Everyday agent tools

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Time zones and world business days, VAT rates and maths, currency conversion, UK business days…

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Copy this into your MCP client config:

{
  "mcpServers": {
    "Everyday agent tools": {
      "url": "https://fourzerotwo.si/mcp/v/tools",
      "transport": "streamable-http"
    }
  }
}

Measured tools (18)

• calculators__uk-business-days read-only

  Is 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.

  Parameters:

  • date (required) — string — YYYY-MM-DD
  • add — integer — Business days to add (negative to subtract)
  • until — string — Count business days until YYYY-MM-DD
  • nation — string — england-and-wales, scotland, northern-ireland

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• calculators__postcode-distance read-only

  Straight-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.

  Parameters:

  • from (required) — string — Postcode
  • to (required) — string — Postcode

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• calculators__currency-convert read-only

  Convert 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.

  Parameters:

  • from (required) — string — ISO currency
  • to (required) — string — ISO currency
  • date — string — YYYY-MM-DD (default latest)
  • amount — string — Amount (default 1)

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• time__convert read-only

  Convert 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.

  Parameters:

  • time (required) — string — Local time YYYY-MM-DDTHH:MM[:SS], no offset
  • from (required) — string — IANA zone of that time
  • to (required) — string — IANA zone to convert to

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• time__now read-only

  Local 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.

  Parameters:

  • zone — string — IANA zone (default UTC)

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• time__zone-info read-only

  Offset, 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.

  Parameters:

  • zone (required) — string — IANA zone
  • at — string — Date/time to evaluate (default now)

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• time__business-days read-only

  Count 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.

  Parameters:

  • country (required) — string — ISO country code
  • from (required) — string — Start date YYYY-MM-DD
  • to — string — End date YYYY-MM-DD (count mode)
  • days — integer — Business days to add (add mode; negative goes back)

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• time__signed read-only

  Server 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.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• uk-bank-holidays__all read-only

  Every published UK bank holiday by division. Free within the daily allowance, then $0.001 USDC per call via x402.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• uk-bank-holidays__england-and-wales read-only

  Bank holidays in England and Wales. Free within the daily allowance, then $0.001 USDC per call via x402.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• uk-bank-holidays__scotland read-only

  Bank holidays in Scotland. Free within the daily allowance, then $0.001 USDC per call via x402.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• uk-bank-holidays__northern-ireland read-only

  Bank holidays in Northern Ireland. Free within the daily allowance, then $0.001 USDC per call via x402.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• vat__rates read-only

  Standard, 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.

  Parameters:

  • country — string — ISO code (omit for all)

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• vat__calculate read-only

  Net 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.

  Parameters:

  • amount (required) — string — Amount
  • from — string — net (default) or gross
  • rate — string — VAT rate in percent (or give country)
  • country — string — Use this country's standard rate

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• vat__validate-format read-only

  Country 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.

  Parameters:

  • vat_number (required) — string — VAT number with country prefix

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• holidays__year read-only

  Official 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.

  Parameters:

  • country (required) — string — ISO code (US, DE, FR, JP…) or provider name
  • year — integer — Year (default this year)

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• holidays__check read-only

  Is 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.

  Parameters:

  • country (required) — string — ISO code
  • date (required) — string — YYYY-MM-DD
  • add — integer — Business days to add

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• holidays__countries read-only

  Every country and regional provider supported. Free within the daily allowance, then $0.0005 USDC per call via x402.

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

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