--- title: "Connect Circle to Maildroppa - APIANT.ai" description: "When \"New Access Group\" fires in Circle, your agent runs \"Add or Update Subscriber Field (By Email)\" in Maildroppa." canonical: "https://apiant.ai/connect/circle-to-maildroppa" --- # Connect Circle to Maildroppa When **New Access Group** fires in [Circle](https://apiant.ai/connections/circle), your agent runs **Add or Update Subscriber Field (By Email)** in [Maildroppa](https://apiant.ai/connections/maildroppa). Describe the whole flow and it is built, tested on every scenario and kept running. Circle **16** triggers Circle **21** actions Maildroppa **31** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Circle and Maildroppa 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 Circle can start in Maildroppa - When **New Access Group** in Circle then **Add or Update Subscriber Field (By Email)** in Maildroppa - When **New Comment Posted** in Circle then **Add or Update Subscriber Field (By Subscriber ID)** in Maildroppa 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 Circle and Maildroppa ## Triggers and actions 16 triggers · 52 actions - Trigger **Content Approved** Triggers when a moderator approves reported (flagged) content in your Circle community. - Trigger **Content Flagged** Triggers when a piece of community content (a post, comment or message) is reported for moderation. - Trigger **Content Rejected** Triggers when a moderator rejects reported content (a post or comment) in your Circle community. - Trigger **New Access Group** Triggers when a new access group is created in your Circle community. - Trigger **New Comment Posted** Triggers when a new comment is posted in your Circle community, optionally limited to one space or post. - Trigger **New Event Created** Triggers when a new event is published in your Circle community, optionally limited to one event space. - Trigger **New Event RSVP** Triggers when a member RSVPs yes to the selected Circle event. - Trigger **New Member Active Subscription** Triggers when a community member's paid subscription becomes active in Circle. - Trigger **New Member Added** Triggers when a new member joins the Circle community. Optionally includes invited members who have not finished setting up their profile, or only members with chosen tags. - Trigger **New Member Canceled Subscription** Triggers when a community member's paid subscription is canceled in Circle, returning the canceled subscription with its member and paywall details. - Trigger **New Member Paid Charge** Triggers when a community member is charged successfully (a new paid charge appears in Circle). - Trigger **New Member Past Due Subscription** Triggers when a community member's paid subscription becomes past due. - Trigger **New Member Refunded Charge** Triggers when a member's charge is refunded, fully or partially, in your Circle community. - Trigger **New Post** Triggers when a new basic post is published in your Circle community, optionally limited to one space or space group. - Trigger **New Space Created** Triggers when a new space is created in your Circle community. - Trigger **New Tagged Member** Triggers when a member tag is applied to a community member or contact in your Circle community. - Action **Add Member to Space Group** Adds an existing community member, by email, to a space group and to every space in that group. Does nothing if they are already in the group. - Action **Create Comment** Creates a comment on a Circle post, or a reply to an existing comment, optionally authored as another community member. - Action **Create Contact** Creates a non-member contact (lead) in your Circle community from an email address. The contact appears in your audience for email marketing but has no login or community access. - Action **Create Course Section** Creates a new section at the end of a course space. The section starts with no lessons. - Action **Find Member** Finds a community member by their exact email address, including invited members who have not finished setting up their profile. - Action **Has Member Tag** Checks whether the community member with a given email address has a given member tag, and returns true or false along with the member's id and tags. - Action **Invite Member** Invites a person to your Circle community by email, creating their Circle account if needed, and optionally adds them to spaces, space groups and member tags. Returns the new community member. - Action **Is Member of Space** Checks whether a community member, identified by email, belongs to a chosen space and returns their space membership details. - Action **Is Member of Space Group** Checks whether a community member, identified by email, belongs to a space group, and returns their membership details when they do. - Action **Mark Course Lesson as Completed** Marks a course lesson as completed for a member of the course space, identified by their email address. - Action **Remove Member** Removes a member from your Circle community by deactivating their membership and canceling their running paid subscriptions. Their posts and comments are kept, and inviting the same email again restores the membership. - Action **Remove Member From Access Group** Removes a community member, identified by member ID or email, from an access group. - Action **Remove Member From Event** Removes a member's RSVP from a Circle event, identified by the member's email. The attendee record is kept with its RSVP set to no. - Action **Remove Member From Space** Removes a community member, identified by email, from a space. The person stays a member of the community. - Action **Remove Member From Space Group** Removes a member from a space group and from every space in that group. They stay a member of the community. - Action **RSVP Member to Event** Adds a community member, identified by email, to an event. The member is RSVPed directly when the event auto-RSVPs invited attendees; otherwise they are invited. - Action **Send Direct Message** Sends a direct chat message to a Circle community member, identified by email, optionally as a reply in a thread. - Action **Start a Group Chat** Sends a message to a group of community members in a group chat, starting the group chat if it does not exist yet. The message is sent as the community member the connection authenticates as. - Action **Tag Member** Applies a member tag to the community member with the given email. If the member already has the tag, it is kept. - Action **Untag Member** Removes a member tag from the community member with the given email. The tag itself stays in the community; only its assignment to that member