
A lightweight, open-source performance modpack.
Modpacks get no grade of their own, so we show the grades of its mods. Of its 21 graded mods, 21 are graded A or B, 0 C and none D to F. Its last update came out 3 months ago, for Minecraft 26.2. See the mods
Hammer is a lightweight, open-source performance modpack intended to improve Minecraft’s rendering, game logic, and memory efficiency while preserving the game’s vanilla appearance and mechanics. Its carefully selected optimization mods include Sodium or Embeddium for rendering, ImmediatelyFast for rendering entities and interfaces, Entity Culling to skip invisible objects, and Enhanced Block Entities to reduce lag in areas with many block entities. Other components target particles, leaf rendering, and high-polling-rate mouse input, while Dynamic FPS reduces frame rate and quality in the background to save energy. FerriteCore and ModernFix reduce memory use, Lithium or Radium optimizes game logic without changing mechanics, and ServerCore and zFastNoise improve server and world-generation performance. The pack is deliberately bare-bones, avoiding quality-of-life additions and unnecessary or potentially incompatible optimization mods, so it can serve as a performance-focused foundation for a customized instance or modpack. Some optimizations are preconfigured, and Hammer can be used on clients and servers, with its included mods assigned to the environments where they are intended to run.
Written from Modrinth . How we write it
The mods of its newest release (Minecraft 26.2 · NeoForge, 31 Jul 2026). Each check result is for the latest files of that mod, which may not be the version in this pack.
Compared with the release of 6 Jul 2026 for the same platform, Minecraft version and loader. We do not compare the versions of the mods yet.
No harmful code found in its mods
We checked all 21 mods and the files in the pack itself, without running them.
Why we show this: a modpack installs the files of its mods, and each mod runs on your computer like any program. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: a modpack has no grade of its own, and each mod's result counts in that mod's grade.
1 mod sends something about you
We read the code of all 21 of its mods, without running it.
Why we show this: a modpack runs the code of its mods, and a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.
AI used in 1 of the 21 mods we checked
We found an AI tool in it, or its author declared AI content.
No sign so far that AI was used to make the pack itself
We looked for AI tools in its texts and found none.
We have not read its files, images and code history yet.
Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.
Point at or tap a version to see its loaders.