How to use Claude to build a crypto dashboard
A developer used mostly Claude Opus 4.5 in agent mode to build Krypto Markets in under 48 hours, directing and reviewing work on live prices, charts, authentication and debugging.
news.ycombinator.com
Prompt to try
Editorial adaptation, not the source author’s exact prompt. Replace bracketed inputs and review tool permissions first.
Build [crypto dashboard] with [framework] and [price-feed WebSocket]. Add responsive candlestick charts, [saved layout], [browser alerts], a command palette and [authentication]. Iterate on bugs and present design choices and implementation changes for my review.
Reach people exploring AI agents
See placements →What happened
The author reports a functional real-time cryptocurrency dashboard in under 48 hours, while noting that some parts needed iteration.
Reported by stfurkan on Hacker NewsHow the agent did it
- Integrate real-time prices through Binance WebSocket.
- Implement responsive layout and candlestick charts.
- Add authentication and debug the dashboard through iteration.
Where a person stepped in
The author reports directing, reviewing and making design decisions throughout development.
A person approved each step before the agent continued.
The author built Krypto Markets, a real-time cryptocurrency dashboard, using AI agent mode and mostly Claude Opus 4.5. They describe the project as an experiment in how far AI-driven development could go, reporting a functional result in less than two days.
Claude handled the Binance WebSocket integration, responsive design, chart implementation, authentication, and debugging. The developer's role was primarily directing the work, reviewing it, and making design decisions. The author notes that not everything worked perfectly on the first attempt, but says iteration was fast enough to produce something functional in under 48 hours.
The reported dashboard includes live prices, candlestick charts with timeframes from one minute to one day, and a drag-and-drop layout with saving and synchronization. It also includes price alerts delivered through browser notifications and a command palette for actions such as adding coins and setting alerts.
The listed stack includes Next.js 16, React 19, TypeScript, Tailwind CSS 4, Zustand, Lightweight Charts, Drizzle with Turso, and Better Auth. The post supplies a live demo and invites feedback on both the project and the development approach.
Who it's for: Developers able to direct and review an agent while building an interactive market-data interface.
Prompt
Suggested prompt (written by Agents In Use, not the author's)
Source: Hacker News · stfurkan
Frequently asked questions
What did Claude implement?
The author specifically credits Claude with WebSocket integration, responsive design, charts, authentication and debugging.
Was the dashboard correct on the first attempt?
The author says not everything was perfect on the first try. They report that iteration produced a functional dashboard in under 48 hours.
More details
About this account
Claude handled implementation and debugging across the dashboard while the author directed the project.
Platform: Hacker News. Attribution: https://news.ycombinator.com/item?id=46402512. Prompt: Suggested (written by Agents In Use, not the author's). Sourced by the Agents In Use pipeline.
Credit: stfurkan on Hacker News
Source published 27 Dec 2025
Source checked 14 Oct 2026
Tools and topics
Claude Opus 4.5 · Binance WebSocket · Next.js · Lightweight Charts · Better Auth
Dashboard · WebSockets · Crypto
Editorial completeness: 100/100. Measures documented fields, not agent performance or verified outcomes.