GNPS Workflow Contact information

If you have any questions about how to use GNPS please first ask the community at the GNPS forum located here.

In the event that there is an issue with the GNPS website or workflows, please contact the administrators at

For more in-depth assistance, we invite you to attend the numerous GNPS workshops we offer at UCSD and at conferences throughout the year. Check out the upcoming workshops.

GNPS Office Hours

We are hosting online office hours on a bi-weekly basis online with Ming ( via Zoom:

In office hours we'll cover new and old features of GNPS and most importantly we'll take your personal questions about GNPS, computational mass spectrometry, and any science you want to chat about!

Upcoming Office Hour Schedule

Date/Time Subjects Covered
2PM PST March 11 GNPS Q and A / Additional Topic TBA