BossTools Performance
If you have ever built a sprawling space station in Space-BossTools and watched your frame rate collapse the moment you entered orbit, you already know the problem. Space-BossTools is a fantastic content mod, but its code is not exactly gentle on your hardware. BossTools Performance exists for one reason: to fix that. It is a lightweight optimization add-on that rewrites the worst offenders inside Space-BossTools while keeping every feature intact.
This is not a fork, not a replacement, and not a stripped-down version of the original mod. It is a compatibility-focused performance layer that sits quietly underneath and makes the whole experience smoother on both the client and the server.
What BossTools Performance Actually Does
The core idea is simple. Space-BossTools performs a lot of redundant work, especially when entities, planets, and orbital mechanics are all loaded at once. BossTools Performance "optimizes" that heavy code path without changing how anything behaves in-game. You still get the same rockets, the same planets, the same progression. You just get them without the stutter.
Because the mod is designed to be easily configurable, server owners and pack developers can fine-tune exactly how aggressive the optimizations are. Nothing is forced on you, and nothing breaks existing saves.
How Much Performance Can You Gain?
The numbers depend heavily on your setup, but the reported results are genuinely impressive:
- In a minimal setup with Space-BossTools, ModernFix, and Embeddium, expect roughly 20% savings on both server and client.
- The gains are most noticeable when you are actively on a planet or in orbit, where the original mod does the most work.
- Inside a large modpack, such as FTB Integration by Parts DX, savings of up to 9% are still realistic on both sides.
- With many entities loaded at once, the improvement can climb even higher.
That last point matters. Entity-heavy space bases are exactly where vanilla Space-BossTools struggles most, and it is exactly where this add-on shines.
Requirements and Supported Versions
Before you install anything, understand the dependency chain. BossTools Performance depends on ModernFix and, naturally, on Space-BossTools itself. ModernFix is non-negotiable here; the optimization logic builds on top of it. Embeddium is strongly recommended for the full effect, since the 20% figure assumes it is present.
The mod is built for NeoForge, which is the loader used by modern Space-BossTools releases. If you are running an older Forge setup, check the project page first, because loader support shifts between Minecraft versions. Always match the mod version to your exact Minecraft version and loader, or the game will simply refuse to launch.
For players who want to skip the manual dependency hunt entirely, the foxygame.net launcher handles it cleanly: it detects your Minecraft version, pulls in ModernFix and Space-BossTools automatically, and installs BossTools Performance in a single click. That removes the most common cause of "mod failed to load" errors.
How to Install BossTools Performance
Installation follows the standard mod workflow, but the order and dependencies matter.
Step-by-Step
- Install NeoForge for your target Minecraft version.
- Place ModernFix, Space-BossTools, and Embeddium into your mods folder.
- Add BossTools Performance to the same folder.
- Launch the game once so the config file generates.
- Open the config and adjust optimization settings if your pack needs it.
If you are using a launcher with a built-in add-on catalog, the process is even shorter. Search the catalog for the mod, confirm the version match, and let the launcher resolve the rest. Either way, the first launch after installation is the moment you will notice the difference, particularly if you load straight into an orbital station.
Where to Download BossTools Performance
When you download BossTools Performance, get it from the official project page on CurseForge or Modrinth, and read the GitHub page for detailed configuration notes. CurseForge's formatting can be awkward, so the GitHub documentation is the better reference for advanced tweaks. Avoid mirror sites that repackage mods, since they frequently bundle outdated or modified files.
One more tip: keep auto-updates enabled if your launcher supports them. Space-BossTools updates often, and BossTools Performance needs to track those changes to stay compatible.
Final Thoughts
BossTools Performance for Minecraft is one of those rare add-ons that asks for nothing and gives back a lot. It does not add content, it does not change balance, and it does not demand a new world. It simply removes the performance tax that Space-BossTools has always carried. If you run any space-themed modpack, or even a single Space-BossTools world, this mod belongs in your load order. Pair it with ModernFix and Embeddium, install it correctly for your NeoForge version, and enjoy your planets without the lag.