--- title: "Connect Common Room and Quaderno - APIANT.ai" description: "When \"Custom Fields List\" fires in Common Room, your agent runs \"Add invoice payment\" in Quaderno." canonical: "https://apiant.ai/connect/common-room-to-quaderno" --- # Connect Common Room and Quaderno When **Custom Fields List** fires in [Common Room](https://apiant.ai/connections/common-room), your agent runs **Add invoice payment** in [Quaderno](https://apiant.ai/connections/quaderno), or **New Contact** in Quaderno to **Add or Update a Contact Custom Field** in Common Room. Describe the whole flow and it is built, tested on every scenario and kept running. Common Room **2** triggers Common Room **11** actions Quaderno **3** triggers Quaderno **24** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Common Room and Quaderno 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 Common Room and Quaderno can do together ### From Common Room to Quaderno - When **Custom Fields List** in Common Room then **Add invoice payment** in Quaderno - When **Segment Status List** in Common Room then **Create Contact** in Quaderno ### From Quaderno to Common Room - When **New Contact** in Quaderno then **Add or Update a Contact Custom Field** in Common Room - When **New Invoice** in Quaderno then **Add Common Room Contact to Segment** in Common Room 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 Common Room and Quaderno ## Triggers and actions 5 triggers · 35 actions - Trigger **Custom Fields List** Triggers when a new contact custom field is added to the Common Room community. - Trigger **Segment Status List** Triggers when a new status is added to the selected Common Room segment. - Action **Add Activity From Third Party Source** Adds an activity from a third-party system to a Common Room API signal source, or updates an activity previously added with the same activity ID and type. - Action **Add Common Room Contact to Segment** Adds one or more existing Common Room contacts to an existing segment, identified by email, Twitter, GitHub or LinkedIn, optionally setting their segment status. - Action **Add Organization From Third Party Source** Adds an organization to a Common Room API source, or updates the organization previously added with the same domain. - Action **Add or Update a Contact Custom Field** Sets the value of a contact custom field on a Common Room contact, creating or updating the contact in an API signal source. - Action **Add tag** Creates a tag in Common Room, or returns the existing tag if one with the same name already exists. - Action **Delete tag** Deletes a tag and removes it from everywhere it was applied. A tag that segments or workflows still use can't be deleted. - Action **Get tag** Returns a Common Room tag by its id, including its name, description and the entity types it may be assigned to. - Action **List activity types** Returns every activity type defined in your Common Room community, with its id and display name. - Action **List segments** Returns all segments in the Common Room community, with each segment's id and name. - Action **List tags** Returns all user-defined tags in your Common Room community, with their names, descriptions and the record types they can be applied to. - Action **Update tag** Renames a tag or changes its description. A deleted tag is restored when it is updated. - Trigger **New Contact** Triggers when a new contact is created in Quaderno. - Trigger **New Invoice** Triggers when a new invoice is created in Quaderno. - Trigger **New Sale** Triggers when a new sale is recorded in Quaderno, i.e. a new invoice or receipt is created. - Action **Add invoice payment** Records a payment against a Quaderno invoice. When total payments reach the invoice amount, the invoice is marked as paid. - Action **Add product** Creates a new product in Quaderno that can be used as a line item on invoices, credit notes and expenses. - Action **Add receipt** Creates a paid receipt in Quaderno for a completed sale, with its customer, line items and payment method. - Action **Calculate tax rate** Calculates the tax rate and tax amount that applies to a sale for a given customer location and product type. - Action **Create Contact** Creates a new contact (customer or vendor) in Quaderno and returns the created contact. - Action **Create Estimate** Creates an estimate (proforma) in Quaderno for a customer, with line items, dates and notes. - Action **Create Expense** Creates an expense in Quaderno for a vendor, with its line items, and returns the new expense. - Action **Create Invoice** Creates an invoice for a customer with line items; optionally records full payment so the invoice is marked paid. - Action **Create Paid Invoice** Creates an invoice for a customer and records a full payment against it, so the invoice is marked paid. - Action **Create Sale** Records a sale in Quaderno, which calculates taxes and issues the matching invoice or receipt for the customer. - Action **Delete contact** Permanently deletes a contact (customer or vendor) from your Quaderno account. - Action **Find Contact** Finds contacts whose name, email or tax ID matches the search text, or whose payment-processor ID matches. - Action **Find Sale** Finds sales (invoices) by invoice number, customer name or PO number, payment processor transaction id, customer, state or issue date range, and returns the matches. - Action **Get contact** Returns a single Quaderno contact (customer or vendor) by its ID. - Action **Get Estimate** Returns a single estimate (proforma) by its id, including its number, customer, line items, taxes and totals. - Action **Get Expense** Returns the details of an existing expense in your Quaderno account. - Action **Get invoice** Returns a single invoice by its id, including number, contact, line items, taxes, totals and payments. - Action **Get product** Returns a single product (item) from your Quaderno account by its id, including its name, code, price and tax settings. - Action **Get Receipt** Returns a receipt by its id, including number, totals, taxes, contact and payment details. - Action **Update contact** Updates an existing Quaderno contact. Fields left blank keep their current values. - Action **Update invoice** Updates the editable fields of an existing invoice: PO number, tags, payment details, notes, custom metadata and billing address. - Action **Update product** Updates an existing product in Quaderno. Only the fields you fill in are changed. - Action **Validate tax ID** Checks whether a customer's tax ID (EU/UK VAT, ABN, NZBN, QST, Swiss UID) is valid and belongs to a real business. - Action **Void invoice** Voids an existing invoice in Quaderno and returns the voided invoice. ## Each app on its own - [ **Common Room** Common Room is the intelligent community growth platform that helps you deepen relationships, build better...](https://apiant.ai/connections/common-room) - [ **Quaderno** Quaderno is a tax software that handles sales tax, VAT, and GST for your online business.](https://apiant.ai/connections/quaderno) Reviews ## What our customers say ## More from Common Room - [ **Common Room to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/common-room-to-hubspot) - [ **Common Room to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/common-room-to-salesforce) - [ **Common Room to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/common-room-to-slack) - [ **Common Room to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/common-room-to-google-sheets) - [ **Common Room to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/common-room-to-gmail) - [ **Common Room to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/common-room-to-google-calendar) ## More into Quaderno - [ **HubSpot to Quaderno** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-quaderno) - [ **Google Sheets to Quaderno** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-quaderno) - [ **Gmail to Quaderno** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-quaderno) - [ **Google Calendar to Quaderno** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-quaderno) - [ **Google Drive to Quaderno** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-quaderno) - [ **Mailchimp to Quaderno** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-quaderno) Questions ## Common Room and Quaderno, answered ### ### What can start an automation from Common Room? Any of Common Room's 2 triggers in the catalog, including Custom Fields List and Segment Status List. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Quaderno when something happens in Common Room? Any of Quaderno's 24 actions, including Create Contact, Create Estimate, Create Expense and Create Invoice. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Quaderno to Common Room? Yes. When something happens in Quaderno, your agent can act in Common Room too. This page covers both directions: Quaderno's triggers and Common Room's actions are listed here as well. ### ### Do I have to build a connector for Common Room or Quaderno? 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 Common Room and Quaderno 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.