.”
  • “Use Agentsim MCP to get messages.”

Frequently asked questions

MCP server that exposes AgentSIM OTP session tools to AI coding assistants: Claude Code, Cursor, Windsurf, and any other MCP-compatible host. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.