TradingCalendars

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

• Connection: Runs in the cloud
• Transport: Streamable HTTP
• Category: Other
• You need to fill in: Authorization

Install

Pick the AI app you use, then copy the settings.

You need

• Runs in the cloudNothing to install; it connects over the internet

Which app do you use?

claude mcp add --transport http holidays https://api.tradingcalendars.com/mcp --header 'Authorization: your-value'

{
  "mcpServers": {
    "holidays": {
      "url": "https://api.tradingcalendars.com/mcp",
      "headers": {
        "Authorization": "your-value"
      }
    }
  }
}

{
  "servers": {
    "holidays": {
      "type": "http",
      "url": "https://api.tradingcalendars.com/mcp",
      "headers": {
        "Authorization": "your-value"
      }
    }
  }
}

Your choice stays on this device in a cookie; no account needed.

Values you fill in

• Authorization secret HTTP header
  Optional: 'Bearer YOUR_API_KEY'. Without it the server runs a short keyless trial. Free key: https://tradingcalendars.com/signup?ref=mcp-registry

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.

• list_calendars

  List published holiday calendars available to your plan. Optional calendar_type filters by family (CURRENCY_FX, CURRENCY_NON_CLEARING, FINANCIAL_CENTRE, PAYMENT_SYSTEM, EXCHANGE_TRADING, EXCHANGE_SETTLEMENT).

• get_holidays

  Holidays for one calendar by code (e.g. USD.FX). start defaults to today; pass an earlier start for historical holidays, end to bound forward dates. Rows carry original_date when a holiday is observed on a shifted date, plus half-day and early-close details.

• fx_market_holidays

  FX market holidays for a currency (ISO 4217, e.g. USD): days the FX market for that currency does not trade. start defaults to today.

• currency_non_clearing_days

  Currency non-clearing days (ISO 4217, e.g. USD): days the currency cannot clear or settle. Use to validate FX value dates. start defaults to today.

• bank_holidays

  Bank holidays for a financial centre (UN/LOCODE, e.g. USNYC): days retail and commercial banks are closed. start defaults to today.

• payment_system_holidays

  Payment system holidays (e.g. TARGET2, FEDWIRE): days the system does not process or settle. start defaults to today.

• trading_holidays

  Exchange trading holidays for a market (ISO 10383 MIC, e.g. XNYS): days the exchange is closed for trading, including shortened sessions (half_day and early_close_time fields). start defaults to today.

• settlement_holidays

  Exchange settlement holidays for a market (ISO 10383 MIC, e.g. XNYS): days clearing and settlement cannot take place. start defaults to today.

• list_currencies

  List covered currencies (ISO 4217) with issuing country and issuer.

• list_exchanges

  List covered exchanges (ISO 10383 MIC) with country, city, and timezone.

• list_financial_centres

  List covered financial centres (UN/LOCODE) with country and timezone.

• list_payment_systems

  List covered payment systems with operator, type, currency, and country.

• get_weekends

  Weekend definitions and working weekends for one calendar code (e.g. USD.FX). weekend_days is the definition in force today (ISO weekday numbers); weekend_definitions carries the full history.

• market_status

  Live open/half/closed status for exchanges, evaluated against real trading hours and today's trading holidays in each exchange's timezone. Includes next_open_at and next_close_at timestamps. Pass a MIC (e.g. XNYS) for one market or omit it for all. Requires a plan with exchange t

• is_business_day

  Is a date a business day? Answers for one or several calendars at once and says why not (holiday name, weekend) or flags a half day / early close. calendars: one or more calendar codes from list_calendars, e.g. ["USD.FX", "EUR.FX"] for a EUR/USD FX trade, ["XNYS.SETTLE"] for NYSE

• add_business_days

  Date that is N business days after (or before, with negative days) a start date: settlement and value dates (T+1 = 1, T+2 = 2), payment due dates, deadlines. days = 0 rolls a non-business start forward to the next business day. Lists every non-business day skipped and why. calend

• business_days_between

  Number of business days between two dates (start counted, end not counted, like numpy.busday_count), with the non-business days in between and why. calendars: one or more calendar codes from list_calendars, e.g. ["USD.FX", "EUR.FX"] for a EUR/USD FX trade, ["XNYS.SETTLE"] for NYS

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

• ! Caution

  Maker matches the repo

  The registry lists no source repo, so we cannot match the publisher (tradingcalendars.com) to the code

• … Not checked yet

  Still maintained

  We have not read this repo from GitHub yet

• … Not checked yet

  Has a licence

  We have not read this repo from GitHub yet

• ✓ Pass

  Endpoint responds

  Responded in 223 ms (HTTP 200)

• – Not applicable

  Sign-in with OAuth

  No sign-in needed

• ✓ Pass

  No hidden instructions in tool descriptions

  Read 17 tool descriptions and found no hidden instructions to the AI

Compared with others in Otheri

• More stars than 0% of the other 18333 servers in this category
• Published to the registry more recently than 91% of the other 18333 servers in this category
• Basic checks equal to or better than 36% of the other 18333 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

README from the maker

No README found in the repo