The request names SuprSend, a notification infrastructure that lets developers design a notification once and send it to email, SMS, push, Slack and chat through a single API 1. Its official MCP server exposes actions to update channel preferences and manage object subscriptions 111. Alternatives that do the same job are Notifly 2, Resend 3 and OneSignal 8.
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SuprSendsuprsend.comfound in code, not yet checked
Notification infrastructure that sends product, transactional and marketing notifications across email, SMS, push, Slack and chat through a single API, with an MCP server offering update_suprsend_user_channel_preference, add_suprsend_object_subscriptions and get_suprsend_object_subscriptions actions
official:MCP server · SuprSend
for agents: update_suprsend_user_channel_preference · add_suprsend_object_subscriptions · get_suprsend_object_subscriptions
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Notiflynotifly.iowebsite read, tools not yet checked
Hosted notification infrastructure with one API for email, SMS, push, in-app inbox and chat, plus an MCP server for AI clients 2.
+2 community tools built for it
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Sources
- 1Notification Infrastructure for email, sms, slack, push, inbox | SuprSendsuprsend.com · read 2026-10-29
- 2Notifly — Notification infrastructure for email, SMS, pushnotifly.io · read 2026-10-29
- 3Resend · Email for developersresend.com · read 2026-10-29
- 8Customer Engagement Platform for Email, Push… - OneSignalonesignal.com · read 2026-10-29
- 11SuprSend MCP Server: declares "update_suprsend_user_channel_preference" (the record we read)github.com · read 2026-10-24
- 13Resend: declares "GET /webhooks" (the record we read and signed)unfragile.ai · read 2026-10-24
- 18OneSignal: declares "send_message" (the record we read and signed)unfragile.ai · read 2026-10-24
For agents: the 10 actions behind this answer
update_suprsend_user_channel_preference · SuprSend MCP Server found in code, not yet checked
· Notifly website read, tools not yet checked
Hosted notification infrastructure for product teams: one API for email, SMS, push, in-app inbox and chat, with a visual workflow editor. Free to start.
GET /webhooks · Resend verified and signed
Retrieve a list of webhooks
chat_postMessage · Slack Web API verified and signed
Sends a message to a channel.
API · apprise verified and signed
post_experience_1_explore · Infobip Search MCP verified and signed
Explore Infobip Documentation; Use semantic search to explore the Infobip documentation hub, a comprehensive collection of product documentation, practical use cases, and general platform information designed to help both new and advanced users find resources and inspiration for interacting with end
stream · stream verified and signed
Stream router for Chat, Video, Feeds, and Moderation. Use when the user wants to build a new app with Stream, scaffold a project, add Chat/Video/Feeds/Moderation to an existing app, integrate Stream, audit or migrate an integration, build for Swift/SwiftUI/UIKit/iOS/Xcode/Android/Kotlin/React Native
send_message · OneSignal verified and signed
Send a push notification, email, or SMS via the OneSignal API. TIER 3 — HIGH IMPACT: confirmation is required before sending. Rate limited to 10 requests per minute. The `filters` array is limited to 200 entries; max 20,000 users per call. For push: set `contents`. For email: set `email_subject` + `
delete_notification · ntfy (Activepieces) verified and signed
Delete Notification — Remove a notification from phones and the web app, or cancel a scheduled one before it is delivered. Requires ntfy server v2.16.0 or later.
· Elaan · Documentation website read, tools not yet checked
Elaan developer documentation. Integrate an in-app inbox, email, and push in an afternoon. Frontend SDKs for React, Vue, Svelte, React Native, and Web Components, plus the backend API.
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.