| Repository | Content | Activity |
|------------|---------|----------|
| anonymous/MMTool | Binary v5.02.0024 + patches | Archived |
| UEFI-Community/MMTool | Source code reimplementation (partial) | Stale |
| BIOS-Mods/MMTool-GUI | Wrapper script + old versions | Low |
⚠️ Caution: Downloaded binaries from GitHub may be outdated, modified, or infected. Always verify hashes against known-good copies from trusted forums.
Typing mmtool github into a search engine typically yields several distinct categories of results. Understanding these will save you hours of hunting.
Once you download MMTool from a trusted GitHub release, follow this workflow: mmtool github
One of the most common issues discussed in GitHub issues sections for these tools is compression.
UEFI drivers are almost universally compressed (usually using Tiano or LZMA algorithms). When you look at a module in MMTool, you are often looking at a compressed blob.
A robust tool must:
If the tool fails step 4, your BIOS chip has valid code inside, but the computer thinks the file size is 0 bytes. Result: A black screen on boot.
AMI does not officially publish MMTool on GitHub. It distributes the tool only to motherboard vendors (OEMs) under non-disclosure agreements. Consequently, the versions found online (typically versions 4.50, 5.02, or 5.07) are leaks or reuploads. There is no official AMI repository for MMTool.
While mmtool is the classic name, the GitHub project UEFITool (often found under the LongSoft organization) represents the modern state of the art. ⚠️ Caution: Downloaded binaries from GitHub may be
Why has the community shifted toward the GitHub alternatives?
The BIOS image is split into volumes. You typically have:
If you are building a pipeline to mod BIOS files automatically, the GUI won't cut it. You need the command line version. Typing mmtool github into a search engine typically
Using UEFIExtract (from the UEFITool GitHub):
# Extract all volumes from a BIOS
UEFIExtract bios.bin all