How to install Jev Score on Mac

Before you start

These are one-time installs. If you have used Terminal before, you may have them already — the first step checks.

1. 1

   Install Git

   Apple opens a small installer.

   Type this into Terminal, then press Return.

   Copy the command for step 1

   xcode-select --install

   You know this worked when: Git responds with a version number

2. 2

   Install Node LTS

   Choose the macOS Installer (.pkg).

   Open download ↗

   You know this worked when: Node responds with a version number

Install Jev Score

1. 3

   Open Terminal

   Keep it open beside this page.

   You know this worked when: Terminal is open

2. 4

   Check Git and Node

   Git and the current Node LTS are required.

   Type this into Terminal, then press Return.

   Copy the command for step 4

   git --version
   node --version

   You know this worked when: Git and Node respond with version numbers

3. 5

   Copy Jev Score to this Mac

   Type this into Terminal, then press Return. The first line moves you into the folder this step runs in, so it works in a window you have just opened.

   Copy the command for step 5

   cd ~
   if [ ! -d jev-score/.git ]; then
   git clone https://github.com/a-Fig/jev-score.git
   fi

   You know this worked when: A jev-score folder appears

4. 6

   Open the Jev Score folder

   Type this into Terminal, then press Return. The first line moves you into the folder this step runs in, so it works in a window you have just opened.

   Copy the command for step 6

   cd ~
   cd jev-score

   You know this worked when: Your terminal prompt is inside the jev-score folder

5. 7

   Use the reviewed version

   Type this into Terminal, then press Return. The first line moves you into the folder this step runs in, so it works in a window you have just opened.

   Copy the command for step 7

   cd ~/jev-score
   git checkout 733cd5b6cdf2ed3125e39d434f4c1d570efb031d

   You know this worked when: Git reports the reviewed commit

6. 8

   Install dependencies

   Type this into Terminal, then press Return. The first line moves you into the folder this step runs in, so it works in a window you have just opened.

   Copy the command for step 8

   cd ~/jev-score
   npm install

   You know this worked when: The command finishes without an error

7. 9

   Get a OPENROUTER_API_KEY key

   Sign in, create a key, and copy it.

   Open the page ↗

   You know this worked when: You have a key on your clipboard

8. 10

   Copy the env file

   Then open .env and set OPENROUTER_API_KEY.

   Type this into Terminal, then press Return. The first line moves you into the folder this step runs in, so it works in a window you have just opened.

   Copy the command for step 10

   cd ~/jev-score
   cp .env.example .env

   You know this worked when: .env has OPENROUTER_API_KEY set

9. 11

   Try Jev Score

   Keep Terminal open.

   Type this into Terminal, then press Return. The first line moves you into the folder this step runs in, so it works in a window you have just opened.

   Copy the command for step 11

   cd ~/jev-score
   npm run start

   You know this worked when: Jev Score opens

10. 12

    Try it

    Jev Score should be open and ready to use.

    You know this worked when: Jev Score works

If something goes wrong

Nothing here can damage your computer, and every step can be run again safely. If a command fails, the usual cause is the step before it not having finished.

Still stuck? Tell us what happened and we will fix the guide. Include the step number and we can usually reproduce it.