Build solutions, not workarounds.
What do you want YNAB and Shift4 to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiAny client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What YNAB can start in Shift4
When Goal Completed in YNAB
then Add card in Shift4
When New Account in YNAB
then Add charge in Shift4
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with YNAB and Shift4
Triggers and actions 14 triggers · 25 actions
Trigger
Category OverspentTriggers when a category is overspent and has a negative balance.
Trigger
Goal CompletedTriggers when a goal is completed.
Trigger
Low Account BalanceTriggers when a Checking or Savings account balance drops below a certain amount during a month.
Trigger
Low Category BalanceTriggers when a category balance drops below a certain amount.
Trigger
New AccountTriggers when a new account is created.
Trigger
New CategoryTriggers when a new category is created.
Trigger
New or Updated AccountTriggers when a new account is created or an existing account is updated.
Trigger
New or Updated CategoryTriggers when a new category is created or an existing category is updated.
Trigger
New or Updated Scheduled TransactionTriggers when a scheduled transaction is created or updated.
Trigger
New or Updated TransactionTriggers when a transaction is created or updated.
Trigger
New PayeeTriggers when a new payee is created.
Trigger
New TransactionTriggers when a new transaction is created.
Trigger
Spending in AccountTriggers when a new outflow transaction is created in an account.
Trigger
Spending in CategoryTriggers when a new outflow transaction is assigned to a category.
Action
Budget to a CategoryBudgets to a category in the current month.
Action
Create TransactionCreates a new transaction.
Action
Get Current Budget MonthReturns the current month of the last-used budget, including Age of Money, income, budgeted, activity, and to-be-budgeted amounts.
Action
Get Current Month SummaryReturns the current budget month's summary, including age of money, income, budgeted, activity, and to-be-budgeted amounts.
Action
Add cardSaves a credit or debit card to an existing Shift4 customer, either from a card token / successful charge, or from full card details.
Action
Add chargeCreates a new charge to a customer or card.
Action
Add customerCreates a new customer in Shift4, optionally saving a card to them as their default card.
Action
Add planCreates a new subscription plan that customers can be subscribed to.
Action
Add refundRefunds an existing charge in full or in part, returning the funds to the card that was charged.
Action
Add subscriptionCreates a subscription that bills a customer automatically according to a plan.
Action
Delete cardDeletes a saved card from a Shift4 customer. If the deleted card was the customer's default, the most recently added card becomes the new default.
Action
Delete customerDeletes an existing Shift4 customer.
Action
Delete planDeletes a plan by ID.
Action
Delete subscriptionCancels/deletes an existing subscription by ID.
Action
Get chargeFetches a charge by ID.
Action
Get customerFetches a customer by ID.
Action
Get disputeFetches a dispute by ID.
Action
Get planFetches a plan by ID.
Action
Get refundRetrieves an existing Shift4 refund by its id.
Action
Get subscriptionFetches a subscription by ID.
Action
List cardsLists the saved cards of a Shift4 customer, most recently created first.
Action
List refundsReturns all refunds.
Action
Update chargeUpdates an existing Shift4 charge's customer, description, shipping, billing, fraud status or metadata. Fields left blank are unchanged.
Action
Update customerUpdates an existing Shift4 customer. Any field left blank is left unchanged.
Action
Update subscriptionUpdates an existing subscription. Any field left blank is left unchanged.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
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Questions
YNAB and Shift4, answered
What can start an automation from YNAB?
Any of YNAB's 14 triggers in the catalog, including Goal Completed, New Account, New Category and New or Updated Account. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Shift4 when something happens in YNAB?
Any of Shift4's 21 actions, including Update charge, Update customer, Update subscription and Add card. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Shift4 to YNAB?
Shift4 has no triggers in the catalog today, so automations start in YNAB. If you need the other direction, ask: your agent reads Shift4's API documentation and adds it.
Do I have to build a connector for YNAB or Shift4?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.