



Useful Spyglasses!
Description
Useful Spyglasses, or USpy, adds two new spyglass variants to Minecraft. The Glowglass, and the Invisiglass.
The Glowglass
The glowglass lets players see in the darkness just by looking through it. It's crafted using 2 copper ingots and one piece of glowstone dust.
The Invisiglass
The glowglass lets players see invisible entities just by looking through it. It's crafted using 2 copper ingots and one eye of ender.
Other notes
All invisible players are able to see eachother and other invisible entities.
The datapack adds three new advancements for players to get.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.9, 1.21.10, 1.21.11
- 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 Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
Verified by MCModsHub
- Downloads as UsefulSpyglasses.zip
- Download size: 8 KB
- Download link checked 13 Sept 2026 — working
These come from our own check of the pack file, not from the source page.