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Calcgrid

253 tools. 83 can modify or destroy data without limits.

83 write tools that can modify data. Rate limits recommended.

Last updated: 12 Oct 2026

83 can modify or destroy data

170 read-only

253 tools total

Community server · catalogue entry checked 12/10/2026 · full schemas captured for 252 of 253 tools

How to control Calcgrid ↓

TOOL MAP

What Calcgrid exposes to your agents

Read (170) Write / Execute (83) Destructive / Financial (0)

Running more than one server? Check your whole stack →

CONTEXT-WINDOW COST

What Calcgrid costs in tokens

140,850 tokens of tool definitions, loaded on every request

70% of a 200k context window

2,043 heaviest tool: calculate_t_test

Full per-tool breakdown → Model it in the token calculator →

MOST DANGEROUS TOOLS

High Risk

The most dangerous Calcgrid tools

Execute · Medium calculate_bazi_four_pillars Use this when you need the four stem-branch pillars (年柱月柱日柱时柱) of a birth moment, the day master and its ten-god relations, element balan Execute · Medium 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 afte Write · Medium add_cl_working_days Use this when you need a deterministic Chile working-day offset. Call this tool directly and return its calculation instead of answering the Write · Medium add_ke_working_days Use this when you need a deterministic Kenya working-day offset. Call this tool directly and return its calculation instead of answering the

83 of Calcgrid's 253 tools can modify, destroy, or commit something on every call — and an agent calls them with no built-in limits.

POLICY

How to control Calcgrid

PolicyLayer is an MCP gateway — it sits between your AI agents and Calcgrid, and nothing reaches the server without passing your rules. These are the rules we recommend:

Rate limit write operations

{
  "add_ar_working_days": {
    "limits": [
      {
        "counter": "add_ar_working_days_per_hour",
        "window": "hour",
        "max": 30,
        "scope": "grant"
      }
    ]
  }
}

Prevents bulk unintended modifications from agents caught in loops.

Cap read operations

{
  "calculate_ab_test_significance": {
    "limits": [
      {
        "counter": "calculate_ab_test_significance_per_minute",
        "window": "minute",
        "max": 60,
        "scope": "grant"
      }
    ]
  }
}

Controls API costs and prevents retry loops from exhausting upstream rate limits.

Create a free account and register Calcgrid — nothing to install.
Add these rules — paste them, or build them visually. Tune the limits to your setup.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

ENFORCE POLICY ON CALCGRID →

Instant setup, no code required.

FULL CATALOGUE

All 253 Calcgrid tools

EXECUTE 2 tools

Execute calculate_bazi_four_pillars Use this when you need the four stem-branch pillars (年柱月柱日柱时柱) of a birth moment, the day master and its te Execute run_calculator Use this when the user needs one of Calcgrid's 737 deterministic calculators and no dedicated typed tool cover

