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

# Postscript MCP server

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

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

## Postscript MCP server

- Address: https://mcp.postscript.io/mcp
- Runs: Hosted
- Sign-in: Self-serve sign-in (`oauth_self_serve`)
- Official MCP Registry: not listed
- How we know it's official: Live check of the vendor's own web address
- First seen: 2026-10-01
- Last checked: 2026-10-01
- Recent checks: 2 of the last 2 reachable

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

### Connect it

Claude Code:

```sh
claude mcp add --transport http postscript https://mcp.postscript.io/mcp
```

- Add to Cursor: <cursor://anysphere.cursor-deeplink/mcp/install?name=postscript&config=eyJ1cmwiOiJodHRwczovL21jcC5wb3N0c2NyaXB0LmlvL21jcCJ9>
- Add to VS Code: <vscode:mcp/install?%7B%22name%22%3A%22postscript%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Fmcp.postscript.io%2Fmcp%22%7D>
- Claude.ai and Claude Desktop: Customize, Connectors, "+", Add custom connector, then paste https://mcp.postscript.io/mcp
- ChatGPT: Settings, Apps, Advanced settings, turn on Developer mode, Create, then paste https://mcp.postscript.io/mcp

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

```json
{
    "mcpServers": {
        "postscript": {
            "type": "http",
            "url": "https://mcp.postscript.io/mcp"
        }
    }
}
```

## Questions

### Does Postscript have an official MCP server?

Yes. Postscript publishes its MCP server itself. Its address is on Postscript's own domain (mcp.postscript.io). MartechDB only lists servers a vendor publishes, never community copies.

### What is the Postscript MCP server URL?

The address is https://mcp.postscript.io/mcp.

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

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

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

In Claude, add https://mcp.postscript.io/mcp 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 postscript https://mcp.postscript.io/mcp

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

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

### Is the Postscript MCP server working?

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

## Alternatives with an official MCP server

In Email & messaging:

- [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)
- [Jampp](https://martechdb.com/vendors/jampp.md) (jampp.com)

## Get this data

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