Joltsms Sms runs on your own machine — the client starts it, so there is no endpoint to ping. 24 installs a week from npm. Last commit 26 Feb 2026.
Provision real-SIM US phone numbers, receive SMS, and extract OTP codes for AI agents.
Today is the operative word: we check Joltsms Sms every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add joltsms-sms -- npx -y @joltsms/mcp-server
{
"mcpServers": {
"joltsms-sms": {
"args": [
"-y",
"@joltsms/mcp-server"
],
"command": "npx"
}
}
}
[mcp_servers.joltsms-sms]
command = "npx"
args = ["-y", "@joltsms/mcp-server"]
{
"mcpServers": {
"joltsms-sms": {
"args": [
"-y",
"@joltsms/mcp-server"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"joltsms-sms": {
"args": [
"-y",
"@joltsms/mcp-server"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
JOLTSMS_API_KEY (Your JoltSMS API key (jolt_sk_*). Create one at https://app.joltsms.com/settings).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.