Modscraper Modscraper Minecraft

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Observable logo

Observable

Mod

by tasgon

See what's lagging your server.

Type

Mod

CurseForge Downloads

51,060,448

CurseForge ID

509575

Modrinth Downloads

1,911,934

Modrinth ID

VYRu7qmG

Last Updated

Nov 7, 2026

Description

Observable profiles (tile) entities and shows you what's taking up tick time and where. Forge and Fabric compatible. Please report any bugs on the GitHub repository here.

 

(Note: the default keybind to open profiler GUI is R.)

 

Current known issues:

  • Results screen is sometimes empty (closing and reopening the GUI fixes it)

 

FAQ:

  • Why is the mod crashing on startup with a "java.lang.NoClassDefFoundError: kotlin.jvm.<whatever>"?

The mod uses the Kotlin standard library, so please install a mod that provides that, such as Kotlin for Forge or Fabric Language Kotlin.

  • Does this mod need to be installed on the server?

In order to work, yes. Also, players can connect without the mod installed on the client, however they will not be able to use any of its features.

 

Screenshots here.

Compatibility

Mod Loaders

Neoforge

Game Versions

1.21.1

Recommended Gear

Affiliate

Hardware and extras that pair well with this mod.

Mini PC for self-hosting

Mini PC for Self-Hosting

A low-power box that can sit in a cupboard and run a modded server around the clock.

View on Amazon →

As an Amazon Associate I earn from qualifying purchases.

Screenshots

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External Resources

CurseForge Modrinth Source Code Wiki Issues