How to vibe codeBardeen
AI-powered browser automation and workflow platform
bardeen.ai ↗Browser Extension / Sales Automation
The verdict: can you vibe code Bardeen?
You can build a personal workflow automation and scraping extension in a few weeks, but keeping scrapers functional as target websites change layout requires constant maintenance.
Writing a Manifest V3 browser extension that injects scripts, communicates via background workers, and connects to an LLM API is straightforward with AI coding tools. The real friction point is web scraper resilience—when target sites update their CSS classes or DOM hierarchy, your extraction rules break instantly. For personal use, building a bespoke local extension for your own prospecting workflows saves money and works wonderfully, but maintaining enterprise-grade scraper stability is a full-time engineering treadmill.
Estimated effort: 3-4 weeks of focused development
What you can't replicate
- Maintained library of thousands of pre-built scraper templates for major sites
- Enterprise security certifications (SOC 2, CASA)
- Deep native integrations across hundreds of third-party sales platforms
Founded
2020
Raised
$21.8M - $25M
Team
~35 employees
Cheapest paid tier
$0/mo
What Bardeen does
Bardeen is an intelligent browser extension and automation layer that lets go-to-market teams scrape dynamic web pages, enrich lead data, run AI qualification prompts, and sync results straight into spreadsheets or CRMs.
Core features
- Manifest V3 Chrome extension popup and background worker runtime
- DOM element scraping and table extraction via injected content scripts
- AI prompt execution using natural language (Magic Box)
- Contact enrichment via third-party validation APIs
- Local state orchestration and credit tracking
- Spreadsheet and webhook exports (Google Sheets, Airtable, Notion)
The business
Pricing
- Free$0/mo
- Basic$10/mo
- Premium$50/mo
- EnterpriseCustom
Funding
$21.8M - $25M from Venture capital funds
Pay vs build, cumulative
Break-even at month 1 — after that, every month is money kept.
The hard parts of vibe coding Bardeen
- Surviving continuous DOM mutations and anti-bot blocks on complex target sites like LinkedIn or Zillow
- Managing local browser storage quotas and reliable background script message passing
- Handling OAuth credential flows and secure API token management inside an extension
How to vibecode Bardeen
Prerequisites
Node.jsFree
Required for building extension bundles and tooling.
GitHubFree
Version control and repository hosting.
Google ChromeFree
Local testing environment for loading unpacked Manifest V3 browser extensions.
AI coding tools
Recommended stack
| Frontend | React + Tailwind CSS (Extension Popup UI) |
|---|---|
| Backend | Chrome Extension Background Service Worker (TypeScript) |
| Database | IndexedDB / Chrome Storage Local |
| Auth | Local API key storage |
| Payments | None (Personal use clone) |
| Other | Vite (Extension bundling), OpenAI API or Anthropic API (AI qualification) |
Hosting & infrastructure
| Cloudflare | Hosting optional backend webhooks and lightweight license verification API | $0/mo |
Build guide
01Scaffold Chrome Extension Manifest V3 Project
Initialize a TypeScript project using Vite with a multi-page/multi-entry configuration supporting a popup interface, background service worker, and content scripts.
Create a new browser extension project using TypeScript, Vite, React, and Tailwind CSS configured for Manifest V3. Set up the manifest.json with permissions for 'activeTab', 'scripting', 'storage', and host permissions for target domains. Structure the repository with directories for popup, background service worker, and content scripts. Include a build script that outputs a clean dist folder ready for loading as an unpacked extension in Chrome.02Implement DOM Extraction Content Script
Build resilient content scripts capable of querying DOM elements, extracting table rows and profile links, and transmitting structured JSON back to the background script.
Write a content script in TypeScript that listens for extraction messages from the extension background worker. Implement robust DOM traversal functions that target list items, profile headers, and table structures using fallback selectors (data attributes, aria labels, and semantic tags). Handle dynamic lazy-loading pages by scrolling or waiting for element mutations before compiling the scraped array into structured objects.03Build Background Service Worker & Message Router
Create the central background service worker that coordinates workflow steps, manages local state queues, and invokes content scripts in sequence.
