Terms

These terms cover use of the ProtoCat website at protocat.net. They do not govern the CompCheck application. CompCheck has its own terms at compcheck.protocat.net/terms.

The site describes ProtoCat and CompCheck. Product behavior can change as CompCheck is developed. Descriptions on this site are informational and are not a warranty of a particular listing price, sale, or marketplace result.

CompCheck is not affiliated with Etsy, Inc., eBay Inc., or other marketplaces named in product descriptions. Their names are used to identify services CompCheck can query through official APIs.

Last updated 24 September 2026.