WRITE 81 tools

Write add_ar_working_days Use this when you need a deterministic Argentina working-day offset. Call this tool directly and return its ca Write add_at_working_days Use this when you need a deterministic Austria working-day offset. Call this tool directly and return its calc Write add_australia_working_days Use this when you need a state/territory-specific Australian date offset in 2026-2027. Call this tool directly Write add_bd_working_days Use this when you need a deterministic Bangladesh working-day offset. Call this tool directly and return its c Write add_be_working_days Use this when you need a deterministic Belgium working-day offset. Call this tool directly and return its calc Write add_bg_working_days Use this when you need a deterministic Bulgaria working-day offset. Call this tool directly and return its cal Write add_br_working_days Use this when you need a deterministic Brazil working-day offset. Call this tool directly and return its calcu Write add_canada_federal_working_days Use this when you need a deterministic baseline offset for a federally regulated-employer calendar in 2026-202 Write add_ch_working_days Use this when you need a deterministic Switzerland working-day offset. Call this tool directly and return its Write add_china_working_days Use this when you need a deadline or settlement date a stated number of mainland China national working days b Write add_cl_working_days Use this when you need a deterministic Chile working-day offset. Call this tool directly and return its calcul Write add_co_working_days Use this when you need a deterministic Colombia working-day offset. Call this tool directly and return its cal Write add_cz_working_days Use this when you need a deterministic Czech Republic working-day offset. Call this tool directly and return i Write add_de_working_days Use this when you need a deterministic Germany working-day offset. Call this tool directly and return its calc Write add_dk_working_days Use this when you need a deterministic Denmark working-day offset. Call this tool directly and return its calc Write add_ee_working_days Use this when you need a deterministic Estonia working-day offset. Call this tool directly and return its calc Write add_eg_working_days Use this when you need a deterministic Egypt working-day offset. Call this tool directly and return its calcul Write add_es_working_days Use this when you need a deterministic Spain working-day offset. Call this tool directly and return its calcul Write add_fi_working_days Use this when you need a deterministic Finland working-day offset. Call this tool directly and return its calc Write add_fr_working_days Use this when you need a deterministic France working-day offset. Call this tool directly and return its calcu Write add_gh_working_days Use this when you need a deterministic Ghana working-day offset. Call this tool directly and return its calcul Write add_global_public_holiday_working_days Use this when you need a 2026-2028 date offset and accept the OpenHolidays nationwide-only, no-inferred-substi Write add_global_reference_working_days Use this when you need a broad 2026-2028 date offset and accept OpenWorkdays reference semantics, including it Write add_global_working_days Use this when you need a weekday-based date offset for a territory and explicitly want public holidays exclude Write add_gr_working_days Use this when you need a deterministic Greece working-day offset. Call this tool directly and return its calcu Write add_hk_working_days Use this when you need a deterministic 中国香港特别行政区 working-day offset. Call this tool directly and return its ca Write add_hr_working_days Use this when you need a deterministic Croatia working-day offset. Call this tool directly and return its calc Write add_hu_working_days Use this when you need a deterministic Hungary working-day offset. Call this tool directly and return its calc Write add_id_working_days Use this when you need a deterministic Indonesia working-day offset. Call this tool directly and return its ca Write add_india_central_working_days Use this when you need a deterministic central-government date offset with a required office scope. Call this Write add_ireland_working_days Use this when you need a deterministic Ireland national public-holiday offset. Call this tool directly and ret Write add_it_working_days Use this when you need a deterministic Italy working-day offset. Call this tool directly and return its calcul Write add_japan_national_working_days Use this when you need a deterministic Japan statutory national-holiday date offset in 2026-2027. Call this to Write add_ke_working_days Use this when you need a deterministic Kenya working-day offset. Call this tool directly and return its calcul Write add_kr_working_days Use this when you need a deterministic South Korea working-day offset. Call this tool directly and return its Write add_kz_working_days Use this when you need a deterministic Kazakhstan working-day offset. Call this tool directly and return its c Write add_lk_working_days Use this when you need a deterministic Sri Lanka working-day offset. Call this tool directly and return its ca Write add_lt_working_days Use this when you need a deterministic Lithuania working-day offset. Call this tool directly and return its ca Write add_lu_working_days Use this when you need a deterministic Luxembourg working-day offset. Call this tool directly and return its c Write add_lv_working_days Use this when you