Yes, check out the link. nostr:nevent1qqszvgfkys5j7efgg9n9vc2m667l5g547gksv8wzgsdrj4cvs5p4y5cppemhxue69uhkummn9ekx7mp0qyg8wumn8ghj7mn0wd68ytnddakj7qgcwaehxw309aex2mrp0yhxvmm4de6xz6tw9enx6tcquas5l

it's a gateway between a bitcoin node and a/many hashers. It allows to build Bitcoin blocks based on the settings of the connected Bitcoin node(i.e. a template) and solo/pool mine with It. It is used by node runners who wants to mine with their own nodes.