JoltSMS
About
Provision dedicated US phone numbers and receive SMS/OTP codes for automated verification workflows.
Details
- Author
- rchanllc
- Categories
- Communication, Other, Developer Tools
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Setup
Install JoltSMS in your MCP client (Claude Desktop, Cursor, Windsurf, and others).
Repository: https://github.com/rchanllc/joltsms-mcp-server
Follow the installation instructions in the repository README, then restart your MCP client.
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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