need a deterministic Latvia working-day offset. Call this tool directly and return its calcu Write add_mt_working_days Use this when you need a deterministic Malta working-day offset. Call this tool directly and return its calcul Write add_mx_working_days Use this when you need a deterministic Mexico working-day offset. Call this tool directly and return its calcu Write add_my_working_days Use this when you need a deterministic division-specific offset in 2027. Call this tool directly and return it Write add_new_zealand_working_days Use this when you need a deterministic New Zealand national statutory offset. Call this tool directly and retu Write add_ng_working_days Use this when you need a deterministic Nigeria working-day offset. Call this tool directly and return its calc Write add_nl_working_days Use this when you need a deterministic Netherlands working-day offset. Call this tool directly and return its Write add_no_working_days Use this when you need a deterministic Norway working-day offset. Call this tool directly and return its calcu Write add_pe_working_days Use this when you need a deterministic Peru working-day offset. Call this tool directly and return its calcula Write add_ph_working_days Use this when you need a deterministic Philippines working-day offset. Call this tool directly and return its Write add_pk_working_days Use this when you need a deterministic Pakistan working-day offset. Call this tool directly and return its cal Write add_pl_working_days Use this when you need a deterministic Poland working-day offset. Call this tool directly and return its calcu Write add_pt_working_days Use this when you need a deterministic Portugal working-day offset. Call this tool directly and return its cal Write add_ro_working_days Use this when you need a deterministic Romania working-day offset. Call this tool directly and return its calc Write add_ru_working_days Use this when you need a deterministic Russia working-day offset. Call this tool directly and return its calcu Write add_sa_working_days Use this when you need a deterministic Saudi Arabia working-day offset. Call this tool directly and return its Write add_se_working_days Use this when you need a deterministic Sweden working-day offset. Call this tool directly and return its calcu Write add_si_working_days Use this when you need a deterministic Slovenia working-day offset. Call this tool directly and return its cal Write add_singapore_working_days Use this when you need a deterministic Singapore date offset in 2026-2027 and accept the stated employer-rest- Write add_sk_working_days Use this when you need a deterministic Slovakia working-day offset. Call this tool directly and return its cal Write add_south_africa_working_days Use this when you need a deterministic South Africa national public-holiday offset. Call this tool directly an Write add_th_working_days Use this when you need a deterministic Thailand working-day offset. Call this tool directly and return its cal Write add_turkey_working_days Use this when you need a deterministic Türkiye statutory working-day offset in 2026-2027. Call this tool direc Write add_tw_working_days Use this when you need a deterministic 中国台湾省 working-day offset. Call this tool directly and return its calcul Write add_uae_federal_working_days Use this when you need a deterministic UAE federal-government offset inside 2026. Call this tool directly and Write 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 Write add_us_federal_working_days Use this when you need a deterministic US federal employee/office date offset in 2026-2027. Call this tool dir Write add_uzbekistan_working_days Use this when you need a deterministic workday offset and know the workweek variant. Call this tool directly a Write add_vn_working_days Use this when you need a deterministic Vietnam working-day offset. Call this tool directly and return its calc Write calculate_amortization_schedule Use this when you need to see how each payment splits into principal and interest over the life of a mortgage Write calculate_business_deadline Use this when you need an SLA, support, procurement or order deadline measured in business hours under the pub Write calculate_date_difference Use this when you need the number of days, weeks or working days between two dates, or a calendar-style 'x yea Write calculate_descriptive_statistics Use this when you have a set of numeric observations and need its central tendency, spread or quartiles, e.g. Write calculate_fraction_arithmetic Use this when you need an exact result of an operation on two fractions (e.g. 3/4 + 1/6), including mixed numb Write calculate_tip Use this when you need to add a gratuity to a restaurant, delivery or service bill and optionally divide the t Write convert_betting_odds Use this when you have odds in one format and need the other two, the implied probability of a price, or the p Write 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 Write 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 Write convert_temperature Use this when you need a weather, cooking, body or laboratory temperature in another scale, e.g. Fahrenheit to Write 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 U Write convert_units Use this when the user asks to convert a numeric value between units of the same physical quantity: length, ma Write resolve_local_time Use this when you must safely turn a named-zone local time into an instant, validate a scheduled time around a

