This project is scheduled for launch
Launch date: Monday, January 11, 2027 at 08:00 AM UTC

Type a formula in plain words and MonsiTools builds a working calculator with labelled inputs. Chain calculators into a workflow so each answer feeds the next step, for example landed cost to Shopify profit, or MRR to runway to valuation.
There are over 1,300 ready-made calculators for business, finance, ecommerce, health and everyday maths, and you can use them without an account. Your AI assistant (Claude, ChatGPT, Cursor) can run the same calculators through the JSON API and MCP server, and any calculator can be embedded on your own site.
Comments will be available once the project is launched.
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