Builder Product Updates

Keep your code fully local with client-controlled encryption and end-to-end encrypted chats, ensuring Builder never stores or sees your full codebase. This is designed for enterprises that require maximum data privacy.

Install the Builder.io app for your MacOs or Windows computer. Easily launch Builder as a desktop app, better connect to your local code, and access enhanced enterprise security features. Download Builder Desktop

Share your invite link with a friend! When they sign up and upgrade to a Fusion Pro plan, you will both instantly earn 200 bonus agent credits. Try it now at https://builder.io/app/projects

Bonus credits don't count against your monthly AI limits and are used first when running AI tasks.

Now you can switch between Sonnet, GPT-5 and GPT-5 Mini while using Fusion. Switching to a lower cost model uses a fraction of the credits, so you can create and iterate up to 10x more with GPT-5 Mini.

Using the Notion MCP in Fusion, you can now copy a URL from Notion, paste it into Fusion to give the AI context of everything in the doc, no more manual copy / paste workflows so you can go from a Notion doc to a built-out app in minutes.

Connect Semgrep's AI-powered security scanning directly to your workflow with one click. The Semgrep MCP automatically detects vulnerabilities in your codebase and lets Fusion take over to automatically fix the issues without any manual intervention.

Connect the Context7 MCP server to give the Fusion agent access to the latest docs for your frameworks, integrations, and APIs; eliminating hallucinations and providing working code examples that match your exact library versions.