Privacy Policy

Last updated: 1 October 2026

Signature MCP is a Mac app that lets AI apps on your Mac ask you for a signature. This policy explains what happens to your data when you use it.

Data controller: Coolplay GmbH, Lindengasse 43/19, 1070 Vienna, Austria. Contact for privacy questions: office@coolplay.io.

1. What we collect

Nothing. Signature MCP has no account, no analytics, no tracking, no advertising and no servers of its own. Coolplay receives no data from the app: not your signatures, not your documents, not your company details.

2. What stays on your Mac

Your settings, your company text and your company stamp are stored only on your Mac, in the app's own folder.
A signature is never stored for reuse. The signature image or signed PDF made for a request is a temporary file on your Mac. It is deleted after ten minutes, when your AI app says it's done, and when you quit the app.
A document your AI app hands over for signing is read into memory and its copy deleted at once.
The app's server only accepts connections from your own Mac (127.0.0.1).

3. Your AI app

An AI app you connect receives what you approve in a window: your signature as an image, a signed document, or a copy of your company stamp. It can also read the company text you've set up. Nothing is signed or handed out without your confirmation.

Your AI app may send what it receives to its provider. You choose which AI apps to connect, and their providers' privacy policies cover how they handle it. Coolplay has no access to it.

4. Support requests

If you email us, we use your email address and the content of your message only to answer you (Art. 6(1)(b) and (f) GDPR). We delete support emails once they are no longer needed for that, unless we must keep them for legal reasons.

5. Your rights

Under the GDPR you have the right to access, rectify and erase your personal data, to restrict or object to its processing, and to data portability. Since the app collects no data, these rights mainly concern support emails. To exercise them, contact office@coolplay.io.

You also have the right to lodge a complaint with a supervisory authority, in Austria the Datenschutzbehörde, Barichgasse 40–42, 1030 Vienna — www.dsb.gv.at.

6. Children

Signature MCP isn't directed at children and doesn't knowingly collect data from anyone.

7. This website

This page is part of coolplay.io. Our Cookies & Privacy page covers visits to the website.

8. Changes

If this policy changes, we'll publish the new version here with a new “Last updated” date.

9. Contact

Coolplay GmbH
Lindengasse 43/19, 1070 Vienna, Austria
Email: office@coolplay.io