SolidInvoice
Create and send invoices and quotes, manage clients, and track payments in SolidInvoice.
Read-only European tax, salary and benefit calculators with official sources and unknowns.
Pick the AI app you use, then copy the settings.
Passed 2/3 checks · What you ask goes through the maker’s server (kalkulo.eu) · ✓ Commands checked Nov 13, 2026
First: which AI do you use?
Pick your app and the steps appear below.
Works with Claude · about 2 min
No key, nothing to install · Set it up once on claude.ai or the desktop app, then use it in chat · free accounts can add 1 · on Team/Enterprise an Owner adds it
CustomizeConnectors
Copy each value into the field with the same name in Claude, then click Continue
Kalkulo.eu calculatorshttps://kalkulo.eu/mcpClick Continue past the sign-in settings Claude detected · under Authentication choose what the maker says (Sign in now, Sign in when needed or No sign in), then click Add
+ConnectorsKalkulo.eu calculators
Use Kalkulo.eu calculators and tell me what you can do for me, then show me one thing✓ If Claude says it is using Kalkulo.eu calculators or shows a Kalkulo.eu calculators tool in the answer, you are connected
Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Works with ChatGPT, depending on your plan
Full MCP: ChatGPT Business, Enterprise or Edu on the web · Pro: connects with read/fetch permissions, so tools that change data may not work · Plus: not confirmed in OpenAI’s docs; if you see an add-custom-MCP option on the Plugins page you can try these steps · web only
Plugins+Add custom MCP server
Enter a name, paste the address under Connection, tick the risk warning and click Create as a plugin
Kalkulo.eu calculatorshttps://kalkulo.eu/mcpStart a new chat and pick Kalkulo.eu calculators from your plugins before typing
Use Kalkulo.eu calculators and tell me what you can do for me, then show me one thing✓ If ChatGPT says it is using Kalkulo.eu calculators or shows a Kalkulo.eu calculators tool in the answer, you are connected
Menu names checked against OpenAI’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Works with Claude Code · about 2 min
No key, nothing to install
Mac: press Command+Space and type Terminal · Windows: open PowerShell
claude mcp add --transport http --scope user calculators https://kalkulo.eu/mcpYou should see Kalkulo.eu calculators listed as connected
Use Kalkulo.eu calculators and tell me what you can do for me, then show me one thing✓ If Claude Code says it is using Kalkulo.eu calculators or shows a Kalkulo.eu calculators tool in the answer, you are connected
Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Works with Cursor · about 2 min
No key, nothing to install
Use Kalkulo.eu calculators and tell me what you can do for me, then show me one thing✓ If Cursor says it is using Kalkulo.eu calculators or shows a Kalkulo.eu calculators tool in the answer, you are connected
Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Works with VS Code · about 2 min
No key, nothing to install
Use Kalkulo.eu calculators and tell me what you can do for me, then show me one thing✓ If VS Code says it is using Kalkulo.eu calculators or shows a Kalkulo.eu calculators tool in the answer, you are connected
Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Other apps that use MCP, such as Windsurf, Zed or Gemini CLI, each add servers differently. See how in the app list.
Address for apps that connect over the web
https://kalkulo.eu/mcpJSON settings are under “For developers” below
Claude Code
claude mcp add --transport http --scope user calculators https://kalkulo.eu/mcpCursor (~/.cursor/mcp.json)
{
"mcpServers": {
"calculators": {
"url": "https://kalkulo.eu/mcp"
}
}
}VS Code (mcp.json)
{
"servers": {
"calculators": {
"type": "http",
"url": "https://kalkulo.eu/mcp"
}
}
}These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.
Connect over the internet in
ClaudeChatGPTGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatOpen WebUIRaycast
Tool names and descriptions exactly as the server reported them on Nov 13, 2026. The maker wrote them, not us; we show them as plain text.
list_calculatorsLists the Kalkulo.eu calculators available as tools here, with country, rules year, last update, page URL and the tool name to call.
greece_unemployment_benefitRegular 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 (c
estonia_redundancy_compensationStatutory 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
slovakia_rental_income_taxSlovak 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 ve
greece_annual_leaveStatutory 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 20
serbia_vatSerbian 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 langu
luxembourg_unemployment_benefitLuxembourg 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 update
slovakia_severance_paySlovak 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,
czechia_company_car_benefitCzech 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
latvia_vacation_payLatvian 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/atvalin
malta_vacation_leaveStatutory 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: h
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 15, 2026
The registry lists no source repo, so we cannot match the publisher (kalkulo.eu) to the code
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
No sign-in needed
Read 11 tool descriptions and found no hidden instructions to the AI
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Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
The registry does not list a required key, though some servers ask you to sign in on first use.
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (1.0.0) reached the registry 41 days ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT on the web (full MCP on Business and above; Pro read-only).
In the same category: SolidInvoice, Signal8, Journalit, Tapetide - Indian Stock Market MCP, Twelve Data
Same category, other makers, commands already checked. Official ones first, then by stars.
Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
Create and send invoices and quotes, manage clients, and track payments in SolidInvoice.
Trading journal in Obsidian. Ask Claude or ChatGPT about your trades; edits are previewed first.
48 tools for ~8,000 NSE & BSE stocks: quotes, screener, financials, filings, FII/DII, options
Real-time and historical market data: stocks, forex, crypto, ETFs, fundamentals and 60+ indicators.
No README found in the repo