The setup prompt checks for memory files in your codebase (BUSINESS-CONTEXT.md, AUTH-SYSTEM.md, etc.) to integrate with your existing auth, design system, and tech stack.
If starting a new app, use the starter to generate memory files + foundation automatically.
Browse 30+ App Starters →Already have an app? Learn about memory files and get prompts to create them from your existing codebase.
What Are Memory Files? + Patch-In Prompts →Why? The newsletter bolt-on needs to know: How is your auth configured? What email provider do you use? What's your design aesthetic? Memory files provide this context so Claude Code builds correctly the first time.
Stop using expensive newsletter platforms for simple email lists. Add a newsletter to your app in 10 minutes.
Landing page, admin dashboard, automated sending—all generated by Claude Code. Easy migration to Beehiiv when you scale.
This template is what HashBuilds uses for our "One AI Power Word" newsletter (coming soon). It's lightweight, customizable, and built for newsletters as a feature—not as a business.
Claude Code generates everything you need: landing page, API routes, database schema, email templates, and a context file that keeps your strategy in sync with your code.
HashBuilds is building a daily AI terminology newsletter using this template. Here's what one email looks like:
noun. The process of taking a pre-trained AI model and training it further on specific data to adapt it for particular tasks or domains.
Fine-tuning is how companies customize powerful base models like GPT-4 for their specific needs without training from scratch—saving millions in compute costs.
HashBuilds newsletter coming soon. Use the template above to build your own.
Reads your memory files (AUTH-SYSTEM.md, TECH-STACK.md, DESIGN-SYSTEM.md) to use your existing auth, email provider, and aesthetic. No mismatched styles or broken integrations.
Strategy file stays synced with your code. Tell Claude "add a newsletter about X" and it handles everything. Easy to migrate when you outgrow it.
Not competing with Beehiiv. This is for app builders who want "newsletter as a feature" to grow their core business. Simple, fast, easy to migrate later.
When you hit 10k subscribers and need segmentation/analytics, export to Beehiiv or ConvertKit. NEWSLETTER-CONTEXT.md documents everything for smooth transition.
Click below to copy the setup prompt. Paste it into Claude Code terminal. Answer the questions. Your newsletter system will be live in 10 minutes.
/NEWSLETTER-CONTEXT.mdWant to see more Claude Code templates?
Browse 30+ App Starters →Need a different aesthetic for your newsletter?
Browse 56+ Aesthetics →