# mmo-chip: Multiplayer CMOS Standard Cell Chips Reverse Engineering Tool

> Source: <https://github.com/giulioz/mmo-chip>
> Published: 2026-06-26 06:18:49+00:00

A tool for reverse-engineering integrated circuits from die photographs, with a special focus on CMOS Gate Array/Standard Cell chips. Import and tile gigapixel die shots, annotate them (vias, traces, standard cells) with optional ML assistance, and extract the circuit, per-cell transistor and logic-gate schematics, and a die-level Verilog netlist.

**Die viewer** — navigate the whole die, with placed cells, nets, and I/O pins.

**Cell RE** — annotate a cell's layers; transistors, gates, and logic are inferred.

Die shots in those screenshots are from [InfoSecDJ](http://infosecdj.net/).

```
frontend/   Vite + React + TypeScript UI (die viewer, cell RE, schematics, Verilog)
backend/    Node + TypeScript API — image import, tiling, JSON persistence, WebSocket
shared/     Shared TypeScript types (the annotation schema)
ml/         Python U-Net for via/trace detection + FastAPI prediction sidecar
data/       Imported dies, tile pyramids, and ML exports
```

**Node ≥ 20**(npm workspaces) — required.** Python ≥ 3.10**— only for the ML sidecar (assisted via/trace annotation).

```
# JS/TS workspaces (frontend + backend + shared)
npm install

# ML sidecar (optional)
python3 -m venv ml/.venv
ml/.venv/bin/pip install -r ml/requirements.txt
npm run dev
```

Starts the backend ([http://localhost:3001](http://localhost:3001)), the frontend
([http://localhost:5173](http://localhost:5173)), and the ML sidecar together. Open the frontend URL.

Without the ML sidecar, run just the two TypeScript apps:

```
npm run dev -w backend
npm run dev -w frontend
```

Build and test:

```
npm run build
npm test
```

**IMPORTANT NOTE:** This software is still very early in development and has been tested only locally (firewalled). Use at your own risk.