MCP For Claude Marketplace
AT&T Messaging

AT&T Messaging MCP Connector for Claude

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CPaaS Messaging -- Send SMS/MMS, manage shortcodes, track delivery status, and run bulk campaigns via AT&T Messaging API.

9 tools Official Updated Oct 1, 2026 Official Vinkius Partner
More Details Connect to Claude

Connect your AT&T Messaging account to any AI agent and take full control of your SMS/MMS communication workflows through natural conversation.

What you can do

  • SMS Messaging -- Send transactional alerts, OTPs, and customer notifications from registered shortcodes with delivery tracking
  • MMS Messaging -- Attach images, videos, or audio to enrich marketing campaigns and visual alerts
  • Bulk Send -- Broadcast the same message to hundreds of recipients in one request with per-recipient status tracking
  • Delivery Status -- Check real-time delivery state (sent, delivered, failed, read) for any message by its ID
  • Message History -- Query outbound and inbound message logs for auditing, compliance reporting, or reply tracking
  • Inbound Messages -- Retrieve customer replies, opt-outs, and keyword-triggered auto-responses
  • Shortcode Management -- Provision new shortcodes with keywords for campaign routing, or decommission retired numbers
  • Keyword Responses -- Review configured auto-reply logic for shortcode keywords to verify opt-in/opt-out flows

How it works

  1. Subscribe to this server
  2. Enter your AT&T Messaging API Key and API Secret
  3. Start sending messages and managing campaigns from Claude, Cursor, or any MCP-compatible client

No more bouncing between the AT&T Messaging dashboard and your CRM. Your AI agent becomes your messaging command center.

Who is this for?

  • Marketing Teams -- launch SMS/MMS campaigns, monitor keyword engagement, and manage shortcodes for different brands
  • DevOps Engineers -- trigger mass alert broadcasts, track delivery rates, and debug failed sends
  • Customer Support -- review inbound customer messages, process STOP/START commands, and send order updates
  • Compliance Officers -- audit full message history with timestamps, directions, and content snippets
cpaassms-apimms-messagingtransactional-alertsshortcodebulk-messaging

9 tools expose this connector's capabilities to your AI agent.

create_shortcode

Returns provisioning status and activation timeline. Use for new marketing campaigns or service alerts. Provision a new messaging shortcode with a keyword

delete_shortcode

Use when retiring a campaign or transferring numbers. Decommission a messaging shortcode

get_inbound_messages

Returns sender number, keyword matched, message body, and timestamp. Use for monitoring customer engagement or processing STOP/START commands. Retrieve recent inbound SMS/MMS from customers

get_keyword_responses

Use to review campaign logic or verify opt-in/opt-out flows. Get configured auto-replies for shortcode keywords

get_message_status

Use to track campaign performance or debug failed sends. Check delivery status of a specific message

list_messages

Returns timestamps, sender, recipient, and content snippets. Use for auditing, compliance reporting, or reply tracking. List outbound or inbound messaging history

send_bulk_sms

164 numbers. Returns job ID and per-recipient status array. Use for mass alerts, emergency broadcasts, or promotional campaigns. Send SMS to multiple recipients in one request

send_mms

Requires sender, recipient, message text, and media URL. Use for rich marketing campaigns, product images, or visual alerts. Send an MMS message with media attachment

send_sms

Requires sender ID, recipient E.164 number, and message body. Returns message ID and delivery status. Use this for transactional alerts, OTPs, or customer notifications. Send a single SMS message to a phone number

See how to talk to your AI agent using AT&T Messaging.

Send an SMS from shortcode 12345 to +12125551234 saying 'Your order #48291 has shipped! Track it at example.com/track'.

SMS sent successfully from 12345 to +12125551234. Message ID: msg-8x4k2p. Status: delivered. The shipping notification reached the recipient's device.

Send a bulk SMS to all these numbers: +12125551001, +12125551002, +12125551003 with the message 'Flash Sale: 50% off everything for the next 2 hours!'.

Bulk SMS campaign launched. Job ID: bulk-7n3m. Results: 3/3 messages queued. +12125551001 (delivered), +12125551002 (delivered), +12125551003 (sent). All recipients will receive the Flash Sale alert momentarily.

Show me all inbound messages from the last 24 hours and check if anyone sent STOP.

Retrieved 12 inbound messages in the last 24 hours. Found 1 opt-out: +13105554567 sent 'STOP' to shortcode 12345 at 14:32 UTC. This number has been added to your suppression list and will not receive further messages. The remaining 11 messages are keyword responses and customer replies.

You must use a registered AT&T shortcode or dedicated long code as the sender ID. Unregistered or random numbers will be rejected by the carrier. You can provision new shortcodes with keywords using the `create_shortcode` tool, or check your existing ones through the messaging dashboard. Each shortcode can be configured with multiple keyword auto-responses.

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