GET /echo/ HTTP/1.1
host:haproxy.httpcarrierpigeons.xyz
accept:*/*
user-agent:Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
accept-encoding:gzip, br, zstd, deflate
referer:https%3a//haproxy.httpcarrierpigeons.xyz/echo