READ 170 tools

Read calculate_ab_test_significance Use this when you have visitors and conversions for a control and a variant (A/B test, split test, email test) Read calculate_age Use this when you need someone's exact age on a date, the total number of days lived, the weekday they were bo Read calculate_bmi Use this when you need an adult's BMI, its WHO/CDC weight category, or the weight range that corresponds to a Read calculate_bmr Use this when you need resting daily calorie needs for an adult from sex, weight, height and age, as a base fo Read calculate_circle_properties Use this when you know a circle's radius or diameter and need its area, circumference or the other dimension. Read calculate_compound_interest Use this when you need to project a savings account, certificate of deposit or investment balance from a start Read calculate_depth_of_field Use this when you need to know how much of a scene is acceptably sharp for given camera settings, or how far s Read calculate_haversine_distance Use this when you need the straight-line distance between two GPS coordinates or cities, e.g. for flight dista Read calculate_kinetic_energy Use this when you need the energy of motion of an object of known mass and speed (vehicle, projectile, ball), Read calculate_loan_payment Use this when you need the monthly payment or total interest cost of an auto, personal, student or other fixed Read calculate_molar_mass Use this when you have a chemical formula and need its molar mass (molecular weight), the number of atoms of e Read calculate_mortgage_payment Use this when you want the monthly cost of buying a home with a fixed-rate mortgage, including escrowed taxes Read calculate_percentage Use this when you need a percentage of a value, the percentage one value represents of another, or the base va Read calculate_percentage_change Use this when you have a starting and an ending value and need the percentage increase or decrease, or a symme Read calculate_running_pace Use this when you know a distance and the time it took (or a target time) and need the pace, the equivalent sp Read calculate_subnet Use this when you need to know which subnet an IPv4 address belongs to, the host range and count of a /prefix, Read calculate_t_test Use this when you want to test whether a sample mean differs from a hypothesised value, whether two independen Read calculate_tdee Use this when you need daily maintenance calories for an adult, or calorie targets for a mild/standard deficit Read cast_plum_blossom_hexagram Use this when you need a Plum Blossom hexagram cast for a moment or from numbers, with the upper/lower trigram Read check_ar_working_day Use this when you need a deterministic Argentina Argentina nationwide national holidays and published tourism Read check_at_working_day Use this when you need a deterministic Austria Austria nationwide statutory public holidays for 2026-2027 resu Read check_australia_working_day Use this when you need a state/territory-wide Australian public-holiday result. Call this tool directly and re Read check_bd_working_day Use this when you need a deterministic Bangladesh Bangladesh 2026 government public-office holiday schedule pl Read check_be_working_day Use this when you need a deterministic Belgium Belgium ten statutory private-sector public holidays for 2026-2 Read check_bg_working_day Use this when you need a deterministic Bulgaria Bulgaria 2026 nationwide rest-day facts with explicit Monday-F Read check_br_working_day Use this when you need a deterministic Brazil Brazil federal executive public administration (SIPEC) result. C Read check_canada_federal_working_day Use this when you need a federally regulated-employer general-holiday result for 2026-2027. Call this tool dir Read check_ch_working_day Use this when you need a deterministic Switzerland Switzerland federal public holiday layer for 2026-2027 resu Read check_china_working_day Use this when you need to know whether a specific 2024-2026 date is a working day in mainland China, especiall Read check_cl_working_day Use this when you need a deterministic Chile Chile nationwide statutory/public holidays for 2026 result. Call Read check_co_working_day Use this when you need a deterministic Colombia Colombia nationwide statutory paid-rest public holidays for 20 Read check_cz_working_day Use this when you need a deterministic Czech Republic Czech Republic 2026 statutory holidays with explicit Mon Read check_de_working_day Use this when you need a deterministic Germany Germany nationwide statutory public holidays for 2026 result. C Read check_dk_working_day Use this when you need a deterministic Denmark Denmark nationwide statutory public holidays for 2026-2027 resu Read check_ee_working_day Use this when you need a deterministic Estonia Estonia 2026 statutory rest and conditional shortening facts wi Read check_eg_working_day Use this when you need a deterministic Egypt Egypt 2026 official