Smart Observer
Java mod listed for Minecraft 1.16. Downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.16.5 on Forge. On other versions it may install and then do nothing.
A smart observer that will trigger if a predefined block is placed or removed.
Possible use case:
With a block in hand (eg, a log) right click the smart observer to set the observable block.
Plant a sapling of the same type in front of the observer, add bone meal to make it grow, when the tree is grown, the observer triggers.
From version 1.1 you can craft the Smart Observer:
To craft simply put a vanilla observer in your crafting window. You can convert them back and forth.
Known issues:
- It triggers on any block removed
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.16.5
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as smartobserver-1.0.jar — drop this file into the mods folder
- Download size: 15 KB
- Download link checked 14 Oct 2026 — working
These come from our own check of the pack file, not from the source page.