This is Zinc HTTP Components echoing your request !
Running a ZnManagingMultiThreadedServer(running 8180)
GET request for /echo
with headers
 Connection: close
 Host: znp
 Accept: */*
 Accept-Encoding: gzip, br, zstd, deflate
 User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
 X-Zinc-Remote-Address: 127.0.0.1