Everyday agent tools
Time zones and world business days, VAT rates and maths, currency conversion, UK business days…
Connect it
Settings → Connectors → Add custom connector
URL: https://fourzerotwo.si/mcp/v/toolsSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://fourzerotwo.si/mcp/v/tools{
"mcpServers": {
"tools": {
"url": "https://fourzerotwo.si/mcp/v/tools",
"headers": {
"X-API-Key": "<YOUR_X_API_KEY>"
}
}
}
}claude mcp add --transport http tools https://fourzerotwo.si/mcp/v/tools --header "X-API-Key: <value>"{
"servers": {
"tools": {
"type": "http",
"url": "https://fourzerotwo.si/mcp/v/tools",
"headers": {
"X-API-Key": "<YOUR_X_API_KEY>"
}
}
}
}18 tools, verified live
calculators__uk-business-daysread-onlyIs a date a UK business day; add or subtract N business days; count business days between dates. Uses official bank holidays per nation. Free within the daily allowance, then $0.001 USDC per call via x402.
calculators__postcode-distanceread-onlyStraight-line distance (km and miles) and compass bearing between two UK postcodes. Free within the daily allowance, then $0.002 USDC per call via x402.
calculators__currency-convertread-onlyConvert between ~30 currencies at the ECB reference rate for today or any date in the last 90 days. Free within the daily allowance, then $0.001 USDC per call via x402.
time__convertread-onlyConvert a wall-clock time from one IANA zone to another; says when it is ambiguous (clocks go back) or never happens (clocks go forward). Free within the daily allowance, then $0.001 USDC per call via x402.
time__nowread-onlyLocal time, UTC, offset, abbreviation, DST flag, weekday and ISO week for a zone. Free within the daily allowance, then $0.001 USDC per call via x402.
time__zone-inforead-onlyOffset, abbreviation and DST at a moment, plus the next clock change, for an IANA zone. Free within the daily allowance, then $0.001 USDC per call via x402.
time__business-daysread-onlyCount business days between two dates, or add business days to a date, skipping weekends and the country's public holidays. Free within the daily allowance, then $0.001 USDC per call via x402.
time__signedread-onlyServer UTC time and a request id. The cheapest paid endpoint: use it to test an x402 payment end to end. Costs $0.001 USDC per call via x402.
uk-bank-holidays__allread-onlyEvery published UK bank holiday by division. Free within the daily allowance, then $0.001 USDC per call via x402.
uk-bank-holidays__england-and-walesread-onlyBank holidays in England and Wales. Free within the daily allowance, then $0.001 USDC per call via x402.
uk-bank-holidays__scotlandread-onlyBank holidays in Scotland. Free within the daily allowance, then $0.001 USDC per call via x402.
uk-bank-holidays__northern-irelandread-onlyBank holidays in Northern Ireland. Free within the daily allowance, then $0.001 USDC per call via x402.
vat__ratesread-onlyStandard, reduced and super-reduced VAT rates for one country or all of EU27 + UK, with the date they were checked. Free within the daily allowance, then $0.001 USDC per call via x402.
vat__calculateread-onlyNet to gross or gross to net at a given rate, or at a country's standard rate. Free within the daily allowance, then $0.001 USDC per call via x402.
vat__validate-formatread-onlyCountry format and check digit for UK (GB/XI) and EU VAT numbers. Does not confirm registration. Free within the daily allowance, then $0.001 USDC per call via x402.
holidays__yearread-onlyOfficial public holidays for a country (or region provider, e.g. Germany/Bavaria) in a year. Free within the daily allowance, then $0.001 USDC per call via x402.
holidays__checkread-onlyIs a date a public holiday or business day in a country; add N business days; next business day. Free within the daily allowance, then $0.001 USDC per call via x402.
holidays__countriesread-onlyEvery country and regional provider supported. Free within the daily allowance, then $0.0005 USDC per call via x402.
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