ASC: Fast Android Decompiler Front-End for Agents

TL;DR: ASC is a Python-based Android decompiler front-end aimed at AI agents and mobile security researchers. It wraps existing decompilation back-ends with a fast, agent-friendly interface, licensed Apache-2.0.

What it is

MG1937/ASC describes itself as “a super FAST Android decompiler front-end designed for Agents/Mobile Researchers.” Topics include agent, agentic-ai, android, decompilation, and decompile. The repository has 1,203 stars, 197 forks, and only 6 open issues, which is unusually clean for a tool at this stage. The language is Python and the license is Apache-2.0.

It was created in June 2026, putting it in the same generation of “agent-shaped” tooling as the broader 2026 wave.

What it does well

ASC is purpose-built for one job: getting useful output from an APK quickly.

• Speed. The description emphasises that ASC is “super FAST”. For agent workflows that loop over many APKs, the difference between a 30-second decompile and a 3-second decompile changes what you can automate.
• Agent-friendly output. Output is structured for downstream consumption rather than for human scrolling through a Java decompiler. That makes it practical to feed ASC results into another model or a static analysis step.
• Familiar interface. Because it is a Python front-end, calling ASC from a script is the same shape as calling any other CLI tool. There is no custom GUI to launch and no Java toolchain to keep in sync.

How to try it

After cloning and installing dependencies, the typical flow is:

git clone https://github.com/MG1937/ASC.git
cd ASC
pip install -e .
asc decompile path/to/target.apk --output ./out

ASC then walks the APK, decompiles classes, and writes the results to the output directory. The exact back-end (Apktool, jadx, baksmali, or a combination) depends on what ASC ships with at the version you install.

When it fits, and when it doesn’t

ASC fits agent pipelines that need to triage many Android samples, mobile security audits where you want a uniform output format, and reverse-engineering workflows where the bottleneck is the toolchain rather than the analysis. It is less appropriate for one-off APK inspections, where opening jadx-gui directly is often faster than installing Python dependencies.

There is also a scope caveat: ASC is a front-end. The actual decompilation quality depends on the back-end it wraps, and some back-ends are better than others at obfuscated code or native libraries.

Source and Accuracy Notes

• Project page: https://github.com/MG1937/ASC
• Source repository: MG1937/ASC (verified via GitHub API html_url)
• License: Apache-2.0 (verified via GitHub API license.spdx_id)
• Stars at time of writing: 1,203
• Language: Python
• Homepage: none provided in repository metadata