---
title: "OneSignal MCP server"
url: "https://martechdb.com/vendors/onesignal"
markdown_url: "https://martechdb.com/vendors/onesignal.md"
api_url: "https://martechdb.com/api/v1/vendors/onesignal.com"
updated: "2026-10-01"
---

# OneSignal MCP server

Yes. OneSignal publishes an official MCP server at https://api.onesignal.com/mcp/oauth. It's hosted and lets you sign in with your OneSignal account. We last checked it on 1 Oct 2026. MartechDB lists only servers the vendor publishes itself, never community servers.

- Website: [onesignal.com](https://onesignal.com)
- Categories: [Email & messaging](https://martechdb.com/categories/email-messaging.md)

## OneSignal MCP server

Lets your AI assistant create and send OneSignal push, email and in-app messages.

- Address: https://api.onesignal.com/mcp/oauth
- Runs: Hosted
- Sign-in: Self-serve sign-in (`oauth_self_serve`)
- Official MCP Registry: not listed
- Documentation: https://documentation.onesignal.com/docs/en/model-context-protocol
- How we know it's official: The vendor's own documentation
- First seen: 2026-10-01
- Last checked: 2026-10-01

Tools: not known. The server needs sign-in before it lists them.

### Connect it

Claude Code:

```sh
claude mcp add --transport http onesignal https://api.onesignal.com/mcp/oauth
```

- Add to Cursor: <cursor://anysphere.cursor-deeplink/mcp/install?name=onesignal&config=eyJ1cmwiOiJodHRwczovL2FwaS5vbmVzaWduYWwuY29tL21jcC9vYXV0aCJ9>
- Add to VS Code: <vscode:mcp/install?%7B%22name%22%3A%22onesignal%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Fapi.onesignal.com%2Fmcp%2Foauth%22%7D>
- Claude.ai and Claude Desktop: Customize, Connectors, "+", Add custom connector, then paste https://api.onesignal.com/mcp/oauth
- ChatGPT: Settings, Apps, Advanced settings, turn on Developer mode, Create, then paste https://api.onesignal.com/mcp/oauth

JSON for Cursor, Windsurf and other clients that connect to hosted servers:

```json
{
    "mcpServers": {
        "onesignal": {
            "type": "http",
            "url": "https://api.onesignal.com/mcp/oauth"
        }
    }
}
```

## Questions

### Does OneSignal have an official MCP server?

Yes. OneSignal publishes its MCP server itself. OneSignal's own documentation describes it. MartechDB only lists servers a vendor publishes, never community copies.

### What is the OneSignal MCP server URL?

The address is https://api.onesignal.com/mcp/oauth.

### Does the OneSignal MCP server need an API key?

No. You sign in with your OneSignal account (OAuth), and your AI client handles the rest.

### How do I connect OneSignal MCP to Claude, ChatGPT or Cursor?

In Claude, add https://api.onesignal.com/mcp/oauth as a custom connector (Customize, Connectors, Add custom connector). In ChatGPT, turn on developer mode (Settings, Apps, Advanced settings) and create an app with the same address. In Cursor, use the Add to Cursor link on MartechDB's page, or paste the JSON settings into your mcp.json. In Claude Code, run: claude mcp add --transport http onesignal https://api.onesignal.com/mcp/oauth

### Is the OneSignal MCP server in the official MCP Registry?

No. OneSignal hasn't published it to the official MCP Registry.

### Is the OneSignal MCP server working?

Yes. It answered our most recent check. We last checked it on 1 Oct 2026.

## Change history

- 2026-10-01: OneSignal MCP server added
- 2026-10-01: Added to MartechDB

## Alternatives with an official MCP server

In Email & messaging:

- [WhatsApp](https://martechdb.com/vendors/whatsapp.md) (whatsapp.com)
- [AppsFlyer](https://martechdb.com/vendors/appsflyer.md) (appsflyer.com)
- [Twilio](https://martechdb.com/vendors/twilio.md) (twilio.com)
- [Kochava](https://martechdb.com/vendors/kochava.md) (kochava.com)

## Get this data

- API: `curl https://martechdb.com/api/v1/vendors/onesignal.com`
- MCP: `claude mcp add --transport http martechdb https://martechdb.com/mcp`, then ask about OneSignal.
- Web page: https://martechdb.com/vendors/onesignal