How should I go about making an anti-cheat?

[Flonkify (Flonk)]

You can fix most movement related exploits by making the characters server owned.

I’d just be patient if I were you though since this is coming to Roblox soon (roadmap):

If you need a solution ASAP, use Chickynoid:

Chickynoid, server authoritative character replacement

**UPDATE: This is good reference code, it works fine. But I’m going to stick a big old ‘southpark’ warning on this and say that due to the nature of this content it should not be used by anyone. Roblox are working on their own server Authority solutions. Hold tight! ** Introducing - Chickynoid! A server-authoritative character replacement for roblox. This is a complete replacement for character physics and replication for roblox. It implements: Server owned character physics Client networ…