The real catalog of tools for AI agents

Find and run exact business, finance and SaaS calculators instead of guessing the math.

AI assistant access to PicoCalc MicroPython hardware over USB.

Educational MCP server with 17 math/stats tools, visualizations, and persistent workspace

Check products, stock on hand, customers, orders, invoices and quotes, and create records.

Calculator, units, statistics for AI agents

Exact utilities for agents: time zones, date math, business days, calculator, units, validation.

Safe scientific calculator MCP for numeric expressions

Schengen 90/180 rolling-window calculator MCP server: stay math, trip checks, rule explainer.

Maths a model gets wrong: units with dimensional checking, equations, sheets. 5 tools, local.

Astrology charts, Maya calendar and tarot maths, computed on real engines, cited in every answer.

Income and rent calculators, pay stub math checks, and bank-based income analysis tools.

AI-callable calculators and engineering models with real formulas. No hallucinated math.

Image header probing, bbox conversion, resize plans and colour maths. 4 of 6 free.

Loan and mortgage math: monthly payment, amortization schedule, payoff comparison.

Date arithmetic: day differences, business days, age, leap years, day-of-week, add/subtract.

Free strength-training calculators, plus a checker for program files you import into IronLedger.

Dated plan prices, cost traps with evidence and hands-on results for 540 business-software tools.

Lab math: reconstitution, unit conversion, C1V1, molarity, percent w/v, serial dilution.

Processor fees, charge-to-net, invoice totals and proration. 3 of 6 tools free.

Maths lessons on an online whiteboard: solutions, worksheets, graphs and geometry, opened by a link