Tools for planning AI systems
Small interactive tools that turn what I've learned building production AI into a quick answer for your case. They run in your browser — nothing you enter is stored.
AI Agent Attack-Surface Mapper
List your agent's tools and MCP servers. See every prompt-injection path from untrusted input to stolen data or a hijacked action — the lethal trifecta — and which fix closes each one. Shareable, nothing stored.
Open toolRAG Architecture Picker
Answer five questions about your data, users, and constraints. Get a recommended RAG architecture — retrieval strategy, vector store, deployment, and the add-ons your case needs — with the reasoning behind each choice.
Open toolAutomation ROI Calculator
List the repetitive tasks your team does by hand. See the hours and money automating them saves each year, which task to automate first, and payback on your own build and running costs.
Open toolOn CheckPre
LLM, RAG & prompt-caching cost calculators
Compare what a workload costs across Claude, GPT, Gemini and others, including caching and batch discounts.
Open CheckPre