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Prerequisites

Node.js version 18.0 or above
  • When installing Node.js, make sure to check all checkboxes related to dependencies
  • Node.js installation includes NPM (Node Package Manager) which is required
  • You can verify your installation by running:
If you see version numbers displayed for both commands, you’re ready to start building with Modelence!

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Create a new project

This creates a my-app directory with a new Modelence app and installs its dependencies. For a breakdown of what’s inside, see Project Structure.

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Connect to Modelence Cloud

Your browser opens so you can sign in to Modelence Cloud and pick or create the environment to connect to. The environment provisions a MongoDB database for your app, and setup writes its connection details to .modelence.env. See Local Setup for the details.

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Run the app

This starts the development server at http://localhost:3000/ (or the port you set in .env).

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Deploy

Your browser opens so you can pick or create the cloud environment to deploy to, and the app goes live on its URL once the deploy finishes. See Deploy Setup for the details.

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Next steps

If you build with an AI coding agent, see AI Coding Agents to set up Claude Code, Cursor, or Codex with Modelence’s coding rules and documentation access.