--- title: "Connect FreeAgent and Harpoon - APIANT.ai" description: "When \"New Bank Transaction\" fires in FreeAgent, your agent runs \"Add Invoice\" in Harpoon, or \"New Client\" in Harpoon to \"Create Contact\" in FreeAgent." canonical: "https://apiant.ai/connect/freeagent-to-harpoon" --- # Connect FreeAgent and Harpoon When **New Bank Transaction** fires in [FreeAgent](https://apiant.ai/connections/freeagent), your agent runs **Add Invoice** in [Harpoon](https://apiant.ai/connections/harpoon), or **New Client** in Harpoon to **Create Contact** in FreeAgent. Describe the whole flow and it is built, tested on every scenario and kept running. FreeAgent **6** triggers FreeAgent **50** actions Harpoon **9** triggers Harpoon **46** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want FreeAgent and Harpoon to do together? Give your AI client this address. `https://mcp.apiant.ai` One 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.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### 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)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) Example flows ## What FreeAgent and Harpoon can do together ### From FreeAgent to Harpoon - When **New Bank Transaction** in FreeAgent then **Add Invoice** in Harpoon - When **New Contact** in FreeAgent then **Create Contact** in Harpoon ### From Harpoon to FreeAgent - When **New Client** in Harpoon then **Create Contact** in FreeAgent - When **New Contact** in Harpoon then **Create Invoice** in FreeAgent 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 FreeAgent and Harpoon ## Triggers and actions 15 triggers · 96 actions - Trigger **New Bank Transaction** Triggers when a new transaction appears in a FreeAgent bank account. - Trigger **New Contact** Triggers when a new contact is created. - Trigger **New Invoice** Triggers when a new invoice is created. - Trigger **New or Updated Contact** Triggers when a contact is created or changed in FreeAgent. - Trigger **New or Updated Timeslip** Triggers when a timeslip (time entry) is created or edited in FreeAgent. - Trigger **New Project** Triggers when a new project is created. - Action **Convert Estimate to Invoice** Converts an estimate into an invoice, marking the estimate as Invoiced and returning the URL of the new invoice. - Action **Create Bill** Creates a bill from a supplier contact in FreeAgent, with its line items, and returns the new bill. - Action **Create Contact** Create a new contact. - Action **Create Credit Note** Creates a draft credit note for a FreeAgent contact, with optional line items. - Action **Create Estimate** Creates a new estimate, quote or proposal in FreeAgent for a contact or project, optionally with line items. - Action **Create Expense** Creates an expense claim in FreeAgent for a user, with its category, date, amount and sales tax details. - Action **Create Invoice** Create an invoice for a contact. - Action **Create Mileage Claim** Creates a mileage claim (a mileage expense) for a user in FreeAgent and returns the new claim. - Action **Create Note** Adds a note to a FreeAgent contact or project. - Action **Create Price List Item** Creates a price list item in FreeAgent that can be added to invoices and estimates. - Action **Create Project** Create a project for a contact. - Action **Create Task** Creates a task under a FreeAgent project. - Action **Create Timeslip** Create a timeslip (time tracking entry). - Action **Delete Contact** Delete a contact by id. - Action **Delete Invoice** Deletes an invoice from FreeAgent. - Action **Delete Timeslip** Deletes a timeslip from FreeAgent. - Action **Explain Bank Transaction** Explains a bank transaction in FreeAgent by creating a bank transaction explanation (categorising it, or matching it to an invoice, bill, transfer or user payment). Returns the created explanation. - Action **Find Contact by Email** Finds FreeAgent contacts whose email or billing email matches the given address. - Action **Get Bill** Returns a single bill, including its line items, by its ID. - Action **Get Contact** Get a single contact by id. - Action **Get Credit Note** Returns a single FreeAgent credit note, including its line items, status and totals. - Action **Get Estimate** Returns a single FreeAgent estimate with its line items. - Action **Get Expense** Returns a single FreeAgent expense by its ID, including amounts, category, claimant and attachment details. - Action **Get Invoice** Get a single invoice by id. - Action **Get Note** Returns a single note attached to a FreeAgent contact or project, including its text, author and timestamps. - Action **Get Price List Item** Returns a single price list item from FreeAgent by its ID. - Action **Get Project** Returns a single FreeAgent project by its ID, including its contact, status, budget and billing details. - Action **Get Timeslip** Returns a single FreeAgent timeslip, including its hours, date, user, project and task. - Action **List Bank Accounts** Returns the bank accounts in your FreeAgent company, optionally filtered to standard, credit card or PayPal accounts. - Action **List Bank Transactions** Returns the bank transactions in a FreeAgent bank account, optionally filtered by date range, last update time, or explanation status. - Action **List Bills** List bills. - Action **List Categories** Returns all accounting categories for the company, grouped into admin expenses, cost of sales, income and general categories, optionally including sub accounts. - Action **List Contacts** List contacts in FreeAgent. - Action **List Corporation Tax Returns** Returns the company's Corporation Tax Returns, including amount due, payment and filing deadlines, and filing/payment status. - Action **List Estimates** List estimates. - Action **List Expenses** List expenses. - Action **List Invoices** List invoices. - Action **List Projects** List projects. - Action **List Self Assessment