Develop a robust background service worker in TypeScript that acts as a workflow state machine. Implement message passing between the React popup and active content scripts. Support sequential multi-step execution: Step 1 scrape search results, Step 2 iterate over profile URLs to scrape details, Step 3 send data to an AI evaluation queue, and Step 4 store results in chrome.storage.local.04Integrate LLM AI Qualification & Prompt Engine
Connect the extension to an LLM API provider (OpenAI or Anthropic) to evaluate scraped lead profiles against a natural language Ideal Customer Profile (ICP).
Implement an AI qualification module inside the background service worker that accepts user-defined ICP criteria and scraped profile JSON. Construct clean prompts sent securely via fetch to the OpenAI or Anthropic API using an API key stored securely in chrome.storage.local. Parse the JSON response to return a boolean qualification status and detailed reasoning for each lead.05Build Extension Popup UI & Workflow Dashboard
Design a clean React popup interface displaying workflow steps, execution progress bars, credit usage counters, and table previews of scraped leads.
Build a sleek React dashboard UI for the extension popup using Tailwind CSS. Create views for selecting workflow templates, configuring ICP prompts, viewing a live data table of scraped and qualified leads, and exporting results directly to CSV or copying them to the clipboard. Display real-time progress indicators and credit usage counters based on local state.06Add Spreadsheet & Webhook Export Integrations
Implement export utilities that push structured lead data directly into Google Sheets via API or user-configured webhook endpoints.
Add export modules to the extension background worker that can send structured lead lists to external endpoints. Implement a Google Sheets API OAuth integration allowing users to push scraped rows directly into a designated spreadsheet, along with a fallback raw CSV file download utility.
Cost vs paying for Bardeen
What will you build it with?
Starting total with Claude Code$0 one-time
Starting costs (one-time)
- AI coding assistant (Claude Pro)$20
Total$20 one-time
Ongoing costs (monthly)
- LLM API usage (OpenAI / Anthropic)~$5-15/mo
Total~$10/mo
Paying for Bardeen
$50/mo (Premium Plan)
Your time to build
35-45 hours
AI tool credits
$20 (Claude Pro)
Break-even
Less than 1 month if replacing Premium tier
Vibe code Bardeen: FAQ
- Can you vibe code Bardeen yourself?
- Solid side project — 68/100 vibecodeable. You can build a personal workflow automation and scraping extension in a few weeks, but keeping scrapers functional as target websites change layout requires constant maintenance.
- How long does it take to vibe code Bardeen?
- 3-4 weeks of focused development — roughly 35-45 hours of hands-on time with an AI coding agent.
- How do you build your own Bardeen?
- Scoped to personal use: React + Tailwind CSS (Extension Popup UI) on the front, Chrome Extension Background Service Worker (TypeScript) behind it, IndexedDB / Chrome Storage Local for data. Follow the 6-step build guide on this page — each step has a paste-ready prompt for an AI coding agent.
- How do you code your own Bardeen without being an expert?
- Use an AI coding tool (Claude Code or Cursor) and work in small steps: scaffold, data model, core screens, then deploy. Realistic effort: 3-4 weeks of focused development. The prompts on this page are written so the AI does the heavy lifting.
- How much does it cost to vibe code Bardeen instead of paying?
- About $20 one-time to start and ~$10/mo to run, versus $50/mo (Premium Plan) for Bardeen. Break-even: Less than 1 month if replacing Premium tier.
- What stack should you use to vibe code Bardeen?
- React + Tailwind CSS (Extension Popup UI); Chrome Extension Background Service Worker (TypeScript); IndexedDB / Chrome Storage Local; plus Vite (Extension bundling), OpenAI API or Anthropic API (AI qualification).