public-holiday layer for ministries, governme Read check_es_working_day Use this when you need a deterministic Spain Spain nationwide national non-substitutable labour holidays for 2 Read check_fi_working_day Use this when you need a deterministic Finland Finland nationwide church and national full-day public holidays Read check_fr_working_day Use this when you need a deterministic France France national legal public holidays result. Call this tool dir Read check_gh_working_day Use this when you need a deterministic Ghana Ghana 2026 nationwide statutory/public-holiday layer over a Satur Read check_global_public_holiday_working_day Use this when you need a source-labelled 2026-2028 public-holiday reference for one of the supported OpenHolid Read check_global_reference_working_day Use this when you need broad 2026-2028 working-day reference coverage and accept national-scope open-derived s Read 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 ne Read check_gr_working_day Use this when you need a deterministic Greece Greece nationwide compulsory public holidays under the employmen Read check_hk_working_day Use this when you need a deterministic 中国香港特别行政区 Hong Kong general holidays under the General Holidays Ordinan Read check_hr_working_day Use this when you need a deterministic Croatia Croatia 2026 article 1 general holiday facts with explicit Mond Read check_hu_working_day Use this when you need a deterministic Hungary Hungary 2026 general Monday-Friday work schedule result. Call t Read check_id_working_day Use this when you need a deterministic Indonesia Indonesia national holidays and joint-leave schedule publishe Read check_india_central_working_day Use this when you need a deterministic 2026 central-government office baseline and can specify Delhi/New Delhi Read check_ireland_working_day Use this when you need an Ireland national statutory public-holiday result. Call this tool directly and return Read check_it_working_day Use this when you need a deterministic Italy Italy nationwide statutory/public holidays for 2026-2027 result. Read check_japan_national_working_day Use this when you need Japan statutory national-holiday status for 2026-2027. Call this tool directly and retu Read check_ke_working_day Use this when you need a deterministic Kenya Kenya 2026 nationwide public-holiday layer over a Saturday-Sunday Read check_kr_working_day Use this when you need a deterministic South Korea South Korea statutory public holidays and public-office sub Read check_kz_working_day Use this when you need a deterministic Kazakhstan Kazakhstan nationwide published 2026 five-day public-holiday Read check_lk_working_day Use this when you need a deterministic Sri Lanka Sri Lanka 2026 public, bank, mercantile and full-moon Poya ho Read check_lt_working_day Use this when you need a deterministic Lithuania Lithuania 2026 statutory holiday facts over explicit mon_fri_ Read check_lu_working_day Use this when you need a deterministic Luxembourg Luxembourg 2026-2028 eleven annual statutory holidays with e Read check_lv_working_day Use this when you need a deterministic Latvia Latvia 2026 statutory calendar, explicit statutory_holidays_only Read check_mt_working_day Use this when you need a deterministic Malta Malta 2026 fourteen named statutory holidays and Sunday public ho Read check_mx_working_day Use this when you need a deterministic Mexico Mexico Federal Labour Law mandatory rest days result. Call this Read check_my_working_day Use this when you need a division-specific Malaysian public-holiday result. Call this tool directly and return Read check_new_zealand_working_day Use this when you need a New Zealand national statutory public-holiday result. Call this tool directly and ret Read check_ng_working_day Use this when you need a deterministic Nigeria Nigeria 2026 nationwide federal public-holiday calendar over a Read check_nl_working_day Use this when you need a deterministic Netherlands Netherlands official public holidays for 2026-2027; employe Read check_no_working_day Use this when you need a deterministic Norway Norway nationwide statutory public holidays for 2026-2027 result Read check_pe_working_day Use this when you need a deterministic Peru Peru 2026 national_statutory result. Call this tool directly and r Read check_ph_working_day Use this when you need a deterministic Philippines Philippines nationwide presidential-proclamation calendar r Read check_pk_working_day Use this when you need a deterministic Pakistan Pakistan 2026 nationwide federal public-holiday layer over a S Read check_pl_working_day Use this when you need a deterministic Poland Poland nationwide statutory public holidays for 2026-2027 result Read check_pt_working_day Use this when you need a deterministic Portugal Portugal nationwide mandatory public holidays for 2026-2027 re Read check_ro_working_day Use this when you need a deterministic Romania Romania 2026 statutory holiday layer, romanian_orthodox, explic