Tools for product engineers
Free diagnostics and calculators to know where you stand and make better calls as you build, ship, and scale your product.
Diagnostics
AI Fluency Test
Gauge how well you use AI in your day-to-day as a builder. Find your blind spots.
Tech Fluency Test
Do you cover the stack from idea to deploy? Assess your end-to-end technical fluency.
Is your repo agent-ready?
Audit whether your repository is instrumented for an AI agent (Claude Code) to build in it. 16 checks.
Will my app scale?
Answer a few questions about your web or mobile architecture and find where it'll break as you grow.
Security Checklist
Score your digital security with 8 simple questions.
MacSecurityGuard
Free, open-source macOS app that scans your firewall, encryption, processes, network connections, browser extensions, and more — in seconds.
Startup & Finance
Can't find what you need?
I have more tools than what you see here — many aren't uploaded yet. If you're wrestling with an engineering, product, or startup problem, reach out. I genuinely enjoy helping with this stuff.
Write me on LinkedIn— Manu