LocalFree server, account needed

Joltsms MCP server

rchanllc/joltsms-mcp-server

Provision dedicated real-SIM US phone numbers, receive and poll inbound SMS, and extract OTP codes for phone verification.

1 GitHub stars1 forks
Source code

Install Joltsms in Claude Code

Claude Code
claude mcp add joltsms -e JOLTSMS_API_KEY=... -- npx -y @joltsms/mcp-server
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "joltsms": {
      "command": "npx",
      "args": [
        "-y",
        "@joltsms/mcp-server"
      ],
      "env": {
        "JOLTSMS_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Joltsms MCP server do?

Provision dedicated real-SIM US phone numbers, receive and poll inbound SMS, and extract OTP codes for phone verification.

Is the Joltsms MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Joltsms run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Joltsms to Claude Code?

Run: claude mcp add joltsms -e JOLTSMS_API_KEY=... -- npx -y @joltsms/mcp-server

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