How to vibe codeXero

Prerequisites

• Node.jsFree

  Required runtime for executing the full-stack TypeScript application framework.

• GitHubFree

  Code repository hosting and version control for AI agent integration.

AI coding tools

• Claude Code

  Best-in-class terminal agent for scaffolding complex full-stack accounting models, database schemas, and multi-file logic loops.

• Cursor

  Ideal AI-native editor for rapidly refining UI components, ledger tables, and form validations.

Build guide

1. 01Project Scaffolding & Database Schema Setup

   Initialize a fresh Next.js project with Tailwind CSS, configure Drizzle ORM connected to a Neon Postgres database, and establish the core double-entry accounting schema.

   Create a new Next.js TypeScript project configured with Tailwind CSS and Drizzle ORM connected to Neon Postgres. Define a strict double-entry ledger schema with tables for tenants (organizations), accounts (assets, liabilities, equity, revenue, expenses), contacts (customers/suppliers), invoices, invoice_items, bills, bill_items, bank_transactions, and journal_entries. Ensure every transaction forces balanced debit and credit amounts with foreign key constraints. Set up better-auth for secure multi-tenant user authentication.

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2. 02General Ledger & Chart of Accounts Dashboard

   Build the foundational accounting engine interface allowing users to view account balances, track trial balances, and manage their chart of accounts.

   Build a responsive financial dashboard using shadcn/ui components in Next.js. Implement a Chart of Accounts management view where users can create, categorize, and archive ledger accounts. Create a real-time Trial Balance report page that aggregates journal lines to verify total debits equal total credits across all active accounts. Write server actions that safely post journal entries upon invoice creation or payment settlement.

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3. 03Online Invoicing & Quotation Engine

   Develop the complete invoice creation lifecycle, including draft states, tax calculations, PDF generation, and payment link tracking.

   Implement an invoicing module allowing users to draft, issue, and track customer invoices and quotes. Include line items, tax rate multipliers, due date tracking, and status tags (Draft, Awaiting Payment, Paid, Overdue). Generate printable HTML/CSS invoice templates styled professionally. Add a Stripe checkout session integration that automatically updates the invoice status and posts a balancing journal entry to the accounts receivable ledger upon successful webhook receipt.

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4. 04Bill Tracking & Expense Management

   Build bill entry screens, expense claim forms, and document upload interfaces to track outgoing liabilities and operational costs.

   Create a bills and supplier management workflow within the application. Build forms for entering supplier bills, recording bill due dates, and scheduling payments. Implement a receipt upload zone using Cloudflare R2 or local storage, and hook up an extraction pipeline using an LLM vision API to automatically parse vendor names, dates, and totals into bill drafts.

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5. 05Bank Reconciliation Module

   Construct a bank statement import interface and a reconciliation matching engine to reconcile bank feed rows against ledger transactions.

   Build a bank reconciliation interface that allows CSV bank statement imports or simulated bank feeds. Display a side-by-side reconciliation screen matching imported bank statement lines against existing system invoices, bills, and manual journal entries. Implement matching logic that suggests confidence scores for potential transaction matches and records reconciled states in the database.

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6. 06AI Finance Partner Chatbot ('JAX' Clone)

   Integrate an AI assistant powered by the Anthropic API that reads organization financial tables to answer natural language questions about cash flow and profit.

   Implement an AI assistant chat interface ('JAX') using the Anthropic API. Write system prompts and secure database query tools that allow the AI agent to inspect the active tenant's ledger balances, overdue invoices, cash flow metrics, and monthly revenue totals in real time. Ensure strict multi-tenant data isolation so the AI can only query the authenticated user's organization records.

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Cost vs paying for Xero