Read check_ru_working_day Use this when you need a deterministic Russia Russia federal statutory public holidays and Government-publishe Read check_sa_working_day Use this when you need a deterministic Saudi Arabia Saudi Central Bank financial institutions result. Call thi Read check_se_working_day Use this when you need a deterministic Sweden Sweden nationwide statutory public holidays for 2026-2027 result Read check_si_working_day Use this when you need a deterministic Slovenia Slovenia 2026 statutory work-free facts with explicit Monday-F Read check_singapore_working_day Use this when you need Singapore national public-holiday status for 2026-2027. Call this tool directly and ret Read check_sk_working_day Use this when you need a deterministic Slovakia Slovakia 2026 national statutory rest-day calendar result. Cal Read check_south_africa_working_day Use this when you need a South Africa national public-holiday result. Call this tool directly and return its c Read check_th_working_day Use this when you need a deterministic Thailand Thailand financial institutions and specialized financial inst Read check_turkey_working_day Use this when you need Türkiye national statutory public-holiday status. Call this tool directly and return it Read check_tw_working_day Use this when you need a deterministic 中国台湾省中国台湾省政府行政機關工作日曆 2026-2027 result. Call this tool directly and ret Read check_uae_federal_working_day Use this when you need a UAE federal-government workday or public-holiday result for 2026. Call this tool dire Read 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 o Read check_us_federal_working_day Use this when you need US federal employee or federal-office holiday status for 2026-2027. Call this tool dire Read check_uzbekistan_working_day Use this when you need an auditable nationwide Uzbekistan 2026 result and know the workweek variant. Call this Read check_vn_working_day Use this when you need a deterministic Vietnam Vietnam public-sector 2026 holiday schedule and nationwide stat Read compare_loans Use this when you have two loan or mortgage quotes with different rates, terms or fees for the same amount and Read count_ar_working_days Use this when you need an auditable Argentina working-day count. Call this tool directly and return its calcul Read count_at_working_days Use this when you need an auditable Austria working-day count. Call this tool directly and return its calculat Read count_australia_working_days Use this when you need an auditable state/territory working-day count. Call this tool directly and return its Read count_bd_working_days Use this when you need an auditable Bangladesh working-day count. Call this tool directly and return its calcu Read count_be_working_days Use this when you need an auditable Belgium working-day count. Call this tool directly and return its calculat Read count_bg_working_days Use this when you need an auditable Bulgaria working-day count. Call this tool directly and return its calcula Read count_br_working_days Use this when you need an auditable Brazil working-day count. Call this tool directly and return its calculati Read count_canada_federal_working_days Use this when you need an auditable Canada federal baseline count for a pinned year. Call this tool directly a Read count_ch_working_days Use this when you need an auditable Switzerland working-day count. Call this tool directly and return its calc Read 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 Read count_cl_working_days Use this when you need an auditable Chile working-day count. Call this tool directly and return its calculatio Read count_co_working_days Use this when you need an auditable Colombia working-day count. Call this tool directly and return its calcula Read count_cz_working_days Use this when you need an auditable Czech Republic working-day count. Call this tool directly and return its c Read count_de_working_days Use this when you need an auditable Germany working-day count. Call this tool directly and return its calculat Read count_dk_working_days Use this when you need an auditable Denmark working-day count. Call this tool directly and return its calculat Read count_ee_working_days Use this when you need an auditable Estonia working-day count. Call this tool directly and return its calculat Read count_eg_working_days Use this when you need an auditable Egypt working-day count. Call this tool directly and return its calculatio Read count_es_working_days Use this when you need an auditable Spain working-day count. Call this tool directly and return its calculatio Read count_fi_working_days Use this when you need an auditable Finland working-day count. Call this tool directly and return its calculat Read count_fr_working_days Use this when you need an auditable France working-day count. Call this tool directly and return its calculati Read count_gh_working_days Use this when you need an auditable Ghana working-day