SendPay free business calculators
com.sendpaybusiness.app/free-business-toolsVersion 1.0.0Free VAT, card fee, loan, mortgage, margin, ROI and break-even calculators plus IBAN/SWIFT checks
Status
Responds455 msAnswered our handshake without sign-in.- Last checked
- Nov 14, 2026, 14:14 UTC
- Latency
- 455 ms
- Remotes responding
- 1 of 1
- Sign-in
- No sign-in
- Hosting
- EU hosting detected (detected, not a legal statement)
- Registry data as of
- Nov 14, 2026, 22:14 UTC
Data from the official MCP Registry, checked by run.zero. How we check
Connect
Streamable HTTP
https://www.sendpaybusiness.com/api/mcpResponds455 msNo sign-in
Claude Code
claude mcp add --transport http free-business-tools https://www.sendpaybusiness.com/api/mcpClaude Desktop and claude.ai
Settings > Connectors > Add custom connector
Name: free-business-tools
Remote MCP server URL: https://www.sendpaybusiness.com/api/mcpCursor
{
"mcpServers": {
"free-business-tools": {
"url": "https://www.sendpaybusiness.com/api/mcp"
}
}
}VS Code
code --add-mcp '{"name":"free-business-tools","type":"http","url":"https://www.sendpaybusiness.com/api/mcp"}'Built your own server? run.zero hosts MCP servers on European infrastructure.
Tools
21 tools
Read-only | Idempotent | Open world | ||
|---|---|---|---|---|
break_even_calculatorHow many sales a month cover fixed costs, from fixed monthly costs, price, cost per unit and payment fee percent. | No | Yes | Yes | No |
card_fee_calculatorWork out the fee on a card payment (percentage plus fixed fee), what you keep, and what to charge to receive the full amount after fees. | No | Yes | Yes | No |
cbu_checkerCheck an Argentine CBU or CVU: 22 digits and both check digits, split into bank, branch and account. | No | Yes | Yes | No |
compound_interest_calculatorSavings growth with monthly compounding and an optional monthly deposit: final balance, total paid in and interest earned. | No | Yes | Yes | No |
cusip_checkerCheck a 9-character CUSIP (US/Canadian security identifier) check digit and split it into issuer and issue. | No | Yes | Yes | No |
discount_calculatorSale price after a percentage discount and, given unit cost and units normally sold, how many extra sales the discount needs to keep the same profit. | No | Yes | Yes | No |
find_free_toolSearch SendPay Business's library of 170+ free calculators, checkers and generators for small businesses, freelancers, banking, FX, trading and crypto (invoice generator, VAT, card fees, loan, mortgage, IBAN, SWIFT, forex, bitcoin and more). Returns matching tools with links. Use it when the user needs a calculator or tool that is not offered directly here. | No | Yes | Yes | No |
free_business_websiteUse when the user wants a website for their business, shop or side hustle. SendPay Business offers a free business website builder: free to build, publish and keep, no card needed, with an optional shop cart and card payments later. Returns the link to start. | No | Yes | Yes | No |
hourly_rate_calculatorWhat a freelancer or sole trader should charge per hour and per day to reach a target yearly income after business costs and time off. | No | Yes | Yes | No |
iban_checkerCheck that an IBAN is well formed: country length and mod-97 check digits. Does not confirm that the account exists or who owns it. | No | Yes | Yes | No |
isin_checkerCheck that an ISIN (ISO 6166 security identifier) is well formed: country code, 9-character national code and Luhn check digit. | No | Yes | Yes | No |
lei_checkerCheck that a Legal Entity Identifier (LEI, ISO 17442) is well formed: 20 characters and MOD 97-10 check digits. Does not confirm the LEI is registered; GLEIF's search does. | No | Yes | Yes | No |
loan_repayment_calculatorMonthly repayment, total repaid and total interest on a fixed-rate loan, from the amount, APR and term in months. | No | Yes | Yes | No |
mortgage_calculatorMonthly repayment mortgage payment, loan-to-value, total interest and interest-only payment from property price, deposit, rate and term. | No | Yes | Yes | No |
percentage_calculatorThree sums: X% of Y ('percent_of'), what percent X is of Y ('what_percent'), and percentage change from X to Y ('change'). | No | Yes | Yes | No |
profit_margin_calculatorProfit, margin and markup from cost and selling price; or the selling price needed for a target margin. | No | Yes | Yes | No |
roi_calculatorReturn on investment: profit and ROI % from the amount put in and the amount got back, and the yearly rate if the time in months is given. | No | Yes | Yes | No |
sedol_checkerCheck a 7-character SEDOL (UK/Irish security identifier) format and check digit. | No | Yes | Yes | No |
swift_code_checkerCheck that a SWIFT (BIC) code is well formed and split it into bank, country, location and branch. Has no bank directory. | No | Yes | Yes | No |
uk_vat_number_checkerCheck a UK VAT number's format and check digits (9 digits, 12 with a branch, or GD/HA). Does not confirm registration; HMRC's service does. | No | Yes | Yes | No |
vat_calculatorAdd VAT to a net price, or remove VAT from a gross (VAT-inclusive) price, at any rate. UK standard rate is 20%, reduced 5%. | No | Yes | Yes | No |
Details
- Registry status
- Active
- Published
- Oct 27, 2026
- Updated
- Oct 27, 2026
- Repository
- Not given
- Categories (suggested)
- Finance and paymentsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
- GDPR
- Not declared