MPKMod

MPKMod is a client-side mod for Minecraft versions 1.8.9 and 1.12 developed specifically for parkour enthusiasts in the game. It enhances the standard client with additional features that help with better spatial orientation, movement tracking, and improving parkour skills.

Since this is a full-fledged client-side mod, it can be used on absolutely any server - compatibility is guaranteed. No server-side changes are required.

If you're interested in technical details or want to review the source code, visit the official project page on GitHub.