count. Call this tool directly and return its calculatio Read count_global_public_holiday_working_days Use this when you need a source-labelled nationwide public-holiday reference count for a supported country and Read count_global_reference_working_days Use this when you need a broad national-scope reference count and regional or employer semantics are not requi Read count_global_working_days Use this when you need a worldwide weekday-based count for a stated territory and public holidays are intentio Read count_gr_working_days Use this when you need an auditable Greece working-day count. Call this tool directly and return its calculati Read count_hk_working_days Use this when you need an auditable 中国香港特别行政区 working-day count. Call this tool directly and return its calcul Read count_hr_working_days Use this when you need an auditable Croatia working-day count. Call this tool directly and return its calculat Read count_hu_working_days Use this when you need an auditable Hungary working-day count. Call this tool directly and return its calculat Read count_id_working_days Use this when you need an auditable Indonesia working-day count. Call this tool directly and return its calcul Read count_india_central_working_days Use this when you need an auditable 2026 central-government count and can specify the office scope. Call this Read count_ireland_working_days Use this when you need an auditable Ireland national working-day count. Call this tool directly and return its Read count_it_working_days Use this when you need an auditable Italy working-day count. Call this tool directly and return its calculatio Read count_japan_national_working_days Use this when you need an auditable Japan statutory national-holiday working-day count. Call this tool directl Read count_ke_working_days Use this when you need an auditable Kenya working-day count. Call this tool directly and return its calculatio Read count_kr_working_days Use this when you need an auditable South Korea working-day count. Call this tool directly and return its calc Read count_kz_working_days Use this when you need an auditable Kazakhstan working-day count. Call this tool directly and return its calcu Read count_lk_working_days Use this when you need an auditable Sri Lanka working-day count. Call this tool directly and return its calcul Read count_lt_working_days Use this when you need an auditable Lithuania working-day count. Call this tool directly and return its calcul Read count_lu_working_days Use this when you need an auditable Luxembourg working-day count. Call this tool directly and return its calcu Read count_lv_working_days Use this when you need an auditable Latvia working-day count. Call this tool directly and return its calculati Read count_mt_working_days Use this when you need an auditable Malta working-day count. Call this tool directly and return its calculatio Read count_mx_working_days Use this when you need an auditable Mexico working-day count. Call this tool directly and return its calculati Read count_my_working_days Use this when you need an auditable division-specific count. Call this tool directly and return its calculatio Read count_new_zealand_working_days Use this when you need an auditable New Zealand national working-day count. Call this tool directly and return Read count_ng_working_days Use this when you need an auditable Nigeria working-day count. Call this tool directly and return its calculat Read count_nl_working_days Use this when you need an auditable Netherlands working-day count. Call this tool directly and return its calc Read count_no_working_days Use this when you need an auditable Norway working-day count. Call this tool directly and return its calculati Read count_pe_working_days Use this when you need an auditable Peru working-day count. Call this tool directly and return its calculation Read count_ph_working_days Use this when you need an auditable Philippines working-day count. Call this tool directly and return its calc Read count_pk_working_days Use this when you need an auditable Pakistan working-day count. Call this tool directly and return its calcula Read count_pl_working_days Use this when you need an auditable Poland working-day count. Call this tool directly and return its calculati Read count_pt_working_days Use this when you need an auditable Portugal working-day count. Call this tool directly and return its calcula Read count_ro_working_days Use this when you need an auditable Romania working-day count. Call this tool directly and return its calculat Read count_ru_working_days Use this when you need an auditable Russia working-day count. Call this tool directly and return its calculati Read count_sa_working_days Use this when you need an auditable Saudi Arabia working-day count. Call this tool directly and return its cal Read count_se_working_days Use this when you need an auditable Sweden working-day count. Call this tool directly and return its calculati