Give your AI Agents a Phone Number.

The MCP server that routes agent approvals and notifications to your SMS or Email. One npx command to bridge your terminal to the real world.

$ npx @relayrail/server start

Read the Docs

Native integrations for the modern stack.

agent.py

# Your AI agent reaches out when it needs you
response = await mcp_client.call_tool(
    "send_notification",
    {
        "message": "Build complete! Deploy v2.1.0 to production?",
        "options": ["Deploy now", "Wait for review"],
        "channel": "sms"  # or "email"
    }
)

# You reply from your phone - no laptop needed
if response["choice"] == "Deploy now":
    deploy_to_production()  # Agent proceeds

BENTO GRID FEATURES

Built for the modern stack

MCP Native.

Drop into any MCP-compatible client. No SDKs required.

// Add to your MCP config
"relayrail": "@relayrail/server"

Multi-Channel Routing.

Urgent requests via SMS. Logs via Email. Intelligent fallback routing.

SMS

Context Aware.

Pass long context logs or diffs. We generate secure, hosted response pages automatically.

-old_function()

+new_function()

Enterprise Grade.

SOC2 Ready. A2P 10DLC Compliant. End-to-end audit trails.

SOC2

10DLC

GDPR

HOW IT WORKS

agent-side code

// Agent-side code
const response = await mcp.call("request_approval", {
  message: "Deploy to production?",
  options: ["Yes", "No"],
  context: { files: ["src/api/deploy.ts"] }
});

if (response.approved) {
  await deploy();
}

9:41

< MessagesRelayRail

RelayRail: Claude Code

Deploy to production?

Reply 1 for Yes or 2 for No

Today 9:41 AM

Approved. Deploying now...

iMessage

PRICING

Simple, transparent pricing

Free Trial

Try RelayRail with real SMS & email

10 SMS included
50 emails included
1 agent
7-day history

Start Free

Starter

For developers building their first agent

$19/mo

100 SMS/month
5,000 emails/month
1 agent
30-day history

Get Started

Pro

For production agent systems

$69/mo

1,000 SMS/month
25,000 emails/month
5 agents
Multi-agent routing

Start Pro

Team

For teams running mission-critical agents

$199/mo

5,000 SMS/month
100,000 emails/month
25 agents
90-day history

Start Team