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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. Our next office hour is on November 19th at 2-3PM PST on Zoom:

with Ming (

This is a place to ask any questions you have on GNPS, computational mass spec, and just an overall good time.