Projects

See a Claude prompt before you ship it — tokens, context-window position, cost, caching boundaries.

X-ray your Claude API calls: prompt caching, tokens and cost, visualized live.

Replay a Claude agent's tool-calling loop, step by step on a cinematic timeline.

A/B test your Claude prompts side by side — output, cost and latency, compared.

Interactive Claude tool-use sandbox — define tools, mock responses, watch the agent loop live.

A Vercel-like developer portfolio website template made with Typescript and SvelteKit.

Migrating a website from Gatsby to Next.js.

Beginner-friendly React Native project with GitHub API.

Demo of Remotion for programmatically creating videos with React.

Utility project for creating portable biomes.

Generating millions of data for testing purposes.

Widget project for embedding feedback into web applications.

Application built with Next.js consuming polls API.

Simple Express.js project with OMDB API.

Simple login application with WPF.