Models in active development

MonkeyTactics Labs

Explore configurable calculators that go beyond simple formulas. Labs tools disclose their assumptions, keep calculations in your browser, and may evolve as their models are tested and refined.

Open the retirement stress labBrowse all tools

Labs tools 1 tool

Configurable Rust/WASM model Precious Metals Retirement Calculator
Stress-test inflation-adjusted retirement spending across bullion, mining stocks, royalty and streaming companies, and cash.
Precious metalsMonte CarloLocal data

What makes a tool a Lab?

Labs are useful working models for motivated users who want to inspect and adjust the assumptions behind a result. They are educational tools rather than predictions or professional advice. Their experimental label makes that distinction visible without hiding the underlying calculations.