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Meet Fusion 1.0, the first AI agent for product, design and code that builds, learns and ships features across your stack from idea to production. <a href="https://www.builder.io/blog/fusion" rel="noopener noreferrer" target="_blank">Learn more</a>

Fusion 1.0

<a href="https://www.builder.io/c/docs/integrate-jira" rel="noopener noreferrer" target="_blank">Assign Jira tickets</a>&nbsp;directly to the Builder bot and it reads the requirements, creates a branch, and starts implementing. The bot understands acceptance criteria and user stories and turns them into actual features. Comment on tickets with updates and the bot responds with code changes.

Connect Jira to Fusion

Tag @builder.io to request a new feature, tweak an existing one, or ask for changes. Fusion reads the context, links it to your project, and starts building instantly.Everyone stays in the conversation while Fusion handles the implementation. When the bot finishes, it drops updates and previews right back in the thread, keeping the team in sync without leaving Slack.

Collaborate in Slack with Fusion

Connect to Google Docs, HubSpot, and 8,000 other apps. Missing an integration in our MCP library? Use the Zapier MCP to tap into 8,000+ pre-built connections and workflows, from Google Docs to HubSpot and beyond.

Zapier MCP

Connect Fusion to Publish with the Builder CMS MCP server to access your content directly with Fusion’s AI. Use prompts to search, browse, create, and update content, models, and assets. All without leaving your workflow.

Builder CMS MCP Server

Now Fusion Pro customers can password protect the builder.my preview links Fusion generates from a project/branch.

Password protect Fusion previews

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.

Privacy Mode

Install the&nbsp;Builder.io&nbsp;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. <a href="https://www.builder.io/desktop-app" rel="noopener noreferrer" target="_blank">Download Builder Desktop</a>

Builder.io 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&nbsp;<a href="/app/projects" rel="noopener noreferrer">https://builder.io/app/projects</a>Bonus credits don't count against your monthly AI limits and are used first when running AI tasks.

Earn 200 agent credits for you and a friend

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.

Choose your AI Model

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.

Use documents in Notion to build experiences

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.

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Stay up to date with the latest features and updates to Builder.

Developer changelog

Stay up to date with the latest features and updates to Builder.

Want to dive deep into all the recent platform updates? Check out the

Changelog

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Are you a developer? Check out the

Get the latest from Builder.io

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