44,794
challenges served · last 30 days
Every joiner proves they're human with a challenge that lives entirely inside Discord. Never an external site, never a wallet prompt — so the gate can't be imitated, and raid waves break against it.
New members see only the gate channel — the rest of your server stays hidden until they pass.
A quick in-Discord challenge. No external site, no wallet, nothing to install — real people pass in seconds.
Humans walk in and bots bounce. Pair it with onboarding to greet the people who make it through.
The challenge renders inside Discord — no external sites to fake, no wallet prompts to imitate.
Scripted mass-joins pile up in the gate channel and never see your community.
Turn it on once; Vulcan handles every join after that, on every plan, at any volume.
Every one of these gets past a server with no gate — and none of them get past this one.
A thousand accounts joining in a minute pile up in the gate channel and never see your community.
Bots that join just to mass-DM your members wallet-drainer links never reach the member list.
Accounts that exist to paste links get stopped before their first message.
Old accounts farmed for raids still have to prove a human is at the keyboard today.
Pair the gate with role protections so lookalike accounts are caught at the door.
Kicked bots that rejoin meet the same gate every time, at any volume, on every plan.