Tip and Split Calculator MCP for AI. Stop doing restaurant math by hand.
Works with every AI agent you already use
…and any MCP-compatible client








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Tip and Split Calculator handles all restaurant payment math. Need to figure out the tip percentage, split a huge bill among your group, or just round that weird final total? This MCP does it for you.
It quickly calculates tips, divides bills fairly by person, and formats totals into clean amounts (like nickels or dimes) so you can actually pay up.
What your AI can do
Calculate tip details
Determines the total tip amount and the grand total based on a subtotal and percentage.
Format practical payment
Rounds any given monetary value to clean increments like nickels, dimes, or full dollars.
Split bill share
Calculates the exact individual share of a group bill.
Determine the correct tip amount and grand total based on a starting subtotal and desired percentage.
Get an accurate, individual share of a bill when splitting costs among multiple people.
Adjust any calculated number to the nearest nickel, dime, or dollar for easy settlement.
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Tip and Split Calculator: 3 Tools Available
Use these three tools to accurately calculate tips, divide expenses among people, or round final payment amounts.
Make your AI actually useful.
Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using Tip and Split Calculator on VinkiusCalculate Tip Details
Determines the total tip amount and the grand total based on a subtotal and percentage.
Format Practical Payment
Rounds any given monetary value to clean increments like nickels, dimes, or full...
Split Bill Share
Calculates the exact individual share of a group bill.
Security and governance baked right in.
Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.
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Make Your AI Do More
Start with Tip and Split Calculator, then connect any of our 5,100+ other servers whenever your AI needs more. One click, no limits.
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- Works with Claude, ChatGPT, Cursor, and more
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Works with Claude, ChatGPT, Cursor, and more
The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.
This connection provides 3 powerful capabilities that interface natively with Claude, ChatGPT, Cursor, and other compatible AI platforms. No middleware. No custom integration required.
The hassle of paying the group tab
It's always the same cycle: one person gathers the receipt, opens three different tabs—one for tips, one for dividing by the headcount, and one just to round the final number. You end up copying numbers back and forth between apps until you've got a headache.
With this MCP, your agent handles the entire sequence automatically. Give it the subtotal, tell it the tip percent, give it the group size, and get three clean answers: the total tip, the final bill, and every single person’s share, all without leaving your current workspace.
Finalizing payment with `format_practical_payment`
Manual settlement requires you to look at a number like $14.37 and mentally adjust it for the nearest nickel or dime, often leading to confusion about whether you should round up or down.
This MCP removes that guesswork. It takes any amount—no matter how messy—and outputs a clean, actionable payment figure. What used to be an arithmetic guess is now a simple function call.
What your AI can actually do with this
Paying the restaurant tab is always a pain. You've got the subtotal, then you gotta decide on a tip percentage. Next, if there are five people, everyone needs to know their exact split. Finally, sometimes the total comes out to something messy—like $14.37—and you need it rounded for cash or card payment.
This MCP takes care of all that math. It lets your agent calculate exactly what the final bill should be after tipping. You can also send a full amount and get back each person's individual share instantly. If the number isn't clean, use this tool to round totals into practical increments like dimes or dollars.
With Vinkius managing these services, you connect once and your agent handles all payment calculations without leaving your workflow.
019ed92a-eb12-706a-b887-a72a66b7a7ed Here's how it actually works
The bottom line is, it takes messy numbers—like tips, shared costs, or awkward totals—and spits out clean, actionable figures you can use immediately.
Provide the starting subtotal and the tip percentage you want to include.
Specify the total amount that needs splitting and how many people are involved in the group.
Give your agent an arbitrary final number that needs rounding up or down.
Who is this actually for?
Anyone responsible for closing out a group tab at a restaurant. This is for people who get annoyed by the math when they're already tired from a long night of eating. It saves you from manual, error-prone arithmetic.
Calculating costs for group dinners and ensuring all attendees pay their fair share.
Handling expense reports or reconciling large team meal bills across multiple people.
Making sure the final payment is accurate and everyone knows their exact, rounded contribution.
What Changes When You Connect
Eliminate tip calculation errors. Use calculate_tip_details to instantly know the final bill total, including accurate gratuity, so you never overpay or underpay.
