Interactive Tools

Free, browser-based tools to set up, grade, and cost out your Claude work — no sign-up, nothing leaves your browser. Generate a CLAUDE.md, build an MCP config, estimate API cost, diagnose a prompt, count tokens, and assemble a prompt from scratch — six tools, all client-side.

📝CLAUDE.md Generator

Build a tuned CLAUDE.md for your project in 60 seconds — copy or download.

🔌MCP Config Builder

Tick the servers you want and get a ready-to-use .mcp.json.

💰API Cost Calculator

Estimate your monthly Claude API cost — and see what prompt caching saves.

Prompt Doctor

Pega cualquier prompt y obtén al instante una tarjeta de puntuación de buenas prácticas, correcciones específicas y un esqueleto mejorado — todo en tu navegador.

🧮Token Estimator

Paste any text and see roughly how many tokens it is — so you can budget context and cost before you call the API.

🧩Prompt Builder

Assemble a clear, well-structured Claude prompt from the building blocks that actually work — role, context, task, examples, output format.