How I'd build Founder Fundraising AI
I'd reach for Next.js on the frontend with a FastAPI backend, Postgres for the database, and Stripe for billing. We'd use Resend for transactional email, Twilio for SMS notifications during pitch windows, and Claude API for the content generation engine itself. I'm estimating 160-180 hours to MVP - that's roughly four weeks of full-time work, or two months part-time. The bulk goes to the multi-tenant architecture, payment processing, and the LLM integration pipeline that needs to handle rate-limiting gracefully.
Day-by-day plan
- Day 1: Provision auth schema, multi-tenant tenant model, and role-based access control in Postgres. Deploy empty Next.js app with environment scaffolding.
- Day 2: Wire Stripe billing across the three pricing tiers. Set up webhook handlers for subscription lifecycle events (upgrade, downgrade, churn). Configure Resend for transactional emails.
- Day 3-4: Build the customer onboarding flow - email verification, Stripe customer creation, initial content-generation settings form. Test the happy path and payment decline flows.
- Day 5-6: Implement the core content generator. Claude API calls with prompt templates for pitch decks, email outreach, and LinkedIn posts. Token counting and rate-limit handling.
- Day 7-8: Add usage tracking and metering - log tokens, API calls, generate PDFs and export formats. Hook into Stripe's metered billing for overage charges.
- Day 9-10: User dashboard with generation history, saved outputs, and team member management for team tiers. Search and filtering.
- Day 11-12: Implement free tier with limited generations per month. Usage attribution and tier-gating logic. Set up Twilio for SMS alerts when usage is close to tier limits.
- Day 13-14: End-to-end testing, performance profiling on LLM calls, documentation, and deployment to production with Caddy reverse proxy.
What's hard about this build
The biggest technical risk is the rate-limiting and queuing layer around Claude API calls. Founders will submit requests in spikes - right before pitch meetings - and we'll have concurrent demand from thousands of free and paid users. We need a job queue with Redis to smooth those spikes and prevent dropped requests. The second risk is conflict checking: if a founder writes about a company they're building and that conflicts with an investor's portfolio, we need to catch that and surface it. That requires embedding a portfolio conflict-checking system or integrating with Crunchbase's API. The third is churn handling and ensuring we don't accidentally charge folks or lock them out mid-fundraise. The legal surface is also real: we're generating financial advice adjacent content and need disclaimers and terms-of-service reviews.
What's fast because of AI
Claude compresses the scaffolding phase from days into hours. I describe the ERD, the API endpoints, and the UI components, and Claude generates correct Next.js page structure and Postgres migration files in minutes. Test generation is where the payoff is biggest. Rather than writing unit tests by hand, I describe the edge cases and Claude writes comprehensive test suites that catch real bugs. Product copy inside the UI gets faster too. Instead of me writing "Generate a pitch deck email" five different ways, Claude drafts those prompts and I refine them. Debugging is faster because Claude reasons about error stacks and suggests fixes immediately. The LLM integration itself benefits too: Claude helps me enumerate edge cases in prompt design and I ship those guards as day-one features rather than bugs discovered post-launch.
How I'd hand it off
I'd deliver a Loom walkthrough of the entire admin flow, merchant portal, and API structure. You get a runbook covering environment variables, database backups, Stripe webhook debugging, and how to rotate the Claude API key. I'd run 30 days of pager rotation - you're on call, I'm on call - to catch production issues while you onboard your first cohort. I'll transfer all credentials to your vault, hand off the Postgres backups, and show you how to promote someone internally to admin if I'm not available. Linear board comes with you for open issues.