
Echo Spyglass
Locate vibrations through walls with an Echo Shard Spyglass
About this Mod
Crafting
Craft an Echo Spyglass with an Echo Shard.
Usage
Use the Echo Spyglass to locate mobs through walls. This is like having Warden-vision. You will see vibrations whereever mobs are. If you keep the vibrations in view long enough, the mob will begin to glow, showing you its location.
Available Versions
How to Install Echo Spyglass on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set datapack Loader
In the panel under "Egg", select the datapack loader and matching Minecraft version (1.21.4-pre1).
Install Mod
Open the mod browser in the dashboard and search for "Echo Spyglass". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4-pre1, 1.21.3
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Echo Spyglass server crashes on startup – what to do?
Most common cause: wrong datapack version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.4-pre1). You can switch loaders with one click in the panel.
Is Echo Spyglass compatible with datapack and fabric and forge and neoforge and quilt?
Echo Spyglass officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 1.21.4-pre1, 1.21.3. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Echo Spyglass – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Echo Spyglass consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Rent Modded Server
Install Echo Spyglass with just one click on your server.