Get started
Get started with MApper.
MApper is distributed via GitHub. Request access through our signup form — once approved, you'll be added as a collaborator on the private repo.
Setup · five steps
01
Accept the GitHub invite
Once your request is approved, you'll receive an invite from GitHub to the MApper-Software repository. Accept it from your email, or visit github.com/…/invitations.
02
Clone the repo
Clone into a working directory of your choice.
git clone https://github.com/leofrht-jpg/MApper-Software.git cd MApper-Software
03
Run setup
The setup script creates the conda environment, installs Python dependencies, and builds the frontend.
chmod +x setup.sh ./setup.sh
04
Start MApper
Launches the local backend and frontend.
./start.sh
05
Open the app & import ecoinvent
Open http://localhost:5173, head to Database Explorer, and import your ecoinvent .7z file.
Full written instructions: INSTALL.md →
Prerequisites
System requirements
| OS | macOS 13+ · Windows 10/11 · Ubuntu 22.04+ |
| RAM | 8 GB minimum · 16 GB recommended |
| Disk | ~5 GB free |
| Python | 3.11+ |
Optional · premise key
For prospective LCA with premise, add your decryption key to a .env file at the project root:
PREMISE_KEY=your-key-here
Request a key from the premise maintainers if you don't have one.
Don't have access yet? Request early access →