Returns** Returns the Self Assessment (income tax) returns for a FreeAgent user, including payments due and filing status. - Action **List Tasks** Returns the tasks in your FreeAgent account, optionally filtered by status, project or last-updated date. - Action **List Timeslips** List timeslips (time tracking entries). - Action **List Users** Returns the users on the FreeAgent account, optionally filtered to staff or advisors. - Action **Mark Invoice as Cancelled** Marks a FreeAgent invoice as cancelled, writing it off as unpaid. The invoice must be sent and past its due date. - Action **Mark Invoice as Sent** Marks a FreeAgent invoice as sent without emailing it. Can also re-open a cancelled invoice. - Action **Update Bill** Updates an existing bill in FreeAgent — its supplier, reference, dates, rebilling, recurrence and bill items. Only the values you supply are changed. - Action **Update Contact** Update an existing contact. - Action **Update Expense** Updates an existing expense in FreeAgent, changing only the details you supply. - Action **Update Invoice** Updates an existing FreeAgent invoice's details, such as dates, contact, payment terms, comments and line items. Only the fields you fill in are changed. - Action **Update Project** Updates an existing FreeAgent project's name, client, status, budget, billing rate and dates. Only the fields you fill in are changed. - Action **Update Timeslip** Updates an existing timeslip in FreeAgent, changing its task, user, project, date, hours or comment. Fields left blank are not changed. - Trigger **New Client** Triggered when a new client is created in Harpoon. - Trigger **New Contact** Triggered when a new contact is created in Harpoon. - Trigger **New Expense** Triggered when a new expense is created in your Harpoon account. - Trigger **New Expense Category** Triggered when a new expense category is created in Harpoon. - Trigger **New Invoice** Triggered when a new invoice is created in Harpoon. - Trigger **New Payment** Triggered when a new payment is recorded in your Harpoon account. - Trigger **New Project** Triggered when a new project is created in Harpoon. - Trigger **New Task Category** Triggered when a new task category is added in your Harpoon account. - Trigger **New Time Entry** Triggered when a new time entry is logged in Harpoon. - Action **Add Credit Entry** Creates a new credit entry on a client's account in Harpoon, recording an amount, a date and an optional note or originating invoice. Returns the credit entry that was created. - Action **Add Invoice** Creates a new invoice in Harpoon for a client or project, with an invoice number, issue date, and optional line items. Returns the invoice that was created. - Action **Add Lead Source** Creates a new lead source in Harpoon, so new clients can be tagged with where they came from. Returns the lead source that was created. - Action **Add Note** Adds a note to a client, project or invoice in Harpoon. Returns the note that was created. - Action **Add Team** Creates a new team in your Harpoon account. Harpoon populates the new team from your account details; the API accepts no team attributes on creation. - Action **Clone Time Entry** Creates a copy of an existing time entry in Harpoon. The copy keeps the original's project, task and description, and starts with today's date and zero hours logged. - Action **Create Contact** Creates a contact person under a Harpoon client, with their name, email address, and phone number. Returns the contact that was created. - Action **Create Expense** Records a one-off expense in Harpoon with its date, amount, and vendor, optionally attributed to a client, project, or expense category. Returns the expense that was created. - Action **Create Expense Category** Creates a new expense category in your Harpoon account so expenses can be grouped under it. - Action **Create Project** Creates a project in Harpoon for a client, with its budget, rate, and start and end dates. Returns the project that was created. - Action **Create Time Entry** Logs hours worked in Harpoon for a team member on a given date, optionally against a client or project. Returns the time entry that was created. - Action **Delete Client** Deletes a client from your Harpoon account. - Action **Delete Expense** Permanently deletes an expense from your Harpoon account. - Action **Delete Invoice** Permanently removes an invoice from Harpoon. Returns Harpoon's confirmation that the invoice was deleted. - Action **Delete Note** Deletes a note from your Harpoon account. - Action **Delete Recurring Expense** Deletes a recurring expense template from Harpoon by its id, so it stops generating new expenses. - Action **Delete Recurring Invoice** Stops and removes a recurring invoice schedule in Harpoon so it no longer generates invoices. Returns Harpoon's confirmation that it was deleted. - Action **Delete Time Entry** Deletes a time entry from your Harpoon account. - Action **Get Client** Returns a single client from your Harpoon account, including its name, contact details and other stored attributes. - Action **Get Client Credits** Returns a client's credit entries in Harpoon, along with the credit still available on the account. - Action **Get Contact** Returns a single Harpoon contact, including their name, email address, phone number, and the client they belong to. - Action **Get Estimate** Returns a single estimate from your Harpoon account, including its client, line items, totals and status. - Action **Get Expense** Returns a single expense from your Harpoon account, including its amount, date, vendor, category and the client or project it is attached to. - Action **Get Expense Category** Returns a single Harpoon expense category with every detail it carries, including its name and budget settings. - Action **Get Invoice** Fetches one invoice from Harpoon by its id, with its client, line items and payment totals. An