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MobBug

a Minecraft fabric mod where you can debug mob pathfinding with debug options and option to control mob

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fabricClient1.21.1mod

MobBug is a client-side helper for inspecting and steering mob pathfinding.

  • Press F8 while looking at a mob to select it. Toggle the on-screen overlay with F7 and cycle what is shown (live, preview, both) with F6.
  • When a mob is selected, its active path (if any) is drawn as green boxes and lines. A HUD summary shows distance and node counts.
  • Aim at a block or entity and press F9 to guide the selected mob there. A golden preview path is drawn immediately; in singleplayer the mod also asks the integrated server to move the mob. Press F10 to cancel and stop navigation.
  • The overlay highlights the current target block and shows whether guidance is running in live control or preview-only mode.

Notes and limits:

  • Direct control depends on having an integrated server (singleplayer/LAN). On remote servers the guiding path remains client-side visualisation only.
  • The overlays are rendered relative to the camera and can be toggled off if they become distracting.
  • Key bindings can be remapped in the controls menu if the defaults conflict with your setup.