Read count_si_working_days Use this when you need an auditable Slovenia working-day count. Call this tool directly and return its calcula Read count_singapore_working_days Use this when you need an auditable Singapore working-day count for a pinned year. Call this tool directly and Read count_sk_working_days Use this when you need an auditable Slovakia working-day count. Call this tool directly and return its calcula Read count_south_africa_working_days Use this when you need an auditable South Africa national working-day count. Call this tool directly and retur Read count_th_working_days Use this when you need an auditable Thailand working-day count. Call this tool directly and return its calcula Read count_turkey_working_days Use this when you need an auditable Türkiye statutory working-day count. Call this tool directly and return it Read count_tw_working_days Use this when you need an auditable 中国台湾省 working-day count. Call this tool directly and return its calculatio Read count_uae_federal_working_days Use this when you need an auditable UAE federal-government workday count for 2026. Call this tool directly and Read 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 Read count_us_federal_working_days Use this when you need an auditable federal-employee/office working-day count for a pinned year. Call this too Read count_uzbekistan_working_days Use this when you need an auditable nationwide count with explicit workweek semantics. Call this tool directly Read count_vn_working_days Use this when you need an auditable Vietnam working-day count. Call this tool directly and return its calculat Read estimate_ev_charging_time Use this when you want to know how long an EV needs on a home wallbox, a public AC post or a DC fast charger t Read find_chinese_zodiac Use this when you need someone's Chinese zodiac sign and element from a Gregorian birth date, especially for J Read get_calculator_schema Use this only after search_calculators when its input_hints do not resolve a range, enum or optional-field que Read list_calculator_categories List the calculator categories with id, name, description and calculator count. Use it to orient before list_c Read list_calculators List all calculators, optionally filtered by category id (finance, health, fitness, math, geometry, statistics Read 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 Read list_time_zone_transitions Use this when you need the next or historical daylight-saving/offset changes for scheduling, payroll, travel, Read list_units List every unit symbol supported by convert_units, grouped by quantity, with names. Use it when a unit symbol Read list_working_day_calendars Use this before a working-day or business-day task to select the correct evidence package. It distinguishes th Read lookup_iching_hexagram Use this when you need to identify or describe a hexagram, convert between its number, name, trigram pair and Read price_black_scholes_option Use this when you need a theoretical European option price or its sensitivities from a given volatility, or wa Read search_calculators Use this when a user needs a deterministic calculation but none of the dedicated tools clearly matches and the Read solve_ohms_law Use this when you know two of voltage, current and resistance in a DC or purely resistive circuit and need the Read solve_quadratic_equation Use this when you need the solutions of a second-degree polynomial equation, or the vertex and discriminant of

EXPLORE

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Other MCP servers with similar tools — same risk classification, starter policies for each.

FAQ

Questions about Calcgrid

How do I prevent bulk modifications through Calcgrid? +

The Calcgrid server has 81 write tools including add_ar_working_days, add_at_working_days, add_australia_working_days. Set a rate limit in your policy -- for example, 10 calls per hour prevents an agent from making more than 10 modifications per hour. PolicyLayer enforces this at the gateway, before calls reach Calcgrid.

How many tools does the Calcgrid MCP server expose? +

253 tools across 3 categories: Execute, Read, Write. 170 are read-only. 83 can modify, create, or delete data.

How do I enforce a policy on Calcgrid? +

Register the Calcgrid MCP server in PolicyLayer, apply the suggested rules above (adjust the limits to your use case), and point your AI client at the PolicyLayer proxy URL instead of the server directly. Your agents keep the same tools; PolicyLayer evaluates every call against policy before it executes. Nothing to install, live in minutes.

Enforce policy on every Calcgrid tool call.

Deterministic rules across all 253 Calcgrid tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

ENFORCE POLICY ON CALCGRID →

Instant setup, no code required.

253 Calcgrid tools catalogued and risk-classified — across an index of 46,500+ MCP servers.

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