Worked on the resend/resend-node repository to enhance documentation for email template rendering using JSX at runtime. Focused on clarifying how developers can render JSX in JavaScript and TypeScript files without a dedicated transpilation setup, the contribution included a detailed README update and a practical code example leveraging React’s jsx runtime. This improvement addressed ambiguity in the existing documentation, making the rendering flow more accessible for new and existing users. The work centered on Markdown documentation and provided actionable guidance for integrating runtime JSX, ultimately streamlining onboarding and improving the developer experience for those working with email templates in this codebase.