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openbudget.sh

Enables people to connect bank accounts and investments to their favorite AI agents like Claude, Hermes or OpenClaw.

Fintech · Founded 2023 · United States

Fintech
SaaS
AI

Visit openbudget.sh ↗Founder interest ↓

Can you vibecode this?

Yes

Plaid handles bank auth, Stripe handles billing, and the AI connector layer is standard MCP/API wiring. The budgeting logic, categorisation rules, and spreadsheet sync are all codeable. Nothing here requires a licence, audit, or human delivery.

Build This with Leapd →

The business

Total revenue

$8K+

Verified recently

Monthly revenue

$2K+/mo

↑ Growing · 60-day average

Peak month

~$2K

Best single month

Growth

~6×

Early months vs recent

Profit margin

40%

For owners

Own openbudget.sh? List it for sale.

Founders read this page looking for a business to build like your $2K+/mo one — some would rather buy one that already works. They skip the line, you get a clean exit. $25 one-time, no commission.

Why it works

Value proposition
Bank and investment data flows directly into AI agents for instant budgeting.
Problem
Exporting CSVs from bank UIs to budget manually wastes hours every month.
Audience
Personal finance and AI enthusiasts and small business owners.
Business model
Flat monthly subscription billed annually at $5 per month, with a 7-day free trial.

Good to know7-day free trialPlaidClaudeChatGPTGoogle SheetsExcel

Can you vibecode this?

Yes

Moat

Switching costs
Ecosystem embedding

Why people pay openbudget.sh

Customers who have connected their banks, set up categorization rules and wired AI agents into OpenBudget face real friction to start over. The product also sits inside the daily workflows of Claude and ChatGPT users, making it hard to displace once embedded. A fresh copy has none of that history or those live connections.

Product complexity
Moderate
The app needs Plaid integration, AI connector endpoints, spreadsheet sync and a full budgeting toolset.
Data
Low
Transaction and investment data flows live from Plaid; no proprietary corpus to build or maintain.
Integrations & infrastructure
Moderate
Plaid, Google Sheets, Excel and multiple AI agent platforms each require their own API connection.
Human operations
Low
The product is fully automated; no human work is needed to deliver it to customers.
Regulation / hardware
Low
Plaid holds the banking credentials and compliance burden; OpenBudget itself needs no financial licence.

Build this business

Use the build specification below with any AI coding tool, or build it directly with Leapd.

Build This with Leapd →

Leapd builds

Web app with AI connector endpoints, budgeting tools, spreadsheet sync and investment tracking
Annual subscription at $5/month with a 7-day free trial, billed with Stripe
Plaid, Google Sheets, Excel, Claude, ChatGPT and Hermes connections
A landing page

Leapd runs

Meta ads
LinkedIn and X posts
SEO and AI-search visibility
A daily report of what shipped

Opportunity check

Passes: Proven market: $2K+/mo already paid for it
Passes: Proven model: $5/month billed annually, 7-day free trial, 40% margin
Passes: Proven need: AI enthusiasts want live bank data daily
Passes: Buildable: Leapd builds it end to end

build-spec.txt

Build a web app that connects users' bank accounts and investments to AI agents and spreadsheets, sold as an annual subscription.

Product:
- User accounts with a dashboard showing all connected bank accounts, cards, loans and investment holdings in one view
- Plaid-powered bank and investment connection flow supporting 10,000+ banks and cards
- AI connector endpoints (MCP-compatible) that expose live transaction and budget data to Claude, ChatGPT, Hermes, OpenClaw and other AI agents
- Automatic transaction categorization with user-defined rules that persist across future transactions
- Charge-splitting tool that breaks mixed purchases into multiple budget categories
- Scheduled automation support so AI agents can run recurring tasks (daily summaries, weekly bill checks, monthly reviews) using OpenBudget as the live data source
- Google Sheets and Excel sync that pushes transactions automatically with no CSV exports
- 7-day free trial before billing begins

Billing:
- Annual subscription at $5/month per user, charged upfront via Stripe with a 7-day free trial before the first charge.

Integrations:
- Plaid for bank account and investment data, Google Sheets and Excel for spreadsheet sync, and Claude, ChatGPT, Hermes and OpenClaw for AI agent connections, each connected via their APIs using the customer's own credentials.