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.
プロンプトドクター
任意のプロンプトを貼り付けるだけで、ベストプラクティスに基づくスコアカード、具体的な修正案、改善されたひな形を即座に取得できます。すべてブラウザ内で完結します。
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.