Fairly divide group costs. The split_bill_share tool calculates individual contributions even when bills are complex, ensuring everyone pays their true share.
Handle awkward totals easily. If a number isn't clean, format_practical_payment rounds it to the nearest nickel or dime, making physical payment simple.
Speed up expense reports. Instead of opening three different calculators, your agent handles tip calculation, splitting, and formatting in one go.
Confidence when paying. You get precise numbers for tips and splits every time, giving you peace of mind at the point of sale.
See it in action
The group lunch bill is a mess.
Four colleagues ate dinner for $360. They need to split it equally and add an 18% tip. Asking their agent, the user inputs the total and the percentage first using calculate_tip_details. Then, they feed that result into split_bill_share to get four clean shares of $105 each.
The receipt ends in 7 cents.
A bill comes out to $23.47, but the payment terminal only accepts rounding to nickels or dimes. The user passes this number into format_practical_payment and gets back a clean $23.50, which they can then use for final settlement.
Reconciling multiple shares.
A client needs to split a complex bill involving separate items and tips across three people. The agent first calculates the total tip with calculate_tip_details, then uses split_bill_share on that grand total, ensuring all three receive their precise share.
The honest tradeoffs
Using standard calculators for groups
Manually dividing a $120 bill by 4 people and then calculating an 18% tip on the result. This requires multiple steps and is prone to calculation drift.
Use calculate_tip_details first, feeding it the original subtotal and percentage. Then, take that calculated grand total and pass it directly into split_bill_share. This keeps all math within your agent.
Ignoring rounding needs
Getting an exact share of $30.125 from the bill splitter but having to manually round up to a nickel for payment.
Always run the final amount through format_practical_payment. This tool adjusts any decimal number into a practical currency unit, simplifying your actual exchange.
Over-relying on single tools
Only using split_bill_share without first calculating the tip. The resulting share will be inaccurate because the tip amount was never factored in.
The proper order is always: 1) Tip calculation via calculate_tip_details. 2) Splitting the resulting grand total using split_bill_share.
When It Fits, When It Doesn't
Use this MCP if your core problem involves dividing or finalizing monetary amounts related to shared expenses. You need it when you must calculate a tip, split costs among people, or round an awkward final number for payment. Don't use this if you are simply doing basic addition or subtraction; those tools handle that fine. Also, don't use this if your problem is tracking who owes what over weeks—you need a ledger tool for that. This MCP focuses purely on the math of a single transaction.
Questions you might have
How does calculate_tip_details work for group bills? +
It first determines the total tip amount based on your subtotal and percentage. After that, you take this calculated grand total and pass it into split_bill_share to get individual shares.
Can I use format_practical_payment on a raw split share? +
Yes. If the result from split_bill_share is $30.125, you can pass that specific number to format_practical_payment to clean it up for payment.
What's the right order of operations? +
The best practice is: Tip first (calculate_tip_details), then split the resulting total (split_bill_share). Finally, format the individual shares with format_practical_payment.
Does this MCP help calculate tips for large bills? +
Absolutely. You simply provide the full subtotal and the percentage you want to use in the calculate_tip_details tool, and it gives you the final amount.
If I use `split_bill_share`, what happens if the number of people dividing the bill is zero or negative? +
The tool returns an error. You must specify at least one person for division, so attempting to run it with a count of zero will trigger an immediate error code from your agent.
When using `calculate_tip_details`, can I calculate a tip if the initial subtotal is $0.00? +
Yes, you can run it on a zero subtotal. The tool will correctly report both the calculated tip amount and the final total as $0.00.
Does `format_practical_payment` handle rounding for amounts smaller than five cents? +
No, it doesn't. This MCP rounds to nickels, dimes, or full dollars. It won't calculate fractions of a cent; the smallest increment it uses is $0.05.
Is the tip percentage used by `calculate_tip_details` restricted to common rates like 18% or 20%? +
No, you specify your exact rate. The tool calculates the final total and tip amount using any precise percentage figure you provide.
How do I calculate the tip? +
Use the calculate_tip_details tool by providing your subtotal and the desired tip percentage.
Can I split a bill with many people? +
Yes, use split_bill_share and specify the total amount and the number of participants.
What rounding levels are available? +
You can round to cents, nickels, dimes, quarters, or dollars using format_practical_payment.
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