Everyday agent tools
Time zones and world business days, VAT rates and maths, currency conversion, UK business days…
Connector by fourzerotwo.si · Domain verified by the MCP Registry
Install
Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.
npx agentmarket install connector/fourzerotwo-si-tools
Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.
Remote endpoint
https://fourzerotwo.si/mcp/v/toolsRemote (HTTP)
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About
Reviews
Write a reviewNo reviews yet. Installed it? Reviews come from verified installers only. How reviews work
Permissions
What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.
- Tools
- 18 read · 0 write · 0 deleteRead-only
- Secrets
- 1 (API keys, tokens or passwords)
- Install scripts
- Nothing to install (hosted)
- Runs as
- Hosted (remote endpoint)
Tools by what they do 18
From the running server's own tool list (tools/list) on Oct 25, 2026.
Read 18 · Look things up without changing anything.
calculators__currency-convertcalculators__postcode-distancecalculators__uk-business-daysholidays__checkholidays__countriesholidays__yeartime__business-daystime__converttime__nowtime__signedtime__zone-infouk-bank-holidays__all
Show 6 more tools
uk-bank-holidays__england-and-walesuk-bank-holidays__northern-irelanduk-bank-holidays__scotlandvat__calculatevat__ratesvat__validate-format
Secrets and settings it asks for
Secrets: values you paste in that let it act as you.
X-API-Key
Network hosts it talks to 1
fourzerotwo.si· found in remote endpoint, install command
Tools (18)
As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].
calculators__currency-convertCalculators: Currency conversionread-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.
calculators__postcode-distanceCalculators: Distance between postcodesread-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__uk-business-daysCalculators: 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.
holidays__checkWorld Public Holidays: Holiday & business-day 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__countriesWorld Public Holidays: Supported countriesread-onlyEvery country and regional provider supported. Free within the daily allowance, then $0.0005 USDC per call via x402.
holidays__yearWorld Public Holidays: Holidays in a 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.
time__business-daysTime Zones & Business Days: Business days (any country)read-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__convertTime Zones & Business Days: Convert a local time between zonesread-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__nowTime Zones & Business Days: Current time in a zoneread-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__signedTime Zones & Business Days: Paid test callread-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.
time__zone-infoTime Zones & Business Days: Time zone factsread-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.
uk-bank-holidays__allUK Bank Holidays: All bank holidaysread-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-walesUK Bank Holidays: England & Walesread-onlyBank holidays in England and Wales. Free within the daily allowance, then $0.001 USDC per call via x402.
uk-bank-holidays__northern-irelandUK Bank Holidays: Northern Irelandread-onlyBank holidays in Northern Ireland. Free within the daily allowance, then $0.001 USDC per call via x402.
uk-bank-holidays__scotlandUK Bank Holidays: Scotlandread-onlyBank holidays in Scotland. Free within the daily allowance, then $0.001 USDC per call via x402.
Show 3 more tools
vat__calculateVAT Rates & Checks: Add or remove VATread-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__ratesVAT Rates & Checks: 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__validate-formatVAT Rates & Checks: Validate a VAT number 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.
Signals
- Last release
- Oct 11, 2026 (18 days ago)
Details
- Registry name
si.fourzerotwo/tools- Version
- 1.0.1
- Auth
- API key
- License
- License unknown
- Website
- fourzerotwo.si
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- Official MCP Registry
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Cite this page
Everyday agent tools MCP server. Agent Mart. https://agentmart.dev/connectors/fourzerotwo-si-tools (last updated 2026-10-24)