We Built a Full CRM in 2 Hours with Claude Code — Here's Exactly How

What Is Claude Code?

Claude Code is Anthropic's AI coding agent — a tool that can autonomously write, refactor, and debug entire codebases from a single prompt. Unlike traditional copilots that suggest one line at a time, Claude Code operates at the project level. You describe what you want, and it builds it.

We decided to put it to the ultimate test: build a full production CRM from scratch, in one sitting.

The Prompt-Driven Workflow

Instead of writing code manually, we wrote a detailed specification prompt — roughly 2,000 words covering the full database schema, all features, brand identity, and API structure. We fed this to Claude Code and let it work.

The first pass generated 46 files. A second pass for advanced features (AI scoring, OpenClaw integration, analytics) brought the total to 60 files with 30 API routes. Total active development time: under 2 hours.

// Example: AI Lead Scoring endpoint
// Claude Code generated the full scoring pipeline:
// 1. Fetch lead data from Supabase
// 2. Build context prompt with lead details
// 3. Call Claude Sonnet API for 0-100 score
// 4. Parse response and update lead record
// 5. Log scoring activity to timeline

What Got Built

The CRM includes everything a small consulting firm needs:

• Lead Management — Full CRUD operations, search, filters, bulk actions, and CSV export
• Kanban Pipeline — Drag-and-drop board with 7 stages using @hello-pangea/dnd
• AI Lead Scoring — Claude Sonnet API evaluates each lead on a 0-100 scale with written explanations
• AI Email Drafting — Personalized follow-up emails generated from lead context and conversation history
• Activity Timeline — Every interaction logged automatically with timestamps
• Task Manager — Priority-based task tracking with due dates and status management
• Analytics Dashboard — 8 Recharts visualizations covering pipeline, revenue, and activity trends
• OpenClaw Integration — 9 REST API endpoints for querying the CRM from WhatsApp and Telegram
• Assessment Webhook — Leads from our AI Readiness Assessment auto-populate the CRM via Zapier

The OpenClaw Factor

One of the most powerful features is the OpenClaw integration. OpenClaw is an open-source AI agent that connects to chat apps. We built a REST API layer so we can manage CRM data from a phone conversation.

Send a message on Telegram asking "What leads need follow-up today?" and get a formatted list pulled live from the CRM. Add a new lead, complete a task, or get a daily briefing — all from your phone.

What This Means for Small Businesses

Here's the math that matters: a CRM build like this would cost $15,000–$40,000 at a traditional development agency and take 6–8 weeks. We built it in an afternoon for a fraction of the cost.

This isn't about replacing developers — it's about dramatically accelerating the build process so that custom software becomes accessible to businesses that previously couldn't afford it.

If your business is stuck using HubSpot (paying for features you don't need) or cobbling together spreadsheets and Notion databases, there's a better way. Custom software, built around your workflow, delivered in days instead of months.

Ready to see what we can build for you? Book a free strategy call and let's talk about your workflow.