Tools
Free tools for AI operators
Interactive utilities built for the decisions you actually face when shipping AI in production. No signup, no paywalls.
Prompt Library
Curated, copy-paste-ready prompts for everyday tasks — summarizing, drafting, researching, analyzing, extracting, reviewing, planning, comparing. Each one is tested, explained, and ready to use.
Claude API Cost Calculator
Estimate your monthly Claude API spend before you commit. Enter messages per day, token counts, and model — get daily, monthly, and yearly cost breakdowns with and without prompt caching.
System Prompt Builder
Answer a few questions about your use case — tone, output format, audience, constraints — and get a production-ready system prompt you can copy and paste directly into your app.
AI Implementation Maturity Scorecard
10 questions. Find out where you actually stand on your Claude implementation — evals, cost monitoring, error handling, security — and get a specific list of gaps to close.