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title: "Connecting Cursor AI to Inbound Phone Pools via Model Context Protocol"
---

Connecting Cursor AI to Inbound Phone Pools via Model Context Protocol: SMSRiver

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Model Context Protocol & AI Agents

Model Context Protocol & AI Agents

Published 2026-08-28

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7 min read

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Connecting Cursor AI to Inbound Phone Pools via Model Context Protocol

Integrate SMSRiver MCP server with Cursor IDE. Allow Cursor Composer to inspect incoming SMS messages, validate webhooks, and debug 2FA workflows in real-time.

Key Takeaway & Executive Summary

Configure Cursor's native MCP integration to query live SMS test inboxes directly from the Composer chat window during development.

Cursor IDE features native support for Model Context Protocol servers in Cursor Composer. By adding SMSRiver to Cursor's MCP configuration, developers can ask questions like 'What was the last verification code sent to our test number?' directly inside their code editor.

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Table of Contents

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Cursor MCP Setup Instructions
](#section-1)

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Frequently Asked Questions
](#frequently-asked-questions)

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1

Cursor MCP Setup Instructions

1. Open Cursor Settings > Features > MCP.
2. Click 'Add New MCP Server'.
3. Set Name to 'smsriver', Type to 'command', and Command to 'npx -y @smsriver/mcp-server'.
4. Add SMSRIVER_API_KEY environment variable.

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Frequently Asked Questions • Model Context Protocol & AI Agents

Can Cursor use MCP tools to write tests automatically?

Yes. Cursor can generate end-to-end tests that incorporate SMSRiver MCP helper calls to automate verification challenges seamlessly.

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Related Technical Articles & Deep Dives

[

Model Context Protocol & AI Agents
9 min read

###
Building Model Context Protocol (MCP) Servers for Telephony and SMS Testing

](/articles/mcp-server-telephony-integration/)

[

Model Context Protocol & AI Agents
8 min read

###
Using Claude Code to Automate End-to-End User Signups with SMS Verification

](/articles/claude-code-sms-verification-automation/)

[

Model Context Protocol & AI Agents
8 min read

###
Designing Secure JSON-RPC 2.0 Tools for LLM Telephony Event Inspection

](/articles/json-rpc-telephony-tools-for-llms/)

Developer Sandbox

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Automate Inbound SMS & OTP Testing

Eliminate flaky 2FA in CI/CD. Access dedicated virtual lines, programmable synthetic SMS webhooks, and Model Context Protocol (MCP) integrations.

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View MCP Setup Guide
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Developer Utilities

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[
SMS Segment Calculator
Calculate segment counts and carrier costs in real time.
](/tools/sms-segment-calculator/)

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Webhook Payload Validator
Verify JSON webhook payloads against provider schemas.
](/tools/webhook-payload-validator/)

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SMS Delivery Troubleshooter
Diagnose carrier filtering and OTP delivery failure.
](/tools/sms-delivery-troubleshooter/)

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E.164 Phone Number Formatter
Format phone numbers into international E.164 standard.
](/tools/phone-number-formatter/)

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Public Verification Numbers

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United States (+1)
View Line →
](/receive-sms/us/)

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United Kingdom (+44)
View Line →
](/receive-sms/gb/)

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Canada (+1)
View Line →
](/receive-sms/ca/)

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[
Germany (+49)
View Line →
](/receive-sms/de/)

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FULL PACKET INSPECTION
SMS

###
Line: DE +49 ...

Timestamp: Just now

Extracted code

Copy Code

Message Body:

Copy Full Message

[
Open Live Inbox

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smsriver.com

Central Office carrier inventory platform & developer SMS verification sandbox. Receive OTP codes instantly with zero SIM card requirement.

Public numbers·Live inboxes·Developer tools

Public Inboxes

- [United States (+1)](/receive-sms/us/)

- [United Kingdom (+44)](/receive-sms/gb/)

- [Canada (+1)](/receive-sms/ca/)

- [Philippines (+63)](/receive-sms/ph/)

- [Germany (+49)](/receive-sms/de/)

Developer & Tools

- [SMS Debugging Workbench](/workbench/)

- [Phone Number Inspector](/tools/phone-number-inspector/)

- [Bulk Phone Validator](/tools/bulk-phone-validator/)

- [Phone Lookup API](/developer/phone-lookup-api/)

- [E.164 Phone Formatter](/tools/phone-number-formatter/)

- [SMS Segment Calculator](/tools/sms-segment-calculator/)

- [Webhook Validator](/tools/webhook-payload-validator/)

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