nostr:nprofile1qqspw5udc2nzw6wsj3plrrphe0343744h0ucz9e4g248chl3w8kh03qpz3mhxue69uhkummnw3ezummcw3ezuer9wcqs6amnwvaz7tmwdaejumr0dsq3gamnwvaz7tmjv4kxz7fwv3sk6atn9e5k7z0ykt7 Amethyst displays the interop of relays by the NIPs that are supported and a github link to the description. What if relays and clients point to nostr events that describe what is implemented and used? Then a check between the ones that overlap - if the events are different then that might signal incompatability 

https://i.nostr.build/VkiaPrlfKWergp0R.jpg