SendPay free business calculators

MCP server · hosted · v1.0.0 · com.sendpaybusiness.app/free-business-tools

Online · tested 2h agoNEW · 3h agoSeen in the registry 2h ago

Free VAT, card fee, loan, mortgage, margin, ROI and break-even calculators plus IBAN/SWIFT checks

What it does

SendPay free business calculators is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.

No capability identified yet from its description.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.

At a glance

Hosted (remote)YES

Local installNO

Live checkOnline · 21 tools

Version1.0.0

PriceNot in the registry

First seen27 Oct 2026

Last checked2h ago

How to connect

As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 2h ago (live check)

Hosted endpoint

https://www.sendpaybusiness.com/api/mcp streamable-http

In Claude Code: claude mcp add --transport http sendpay-free-business-calculators https://www.sendpaybusiness.com/api/mcp

MCP settings (Claude Desktop, Cursor and other MCP clients)

{
  "mcpServers": {
    "sendpay-free-business-calculators": {
      "url": "https://www.sendpaybusiness.com/api/mcp"
    }
  }
}

Live check

Electra Index connected to the hosted endpoint 2h ago

ONLINE SendPay free business calculators answered an MCP connection on 27 Oct 2026 and introduced itself as sendpay-free-tools 1.0.0 (MCP protocol 2025-06-18).

21 tools offered to AI assistants

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, mortgage, IBAN, SWIFT, forex, bitcoin and more)
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%.
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.
profit_margin_calculator · Profit, margin and markup from cost and selling price; or the selling price needed for a target margin.
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').
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.
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.
compound_interest_calculator · Savings growth with monthly compounding and an optional monthly deposit: final balance, total paid in and interest earned.
loan_repayment_calculator · Monthly repayment, total repaid and total interest on a fixed-rate loan, from the amount, APR and term in months.
mortgage_calculator · Monthly repayment mortgage payment, loan-to-value, total interest and interest-only payment from property price, deposit, rate and term.
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.
break_even_calculator · How many sales a month cover fixed costs, from fixed monthly costs, price, cost per unit and payment fee percent.

Show 9 more

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.
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.
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 shop cart and card payments later. Returns
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.
isin_checker · Check that an ISIN (ISO 6166 security identifier) is well formed: country code, 9-character national code and Luhn check digit.
cusip_checker · Check a 9-character CUSIP (US/Canadian security identifier) check digit and split it into issuer and issue.
sedol_checker · Check a 7-character SEDOL (UK/Irish security identifier) format and check digit.
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.
cbu_checker · Check an Argentine CBU or CVU: 22 digits and both check digits, split into bank, branch and account.

What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method

Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.

Facts & evidence

Each fact shows where it was seen and when.

Fact	Value	Evidence	Source	Last confirmed
Hosted endpoint	https://www.sendpaybusiness.com/api/mcp	DECLARED	SRC-001 Official MCP Registry	2h ago
Local install (package)	no	DECLARED	SRC-001 Official MCP Registry	2h ago
Remote access (hosted)	yes	DECLARED	SRC-001 Official MCP Registry	2h ago
Website	https://www.sendpaybusiness.com/tools	DECLARED	SRC-001 Official MCP Registry	2h ago
Registry status	active	DECLARED	SRC-001 Official MCP Registry	2h ago
Version	1.0.0	DECLARED	SRC-001 Official MCP Registry	2h ago
MCP server	yes	DECLARED	SRC-001 Official MCP Registry	2h ago

Change history

NEW27 Oct 2026
first seen in the index

Is this page accurate?

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Is SendPay free business calculators still online?

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Questions about SendPay free business calculators

How do I connect SendPay free business calculators?

Use the hosted endpoint https://www.sendpaybusiness.com/api/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.

What tools does SendPay free business calculators offer?

When Electra Index connected on 27 Oct 2026, it listed 21 tools: find_free_tool, vat_calculator, card_fee_calculator, profit_margin_calculator, percentage_calculator, discount_calculator, roi_calculator, compound_interest_calculator and more. The full list is in "Live check" above.

Is SendPay free business calculators online?

Yes. Its hosted endpoint answered an MCP connection from Electra Index 2h ago.