@joltsms/mcp-server
MCP server for JoltSMS — provision dedicated real-SIM US phone numbers and receive SMS/OTP codes through AI agents.
Built on the Model Context Protocol, this server gives AI agents (Claude Code, Claude Desktop, Cursor, etc.) the ability to rent phone numbers, wait for incoming SMS, extract OTP codes, and manage billing — all through standardized tool calls.
Quick Start
1. Get an API Key
Create a JoltSMS account and generate an API key at Dashboard → Settings → API Keys.
2. Configure Your MCP Client
Add to your .mcp.json (Claude Code) or MCP settings (Claude Desktop, Cursor):
{
"mcpServers": {
"joltsms": {
"command": "npx",
"args": ["-y", "@joltsms/mcp-server@2"],
"env": {
"JOLTSMS_API_KEY": "jolt_sk_your_key_here"
}
}
}
}3. Use It
Your AI agent now has access to all 12 JoltSMS tools. Try:
"List my saved cards, then rent the next available number using the card I choose."






