The real catalog of tools for AI agents

Calculator, units, statistics for AI agents

Free deterministic tools for math, data transforms, dates, text, statistics, finance, and units.

Math & statistics graphing, computation, visualization, and validation engine

Math.js MCP — wraps the mathjs.org API (free, no auth)

Find free math worksheets (Pre-Algebra–Calculus, Statistics) as printable PDFs with answer keys.

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

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

Exact symbolic math for LLMs: integrals, equations, matrices, and claim verification via Giac/Xcas

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

GPU-accelerated MCP server: symbolic algebra, numerical computing, FFT, optimization, linear algebra

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

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

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

Safe scientific calculator MCP for numeric expressions

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

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

Create interactive 2D and 3D graphs with validated equations, shareable links, and PNG previews.

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

Prime checks, factors, GCD, and basic statistics computed locally. No network and no key.

Step-by-step solver for linear/quadratic equations in one variable, signs and ± always right.