About Bit
Overview
Bit is an open-source, next-generation build system for software composition in the AI era. It organizes source code into composable components so teams can build reliable, scalable applications that humans and AI agents share and reuse.
Bit Cloud packages and deploys frontends, backends, and databases as a single system. Bit is built by Cocycles Ltd. and is free and open source.
Key Benefits
- Compose reusable components, pages, and features into app shells.
- Create reusable UI components and modules to reuse across your software.
- Define standard building blocks as blueprints for humans and AI as one.
- Generate component boilerplate, tests, and documentation with AI agents.
- Use the built-in MCP server with Cursor or GitHub Copilot.
- Extend Bit to automate and consolidate your workflow.
How It Works
Bit breaks source code into standard, composable components. Developers define blueprints for each component, then reuse them across applications through component libraries, monorepos, micro frontends, and multirepos. Teams can start new features in a composable architecture and modernize existing legacy projects.
Use Cases
- Component Libraries: teams publish and reuse a shared catalog of components.
- Monorepo: teams manage many components and apps inside one repository.
- Micro Frontends: teams compose independent frontend features into a unified app.
- Multirepo: teams share components across separate repositories.
- App Shells: teams assemble reusable components, pages, and features into applications.
- Platforms: teams build and deploy scalable platform applications with Bit Cloud.
Key Features
App shells
Compose reusable components, pages, and features into app shells.
Reusable components
Create reusable UI components and modules to reuse across your software.
Standard building blocks
Define blueprints for creating components for humans and AI as one.
AI agent integration
Instantly generate component boilerplate, tests, and documentation.
MCP server
Use Cursor or GitHub Copilot through the built-in MCP server to create and reuse components.
Fully extensible
Extend Bit to automate and consolidate your workflow; Bit uses Bit itself.
Bit Cloud deploy
Deploy frontends, backends, and databases as one system.
Bit Pricing
Pricing extracted from the product website and may change. Check the source for current details.

