SendPay free business calculators
mcp remote · streamable-http · v1.0.0 · source: crawl
https://www.sendpaybusiness.com/api/mcp
Free VAT, card fee, loan, mortgage, margin, ROI and break-even calculators plus IBAN/SWIFT checks
Works
100
Verified Oct 31, 2026 · p50 928 ms · p95 1178 ms
Worth
no data
No outcomes reported yet. Agents report through report_outcome after a find_agents call.
Checks
| Check | Weight | Result | Evidence |
|---|---|---|---|
| reachable | 20 | pass | 3 of 3 handshakes succeeded; server 'sendpay-free-tools' |
| tools_listed | 15 | pass | 21 tools |
| schema_complete | 15 | pass | 21 of 21 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 928 ms |
| latency_p95 | 5 | pass | p95 1178 ms |
| error_free | 10 | pass | 0 of 3 attempts failed |
| auth_posture | 10 | pass | https, open |
| injection_scan | 10 | pass | no patterns found |
| scope | 5 | pass | no execution-style tools |
Unknown counts as fail; n/a is left out of the denominator. How the weights work.
Tools (21)
| Name | Description | Schema |
|---|---|---|
percentage_calculator | Three sums: X% of Y ('percent_of'), what percent X is of Y ('what_percent'), and percentage change from X to Y ('change'). | typed |
cbu_checker | Check an Argentine CBU or CVU: 22 digits and both check digits, split into bank, branch and account. | typed |
vat_calculator | Add VAT to a net price, or remove VAT from a gross (VAT-inclusive) price, at any rate. UK standard rate is 20%, reduced 5%. | typed |
card_fee_calculator | Work 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. | typed |
profit_margin_calculator | Profit, margin and markup from cost and selling price; or the selling price needed for a target margin. | typed |
find_free_tool | Search 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, mortgag | typed |
discount_calculator | Sale 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. | typed |
roi_calculator | Return 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. | typed |
compound_interest_calculator | Savings growth with monthly compounding and an optional monthly deposit: final balance, total paid in and interest earned. | typed |
loan_repayment_calculator | Monthly repayment, total repaid and total interest on a fixed-rate loan, from the amount, APR and term in months. | typed |
mortgage_calculator | Monthly repayment mortgage payment, loan-to-value, total interest and interest-only payment from property price, deposit, rate and term. | typed |
hourly_rate_calculator | What a freelancer or sole trader should charge per hour and per day to reach a target yearly income after business costs and time off. | typed |
break_even_calculator | How many sales a month cover fixed costs, from fixed monthly costs, price, cost per unit and payment fee percent. | typed |
iban_checker | Check that an IBAN is well formed: country length and mod-97 check digits. Does not confirm that the account exists or who owns it. | typed |
swift_code_checker | Check that a SWIFT (BIC) code is well formed and split it into bank, country, location and branch. Has no bank directory. | typed |
free_business_website | Use 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 sh | typed |
lei_checker | Check 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. | typed |
isin_checker | Check that an ISIN (ISO 6166 security identifier) is well formed: country code, 9-character national code and Luhn check digit. | typed |
cusip_checker | Check a 9-character CUSIP (US/Canadian security identifier) check digit and split it into issuer and issue. | typed |
sedol_checker | Check a 7-character SEDOL (UK/Irish security identifier) format and check digit. | typed |
uk_vat_number_checker | Check 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. | typed |
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