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Installation

  • Node.js v22+ (LTS recommended)
  • PNPM (Highly Recommended) or NPM/Yarn
  • TypeScript knowledge

1. Let's start​

OpenCore is distributed as an NPM package. You can add it to an existing resource or start a new project with our CLI!

first, install the CLI

npm install -g @open-core/cli

and now can you create a new OpenCore project

opencore init

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that's create a monorepo with pnpm, with core/, resources/* and standalones/*

core/ // here is where you code your core-resource
resources/ // here are the others resources
views/ // views folder, if you want to have separate
opencore.config.ts // config file for the project
package.json
pnpm-workspace.yml // example with pnpm
tsconfig.json
cd ./your-project
pnpm install

and ready!

Add your adapter​

After initialization, you need to configure your target platform. OpenCore supports multiple platforms (FiveM, RageMP, RedM, Node) through adapters.

Learn more about adapters

from scratch:​

pnpm add @open-core/framework reflect-metadata tsyringe zod uuid

Required Peer Dependencies​

  • reflect-metadata: For decorator support.
  • tsyringe: For Dependency Injection.
  • zod: For input validation schemas.

2. Configurations​

OpenCore relies heavily on decorators. You must enable specific compiler options in your tsconfig.json.

{
  "compilerOptions": {
    "target": "ES2020",
    "module": "commonjs",
    "experimentalDecorators": true, // REQUIRED
    "emitDecoratorMetadata": true, // REQUIRED
    "strict": true,
    "esModuleInterop": true,
    "skipLibCheck": true
  }
}

First Project​