com.tttkmbb/calcgrid

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Publisher-provided title

Calcgrid

Publisher-provided description

China working-day data, UK bank holidays, IANA time zones and deterministic business deadlines.

Summary by lookupd

Computes working-day offsets, business deadlines, holiday checks, lunar dates, time zone conversions and loan payments for China, UK and…

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http calcgrid https://tttkmbb.com/mcp

Codex, remote (streamable-http)

codex mcp add calcgrid --url https://tttkmbb.com/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "calcgrid": {
      "url": "https://tttkmbb.com/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (showing 30 of 253)

Publisher-provided text

• search_calculators Use this when a user needs a deterministic calculation but none of the dedicated tools clearly matches and the calculator_id is unknown. Search 737 calculators
• list_calculators List all calculators, optionally filtered by category id (finance, health, fitness, math, geometry, statistics, conversion, physics, chemistry, everyday, food,
• list_calculator_categories List the calculator categories with id, name, description and calculator count. Use it to orient before list_calculators. Does not perform calculations.
• list_working_day_calendars Use this before a working-day or business-day task to select the correct evidence package. It distinguishes the worldwide CLDR weekday/weekend baseline, the bro
• get_calculator_schema Use this only after search_calculators when its input_hints do not resolve a range, enum or optional-field question. Return the full input/output schema, formul
• run_calculator Use this when the user needs one of Calcgrid's 737 deterministic calculators and no dedicated typed tool covers it. Call it immediately after search_calculators
• convert_units Use this when the user asks to convert a numeric value between units of the same physical quantity: length, mass, temperature, area, volume, speed, time, data,
• list_units List every unit symbol supported by convert_units, grouped by quantity, with names. Use it when a unit symbol is rejected with UNKNOWN_UNIT. Does not convert an
• calculate_business_deadline Use this when you need an SLA, support, procurement or order deadline measured in business hours under the published mainland China or UK calendar, and must exp
• check_china_working_day Use this when you need to know whether a specific 2024-2026 date is a working day in mainland China, especially around Spring Festival, National Day or another
• add_china_working_days Use this when you need a deadline or settlement date a stated number of mainland China national working days before or after a 2024-2026 date. Call this tool di
• count_china_working_days Use this when you need the number of official mainland China working days in a 2024-2026 date range for an SLA, payroll, project or delivery estimate. Call this
• check_uk_working_day Use this when you need to know whether a 2024-2028 UK date is a Monday-Friday working day after applying the official bank holidays for the selected division. C
• add_uk_working_days Use this when you need a deadline a stated number of UK working days before or after a 2024-2028 date and the correct division's bank holidays matter. Call this
• count_uk_working_days Use this when you need a 2024-2028 UK SLA, payroll, project or delivery-day count and the selected division's bank holidays must be excluded. Call this tool dir
• check_global_working_day Use this when you need a worldwide weekday/weekend check and have a CLDR alpha-2 territory code, but do not need public-holiday exclusions. Call this tool direc
• add_global_working_days Use this when you need a weekday-based date offset for a territory and explicitly want public holidays excluded from the calculation. Call this tool directly an
• count_global_working_days Use this when you need a worldwide weekday-based count for a stated territory and public holidays are intentionally outside scope. Call this tool directly and r
• convert_solar_to_lunar Use this when you need the Chinese lunar date, ganzhi day/month/year, zodiac year or current solar term for a given Gregorian date (defaults to today). Call thi
• convert_lunar_to_solar Use this when you know a lunar date such as 八月十五 or 闰六月初一 of a given lunar year and need the Gregorian date (e.g. for a lunar birthday or festival). Call this t
• list_solar_terms Use this when you need the date or time of 立春, 清明, 夏至, 冬至 or any other solar term in a given year, or the full 24-term table. Call this tool directly and return
• resolve_local_time Use this when you must safely turn a named-zone local time into an instant, validate a scheduled time around a daylight-saving transition, or preserve every pos
• list_time_zone_transitions Use this when you need the next or historical daylight-saving/offset changes for scheduling, payroll, travel, audits or a regression test, with a specific repro
• convert_time_zone Use this when you need to know what time an event scheduled in one city corresponds to in another city or in UTC on a specific date. Call this tool directly and
• calculate_loan_payment Use this when you need the monthly payment or total interest cost of an auto, personal, student or other fixed-rate installment loan given its amount, APR and t
• compare_loans Use this when you have two loan or mortgage quotes with different rates, terms or fees for the same amount and want the payments and lifetime costs side by side
• check_global_public_holiday_working_day Use this when you need a source-labelled 2026-2028 public-holiday reference for one of the supported OpenHolidays countries and nationwide-only semantics are ac
• add_global_public_holiday_working_days Use this when you need a 2026-2028 date offset and accept the OpenHolidays nationwide-only, no-inferred-substitute-day reference semantics. Call this tool direc
• count_global_public_holiday_working_days Use this when you need a source-labelled nationwide public-holiday reference count for a supported country and regional or substitute-day semantics are not requ
• check_global_reference_working_day Use this when you need broad 2026-2028 working-day reference coverage and accept national-scope open-derived semantics rather than a direct authority calendar.

Details

• Version: 1.9.0
• Transports: streamable-http
• Uptime (7 days): 75%
• Median latency: 1963 ms
• First indexed: 2026-11-01T08:59:35.588Z
• Last seen in registry: 2026-11-01T08:59:36.088Z
• Website: https://tttkmbb.com

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