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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "calculators": {
      "type": "http",
      "url": "https://kalkulo.eu/mcp"
    }
  }
}

claude mcp add --transport http calculators https://kalkulo.eu/mcp

[mcp_servers.calculators]
url = "https://kalkulo.eu/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "calculators": {
      "type": "remote",
      "url": "https://kalkulo.eu/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "calculators": {
      "type": "http",
      "url": "https://kalkulo.eu/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=calculators&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8va2Fsa3Vsby5ldS9tY3AifQ%3D%3D"
}

{
  "servers": {
    "calculators": {
      "type": "http",
      "url": "https://kalkulo.eu/mcp"
    }
  }
}

{
  "mcpServers": {
    "calculators": {
      "httpUrl": "https://kalkulo.eu/mcp"
    }
  }
}

extensions:
  "calculators":
    enabled: true
    name: "calculators"
    type: streamable_http
    uri: "https://kalkulo.eu/mcp"
    timeout: 300

Quality 88 / 100good

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene93 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations11 of 11 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
warn
tools.token_costabout 10,669 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stability100 · weight 15

pass
stability.changesno tool changes in 30 days
pass
stability.rug_pullno tool changed its meaning under the same name

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

11 tools, about 10,669 tokens to load them all · tool set a6cfc2ada76c · checked 2026-10-19 10:20 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 82 / 100

no-repository

provenance55

liveness97

freshness100

hygiene80

+dns-namespace +website +reachable +uptime-92% +updated-14d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://kalkulo.eu/mcp` streamable-http	none	yes	92%	563 ms	2025-11-25	2026-10-19

Tools (11)

`czechia_company_car_benefit`read-only	Czech taxable benefit for private use of a company car in 2026: 1 %, 0.5 % or 0.25 % of the vehicle's input price including VAT by emission category, and the resulting monthly increase in the income-tax advance and the employee's social and health insurance. Rules year 2026, last updated 2026-09-29. Page: https://kalkulo.eu/cs/kalkulacka-firemni-auto/. Returns result rows (page language), raw engine outputs, sources with lastChecked dates and a disclaimer. Inputs marked "Only used when" are needed only in that case.
`estonia_redundancy_compensation`read-only	Statutory redundancy compensation in Estonia: the employer's one month of average wages (Employment Contracts Act § 100(1)), the Unemployment Insurance Fund (Töötukassa) benefit by length of employment, and compensation for missing notice days. Each part is shown separately; the total only when every part is known. Optional net view. Rules year 2026, last updated 2026-09-26. Page: https://kalkulo.eu/et/kalkulaator-koondamishuvitis/. Returns result rows (page language), raw engine outputs, sources with lastChecked dates and a disclaimer. Inputs marked "Only used when" are needed only in that case.
`greece_annual_leave`read-only	Statutory annual leave days in Greece for 2026 (5- or 6-day week, with seniority increments) and the gross leave allowance for monthly-salaried employees in at least their third calendar year with the employer. Uncovered cases are reported instead of given a number. Rules year 2026, last updated 2026-09-25. Page: https://kalkulo.eu/el/ypologistis-adeias/. Returns result rows (page language), raw engine outputs, sources with lastChecked dates and a disclaimer. Inputs marked "Only used when" are needed only in that case.
`greece_unemployment_benefit`read-only	Regular DYPA unemployment benefit for common unemployed people in Greece, amounts from 2026-04-01: daily and monthly amount by earnings category, dependant supplement, duration in daily allowances, start date, application deadline and Easter/Christmas bonuses. Other categories (construction, seasonal, seafarers, continuation) are reported as outside scope. Rules year 2026, last updated 2026-09-25. Page: https://kalkulo.eu/el/ypologistis-anergias/. Returns result rows (page language), raw engine outputs, sources with lastChecked dates and a disclaimer. Inputs marked "Only used when" are needed only in that case.
`latvia_vacation_pay`read-only	Latvian vacation pay for 2026, gross and net: average daily earnings times vacation days, less employee social insurance (VSAOI 10.5 %) and personal income tax with the €550 monthly non-taxable minimum. Rules year 2026, last updated 2026-09-29. Page: https://kalkulo.eu/lv/atvalinajuma-nauda/. Returns result rows (page language), raw engine outputs, sources with lastChecked dates and a disclaimer. Inputs marked "Only used when" are needed only in that case.
`list_calculators`read-only	Lists the Kalkulo.eu calculators available as tools here, with country, rules year, last update, page URL and the tool name to call.
`luxembourg_unemployment_benefit`read-only	Luxembourg full unemployment benefit (ADEM) with 2026 parameters: 80 % of the average gross salary of the last three months (85 % with a dependent child), capped by multiples of the unskilled social minimum wage that step down over the benefit period. Rules year 2026, last updated 2026-09-05. Page: https://kalkulo.eu/lu/calcul-chomage/. Returns result rows (page language), raw engine outputs, sources with lastChecked dates and a disclaimer. Inputs marked "Only used when" are needed only in that case.
`malta_vacation_leave`read-only	Statutory vacation leave in Malta for 2026 in hours: the 192-hour base plus 24 hours for the three 2026 public holidays that fall on a weekend, pro-rated for part-time hours and a partial year of service, less leave already taken. Rules year 2026, last updated 2026-09-29. Page: https://kalkulo.eu/mt/vacation-leave-calculator/. Returns result rows (page language), raw engine outputs, sources with lastChecked dates and a disclaimer. Inputs marked "Only used when" are needed only in that case.
`serbia_vat`read-only	Serbian VAT in both directions: add VAT to a net amount or extract VAT from a gross amount, at the 20 % general or 10 % special rate (Article 23 of the VAT Law). Rules year 2026, last updated 2026-09-29. Page: https://kalkulo.eu/sr/kalkulator-pdv/. Returns result rows (page language), raw engine outputs, sources with lastChecked dates and a disclaimer. Inputs marked "Only used when" are needed only in that case.
`slovakia_rental_income_tax`read-only	Slovak personal income tax on property rental income for 2026 under § 6(3) of the Income Tax Act: the €500 exemption, proportional expenses, tax base, tax across the 19/25/30/35 % bands, and whether a tax return is required. No tax amount is given while other income or expense verification is unknown. Rules year 2026, last updated 2026-09-25. Page: https://kalkulo.eu/sk/kalkulacka-prijem-z-prenajmu/. Returns result rows (page language), raw engine outputs, sources with lastChecked dates and a disclaimer. Inputs marked "Only used when" are needed only in that case.
`slovakia_severance_pay`read-only	Slovak statutory minimum severance pay (odstupné, Labour Code § 76), wage compensation on immediate termination by the employee (§ 69), the retirement allowance (odchodné, § 76a) and the minimum notice period with dates. All amounts are gross statutory minimums. Rules year 2026, last updated 2026-09-26. Page: https://kalkulo.eu/sk/kalkulacka-odstupne/. Returns result rows (page language), raw engine outputs, sources with lastChecked dates and a disclaimer. Inputs marked "Only used when" are needed only in that case.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "eu.kalkulo/calculators",
  "icons": [
    {
      "src": "https://kalkulo.eu/icon-512.png",
      "sizes": [
        "512x512"
      ],
      "mimeType": "image/png"
    },
    {
      "src": "https://kalkulo.eu/icon-192.png",
      "sizes": [
        "192x192"
      ],
      "mimeType": "image/png"
    }
  ],
  "title": "Kalkulo.eu calculators",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://kalkulo.eu/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://kalkulo.eu/",
  "description": "Read-only European tax, salary and benefit calculators with official sources and unknowns."
}