OneSignal

Community Company API key Communication

Push, email, SMS, and in-app messaging

Verification: Listed for request. Its endpoint hasn't passed our live probe yet, so an admin reviews it before use.
How members connect: This server authenticates with a company API key. An admin supplies it once; Passport stores it encrypted and members never see it.
Endpoint: api.onesignal.com (Streamable HTTP)

Govern OneSignal for your whole team

Approve it once, choose read-only or full access per team, and every member gets it in Claude, Cursor, and ChatGPT. Every call is attributed and audited.