is removed. - Action **Update Event** Updates an existing event in a Circle event space. Only the fields you fill in are changed; everything else on the event stays as it is. - Action **Add or Update Subscriber Field (By Email)** Sets (replaces) one custom field value on the subscriber with the given email address. - Action **Add or Update Subscriber Field (By Subscriber ID)** Sets or replaces one custom field value on a subscriber identified by subscriber ID. - Action **Assign Subscriber Tag (By Email)** Assigns a customer tag to the subscriber with the given email address. - Action **Assign Subscriber Tag (By Subscriber ID)** Assigns one of your active customer tags to a subscriber, identified by subscriber ID. Assigning a tag the subscriber already has does nothing. - Action **Count Subscribers (Filtered)** Returns the number of subscribers matching a set of segment conditions, optionally limited to one subscriber status. - Action **Create Field Type** Creates a custom subscriber field in Maildroppa, such as a text, number, date or choice field. - Action **Create Segment** Creates a subscriber segment in Maildroppa from a set of field, tag, topic, segment or purchase conditions. - Action **Create Tag** Creates a new tag in Maildroppa that can be assigned to subscribers and used in segments. - Action **Delete All Subscribers (Optionally by Status)** Deletes all subscribers in the account, optionally only those with a given status. Deletion runs in the background. - Action **Delete Field Type** Archives a customer-created subscriber field so it is no longer active. - Action **Delete Segment** Deletes a segment from your Maildroppa account. Segments still in use cannot be deleted. - Action **Delete Subscriber by Email** Deletes a subscriber from your Maildroppa audience, identified by their email address. - Action **Delete Subscriber by ID** Deletes a single subscriber from your Maildroppa account by their subscriber ID. - Action **Delete Subscriber Field (By Email)** Clears the value of one subscriber field for the subscriber with the given email address. - Action **Delete Subscriber Field (By Subscriber ID)** Clears the value of one subscriber field for the subscriber with the given ID. - Action **Delete Subscribers (Bulk)** Deletes several Maildroppa subscribers at once by their subscriber IDs. - Action **Delete Subscriber Tag (By Email)** Removes a customer tag from the subscriber with the given email address. - Action **Delete Subscriber Tag (By Subscriber ID)** Removes a tag from a subscriber identified by their subscriber ID. - Action **Delete Tag** Deletes (archives) a customer tag in Maildroppa so it can no longer be assigned. An archived tag can be restored later. - Action **Find Subscriber by Email** Finds a subscriber by their exact email address and returns their details. - Action **Get Segment by ID** Returns one Maildroppa segment by its ID, including its name and filter conditions. - Action **Get Subscriber by ID** Returns a subscriber by ID, including field values, tags, status and registration details. - Action **List Field Types (Paged)** Returns all subscriber fields in the Maildroppa account, both built-in and custom, including field types and choice options. - Action **List Filtered Subscribers (Paged)** Returns one page of subscribers matching a filter of field, tag, topic, segment or purchase conditions. - Action **List Tags** Returns the tags in your Maildroppa account, including system-managed tags, optionally with archived ones. - Action **Request Double Opt‑In** Starts double opt-in for a new subscriber by sending them a confirmation email. Their profile, tags and topics are applied once they confirm. - Action **Update Field Type** Updates a custom subscriber field's label, required flag, internal visibility, position and choice options. - Action **Update Segment** Replaces a segment's name and rules in Maildroppa. - Action **Update Subscriber** Updates a subscriber's email, first name, status, custom field values and tags. Values left blank keep the subscriber's current data. - Action **Update Subscriber Email** Changes the email address of an existing Maildroppa subscriber. - Action **Update Tag** Renames an existing customer tag in Maildroppa and returns the updated tag. ## Each app on its own - [ **Circle** A modern community platform for creators.](https://apiant.ai/connections/circle) - [ **Maildroppa** Maildroppa is a B2B email-marketing platform that lets you create, send and track campaigns, manage...](https://apiant.ai/connections/maildroppa) Reviews ## What our customers say ## More from Circle - [ **Circle to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/circle-to-hubspot) - [ **Circle to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/circle-to-salesforce) - [ **Circle to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/circle-to-slack) - [ **Circle to Google Sheets** Google Sheets](https://apiant.ai/connect/circle-to-google-sheets) - [ **Circle to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/circle-to-gmail) - [ **Circle to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/circle-to-google-calendar) ## More into Maildroppa - [ **HubSpot to Maildroppa** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-maildroppa) - [ **Salesforce to Maildroppa** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-maildroppa) - [ **Slack to Maildroppa** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-maildroppa) - [ **Google Sheets to Maildroppa** Google Sheets](https://apiant.ai/connect/google-sheets-to-maildroppa) - [ **Gmail to Maildroppa** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-maildroppa) - [ **Google Calendar to Maildroppa** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-maildroppa) Questions ## Circle and Maildroppa, answered ### ### What can start an automation from Circle? Any of Circle's 16 triggers in the catalog, including New Access Group, New Comment Posted, New Event Created and New Event RSVP. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Maildroppa when something happens in Circle? Any of Maildroppa's 31 actions, including Create Field Type, Create Segment, Create Tag and Update Field Type. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Maildroppa to Circle? Maildroppa has no triggers in the catalog today, so automations start in Circle. If you need the other direction, ask: your agent reads Maildroppa's API documentation and adds it. ### ### Do I have to build a connector for Circle or Maildroppa? 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 Circle and Maildroppa 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.