Integration
Connect Affinity to Modern Treasury
When New List fires in Affinity, your agent runs Add invoice in Modern Treasury. Describe the whole flow and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want Affinity and Modern Treasury to do together?
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Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any 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 Affinity can start in Modern Treasury
When New List in Affinity
then Add invoice in Modern Treasury
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 Affinity and Modern Treasury
Triggers and actions 6 triggers · 28 actions
- Field Value Changes
Triggers when a field value is added, updated or removed in Affinity.
- New List
Triggers when a new list is created in Affinity.
- New List Entry
Triggers when a new entry is added to an Affinity list.
- New Opportunity
Triggers when a new opportunity is added in Affinity.
- New Organization
Triggers when a new organization is added in Affinity.
- New Person
Triggers when a new person is added in Affinity.
- Add field value
Sets the value of a field on a list entry (a row on an Affinity list), such as a status dropdown, number, date, text, person or company field.
- Add reminder
Creates a one-time or recurring reminder in Affinity for a person, company or opportunity, assigned to an internal user.
- Delete opportunity
Deletes an opportunity in Affinity.
- Delete person
Deletes a person from Affinity. Internal people in your organization cannot be deleted.
- Find a List Entry
Finds an entry on an Affinity list by the name, email or domain of its person, organization or opportunity.
- Find an Organization
Finds Affinity organizations by name or domain and returns the best match.
- Find a Person
Finds Affinity persons by name or email address and returns the best match.
- Find opportunities
Finds opportunities whose name contains the text you give, returning the first match and all matches.
- Get an Opportunity
Returns one Affinity opportunity by ID, with its name and the list it belongs to.
- Get an Organization
Returns one Affinity organization (company) by ID, with its name and domains.
- Get a Person
Returns one Affinity person by ID, with their name and email addresses.
- List lists
Returns the lists in your Affinity workspace that you can view, optionally filtered by name.
- Update field value
Sets the value of a single field on a list entry (row) in an Affinity list, replacing its current value.
- Update opportunity
Renames an existing opportunity in Affinity.
- Add counterparty
Creates a counterparty — a person or business you send payments to or receive payments from — optionally with its bank accounts and legal entity.
- Add expected payment
Creates an expected payment in Modern Treasury so an incoming or outgoing payment can be reconciled automatically when it arrives.
- Add external account
Creates an external bank account for a counterparty in Modern Treasury, with its account numbers, routing details and owner information.
- Add invoice
Creates an invoice for a counterparty, payable to one of your internal accounts.
- Add ledger transaction
Creates a ledger transaction made of balanced debit and credit entries against your ledger accounts.
- Add payment order
Creates a payment order that moves money between one of your internal accounts and a counterparty's or another internal account.
- Delete counterparty
Deletes a counterparty from your Modern Treasury organization.
- Get counterparty
Returns a single counterparty, including its accounts, contact details and metadata.
- Get invoice
Returns a single invoice by its ID, including its amounts, status, counterparty and line-item details.
- Get ledger transaction
Returns one ledger transaction, including its ledger entries, status and metadata.
- Get payment order
Returns the details of a single payment order, including its amount, status, direction and accounts.
- List internal accounts
Returns the organization's internal (bank) accounts, optionally filtered by counterparty, legal entity, currency, status or payment capability.
- Update counterparty
Updates an existing counterparty's name, email, external ID, legal entity, metadata, remittance-advice setting or taxpayer identifier. Returns the updated counterparty.
- Update payment order
Updates an existing payment order, for example changing its amount, description, metadata or status (such as cancelling or approving it). Returns the updated payment order.
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
Affinity and Modern Treasury, answered
What can start an automation from Affinity?
Any of Affinity's 6 triggers in the catalog, including New List, New List Entry, New Opportunity and New Organization. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Modern Treasury when something happens in Affinity?
Any of Modern Treasury's 14 actions, including Update counterparty, Update payment order, Add counterparty and Add expected payment. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Modern Treasury to Affinity?
Modern Treasury has no triggers in the catalog today, so automations start in Affinity. If you need the other direction, ask: your agent reads Modern Treasury's API documentation and adds it.
Do I have to build a connector for Affinity or Modern Treasury?
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.
Can my AI client use Affinity and Modern Treasury without building an automation?
Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.
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.