JoltSMS
About
Provision dedicated US phone numbers and receive SMS/OTP codes for automated verification workflows.
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Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
JoltSMSCommand (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"joltsms": {
"server": {
"command": "npx",
"args": [
"-y",
"@joltsms/mcp-server"
],
"env": {
"JOLTSMS_API_KEY": ""
}
}
}
}
}
McpServers
{
"server": {
"command": "npx",
"args": [
"-y",
"@joltsms/mcp-server"
],
"env": {
"JOLTSMS_API_KEY": ""
}
}
}
Transport
"stdio"
Package
"@joltsms/mcp-server"
Registry
"npm"
MCP server forJoltSMS— provision dedicated real-SIM US phone numbers and receive SMS/OTP codes through AI agents.
Create a JoltSMS account and generate an API key atDashboard → Settings → API Keys.
Add to your.mcp.json(Claude Code) or MCP settings (Claude Desktop, Cursor):
{ "mcpServers": { "joltsms": { "command": "npx", "args": ["-y", "@joltsms/mcp-server"], "env": { "JOLTSMS_API_KEY": "jolt_sk_your_key_here" } } } }
Your AI agent now has access to all JoltSMS tools. Try:
"Provision a new phone number with area code 650 and wait for an OTP"
The most common use case — automated phone verification:
1. joltsms_provision_number({ area_code: "650" }) → Number provisioning started! Phone: +16505551234 2. joltsms_update_number({ number_id: "+16505551234", service_name: "PayPal" }) → Tagged for easy lookup later 3. [Agent enters phone number on PayPal and requests OTP] 4. joltsms_wait_for_sms({ number_id: "+16505551234", timeout_seconds: 120 }) → SMS received after 8.2s: "Your PayPal code is 847291" → OTP Code: 847291 5. joltsms_mark_read({ number_id: "+16505551234" }) → Inbox clean 6. [Agent enters 847291 on PayPal — verification complete]
- Node.js 18+
- A JoltSMS account with a payment method on file
- Your first number must be ordered through theDashboardto complete initial 3D Secure verification
- MCP Server Docs
- API Reference
- JoltSMS Website
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