error occurs if the invoice is not found. - Action **Get Lead Source** Returns a single lead source from your Harpoon account. - Action **Get Project** Returns a single project from your Harpoon account, including its client, budget and status. - Action **Get Recurring Expense** Fetches one recurring expense template from Harpoon by its id, with its vendor, amount, frequency and schedule. An error occurs if it is not found. - Action **Get Recurring Invoice** Returns a single recurring invoice schedule from Harpoon, including its client, frequency, dates, and line items. - Action **Get Task** Returns a single task category from your Harpoon account, including its name and hourly rate. - Action **Get Team** Returns a single team from your Harpoon account, including its name, email address, phone, address, owner and whether it is active. - Action **Get Time Entry** Returns a single tracked time entry from your Harpoon account, including its date, hours, client, project and notes. - Action **List Contacts** Returns the contacts in your Harpoon account, including each contact's name, email address and phone number. - Action **List Estimates** Returns the estimates in a Harpoon account, optionally narrowed to a year, client, project, status, or search text. - Action **List Expense Categories** Returns the expense categories set up in Harpoon, each with its budget settings. - Action **List Expenses** Returns the expenses in your Harpoon account, optionally narrowed by date range, client, project, category, billing status or search text. - Action **List Invoices** Returns the invoices in your Harpoon account, optionally narrowed by year, client, project, status or a search term. - Action **List Projects** Returns the projects in a Harpoon account, with their client, budget, rate, and dates. - Action **List Teams** Returns the teams in your Harpoon account, along with the total number of teams found. - Action **List Time Entries** Returns time entries from your Harpoon account — either the timers running now or logged history for a date range — optionally narrowed by client, project, task, team member or billing status. - Action **Update Expense** Updates an existing expense in your Harpoon account. Only the values you supply are changed. - Action **Update Invoice** Updates an existing invoice in your Harpoon account. Only the values you supply are changed. - Action **Update Project** Updates an existing project in Harpoon — its name, client, billing type, status, dates, budget and task rates. Returns the updated project. - Action **Update Recurring Expense** Updates a recurring expense in Harpoon — its vendor, amount, frequency, category, dates, and status. Anything left blank keeps its current value. Returns the updated recurring expense. - Action **Update Recurring Invoice** Updates an existing recurring invoice template in your Harpoon account. Only the values you supply are changed. - Action **Update Time Entry** Updates an existing time entry in Harpoon — its date, hours, description, project, task or billing state. ## Each app on its own - [ **FreeAgent** FreeAgent is cloud accounting software for small businesses and freelancers — manage contacts, invoices...](https://apiant.ai/connections/freeagent) - [ **Harpoon** Harpoon is a financial planning, scheduling, time-tracking, invoicing, and budgeting platform for...](https://apiant.ai/connections/harpoon) Reviews ## What our customers say ## More from FreeAgent - [ **FreeAgent to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/freeagent-to-salesforce) - [ **FreeAgent to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/freeagent-to-slack) - [ **FreeAgent to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/freeagent-to-stripe) - [ **FreeAgent to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/freeagent-to-shopify) - [ **FreeAgent to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/freeagent-to-quickbooks-online) - [ **FreeAgent to Trello** Trello is a visual collaboration tool that organizes projects into boards, lists, and cards.](https://apiant.ai/connect/freeagent-to-trello) ## More into Harpoon - [ **Google Calendar to Harpoon** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-harpoon) - [ **ActiveCampaign to Harpoon** ActiveCampaign is a marketing automation, email marketing, and CRM platform.](https://apiant.ai/connect/activecampaign-to-harpoon) - [ **Notion to Harpoon** A new tool that blends your everyday work apps into one. It's the all-in-one workspace for you and your team.](https://apiant.ai/connect/notion-to-harpoon) - [ **Airtable to Harpoon** Organize anything with Airtable, a modern database created for everyone.](https://apiant.ai/connect/airtable-to-harpoon) - [ **Asana to Harpoon** Asana is a collaborative information manager for workspace.](https://apiant.ai/connect/asana-to-harpoon) - [ **ClickUp to Harpoon** ClickUp is an all-in-one app to plan, track, and manage your work in a beautifully intuitive environment.](https://apiant.ai/connect/clickup-to-harpoon) Questions ## FreeAgent and Harpoon, answered ### ### What can start an automation from FreeAgent? Any of FreeAgent's 6 triggers in the catalog, including New Bank Transaction, New Contact, New Invoice and New or Updated Contact. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Harpoon when something happens in FreeAgent? Any of Harpoon's 46 actions, including Create Contact, Create Expense, Create Expense Category and Create Project. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Harpoon to FreeAgent? Yes. When something happens in Harpoon, your agent can act in FreeAgent too. This page covers both directions: Harpoon's triggers and FreeAgent's actions are listed here as well. ### ### Do I have to build a connector for FreeAgent or Harpoon? 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 FreeAgent and Harpoon 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.