Substrate Connect offers NPM packages that facilitate seamless and secure interactions with Substrate-based blockchains directly in the browser by utilizing the smoldot WASM light client, removing the dependency on RPC servers and third-party services. This innovative approach enhances the efficiency and security of developing decentralized applications (dApps) on the Polkadot network. The project provides essential tools like @substrate/connect for network connectivity, @substrate/smoldot-discovery for discovery protocols, and @substrate/light-client-extension-helpers for browser extension enhancements. Substrate Connect exemplifies the power of embedding light clients in browser extensions, providing shared resources across multiple dApps, overcoming browser limitations, and ensuring robust blockchain connectivity. Comprehensive API documentation, showcase projects, and detailed development resources are available to guide users in deploying efficient, scalable solutions within the Polkadot ecosystem.