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Terms of use

Last updated: October 15, 2026

These terms cover the hosted sysketch server at sysketch.vercel.app. The sysketch software itself is open source under the MIT License.

Using the service

• The service is free and draws diagrams from the descriptions your AI app sends.
• Don't use it to break the law, to harass anyone, or to overload or attack the service. Requests are rate-limited.
• Don't put secrets or other people's personal data in diagrams; diagram links can be opened by anyone who has them.

Your diagrams

You own the diagrams you create and can use them however you like. We don't claim any rights to them.

Product logos

Diagrams may show product logos from Simple Icons to identify the products in your system. Names and logos are trademarks of their owners; sysketch isn't affiliated with or endorsed by them. When you publish a diagram, follow each brand's guidelines. Brand owners can ask for a logo to be removed by opening an issue.

No warranty

The service is provided "as is", without warranties of any kind, and may change, be limited or stop at any time. To the extent the law allows, we aren't liable for any loss arising from its use.

Changes and contact

We may update these terms; the date above shows the latest version. Questions: open an issue on GitHub.