# Hub Monorepo A monorepo codebase that implements the [Farcaster Hub specification](https://github.com/farcasterxyz/protocol#4-hubs) in Typescript and Protocol Buffers. | Package Name | Description | | --------------------------------------------- | ------------------------------------------------------------------------------ | | [@farcaster/hubble](./apps/hubble) | A Hub, which can be run as a stand-alone application. | | [@farcaster/core](./packages/core) | Protobuf definitions and shared utility functions. | | [@farcaster/hub-nodejs](./packages/hub-nodejs) | Node.js package exporting `@farcaster/core` and gRPC client implementation | | [@farcaster/hub-web](./packages/hub-web) | Browser package exporting `@farcaster/core` and gRPC-Web client implementation | ## Contributing Please see [CONTRIBUTING.md](./CONTRIBUTING.md)