MCP server exposing the Calcuris tax engines — US income tax & paycheck, US property tax, Canadian provincial income tax, Australian stamp duty & income tax, UK dividend tax. Real 2026 rates, no API key.

A lightweight Jest mock for unit testing Express

Medusa Tax module

Your AI agent, fluent in Australian tax. MCP server with cited answers from 34,500+ Australian Taxation Office documents

TypeScript class that validates UK bank account details using the modulus checking algorithm.

International sales tax calculator for Node (offline, but provides optional online VAT number fraud check). Tax rates are kept up-to-date.

List of codes per country (languages, calling codes, currency codes, etc) with full TypeScript support.

TaxJar Sales Tax API for Node

Standard Number Validation

Recalculate, read and write DIYA-GL books from the command line

Simple package to validate a german tax ID (Steuerindentifikationsnummer)

Tax SDK for Awaken

UK Postcode helper methods

Finds countries by various country codes

Converts UK address fragments into a properly formatted address recognised by Royal Mail's Clear Addressing Guidelines. Maps perfectly from Royal Mails PAF database

Typography assets for @ukic components

Current UK and US tax rates, allowances and thresholds. Income tax, NI, dividends, CGT, corporation tax, IHT, VAT, stamp duty, student loans. 2026/27 figures, no dependencies.

Validate a UK bank account number against a sort code using the VocaLink modulus check

The fastest NINO (UK National Insurance number) generator and validator. Generates and validates UK NI numbers to NIM39110 specifications on Gov.uk.

Fully typed application that generates PCN874 text file