--- title: "Connect COR and MailerLite Classic - APIANT.ai" description: "When \"Create Brand\" fires in COR, your agent runs \"Add Subscriber to Group\" in MailerLite Classic." canonical: "https://apiant.ai/connect/cor-to-mailerlite-classic" --- # Connect COR and MailerLite Classic When **Create Brand** fires in [COR](https://apiant.ai/connections/cor), your agent runs **Add Subscriber to Group** in [MailerLite Classic](https://apiant.ai/connections/mailerlite-classic), or **New Group** in MailerLite Classic to **Create Invoice** in COR. Describe the whole flow and it is built, tested on every scenario and kept running. COR **12** triggers COR **24** actions MailerLite Classic **1** trigger MailerLite Classic **18** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want COR and MailerLite Classic 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 COR and MailerLite Classic can do together ### From COR to MailerLite Classic - When **Create Brand** in COR then **Add Subscriber to Group** in MailerLite Classic - When **Create Client** in COR then **Create Campaign** in MailerLite Classic ### From MailerLite Classic to COR - When **New Group** in MailerLite Classic then **Create Invoice** in COR - When **New Group** in MailerLite Classic then **Create Task** in COR 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 COR and MailerLite Classic ## Triggers and actions 13 triggers · 42 actions - Trigger **Create Brand** Triggers when a new brand is created in COR. - Trigger **Create Client** Triggers when a new client is created in COR. - Trigger **Create Hour** Triggers when a new time entry is logged in COR. - Trigger **Create Invoice** Triggers when a new transaction is recorded in COR. COR has no separate invoice record, so this watches all transactions, invoices included; use the type field to tell them apart. - Trigger **Create Product** Triggers when a new product is created in COR. - Trigger **Create Project** Triggers when a new project is created in COR. - Trigger **Create Task** Triggers when a new task is created in COR. Returns the new task's details. - Trigger **Create User** Triggers when a new user is created in COR. - Trigger **Updated Client** Triggers when an existing client is changed in COR. - Trigger **Updated Project** Triggers when an existing project is updated in COR. - Trigger **Updated Task** Triggers when a task is changed, such as a new title, status, priority or deadline. Also fires when a new task appears. - Trigger **Updated User** Triggers when a user in COR is created or changed, such as their name, email, role, position or labels. - Action **Add brand** Creates a new brand under a client in COR. - Action **Add team** Creates a new team in COR with a name and, optionally, a description and workspace. Returns the team that was created. - Action **Create Client** Creates a new client in COR with its company details and primary contact, and returns the new client's id. - Action **Create Fee** Creates a fee for a client in COR, with its name, estimate and work order, and optional details such as dates, status and currency. Returns the new fee. - Action **Create Hour** Logs a time entry against a task in COR and returns the new entry's id. - Action **Create Invoice** Creates an invoice (a COR transaction) for the given date, total and currency, optionally linked to a client, and returns the new transaction. - Action **Create Project** Creates a new project for a client in COR and returns the created project. - Action **Create Task** Creates a new task in COR, optionally within a project, and returns the created task. - Action **Delete Project** Deletes a project in COR by its ID. - Action **Delete task** Deletes a task in COR by its ID. - Action **Find clients by name** Returns the clients whose name matches the specified name. - Action **Find projects by name** Returns the COR projects whose name matches the name you search for, including each project's client, project manager, status and budget details. - Action **Get client** Returns a single COR client by its id, including its business name, contact details, website and description. - Action **Get project** Returns a single COR project by its id, including its client, project manager, dates, status, budget figures and assigned labels. An error occurs if the project is not found. - Action **Get task** Returns a single COR task by its id, including its title, project, deadline, status and priority. - Action **List clients** Returns all clients in the COR account, optionally narrowed by filter criteria. - Action **List fees** Returns the fees in the COR account, including each fee's name, estimate, status and dates. - Action **List hours** Returns the time entries logged in the COR account, optionally narrowed by date range, client, project, user, label or team, and sorted as you choose. - Action **List products** Returns all products in the COR account, each with its name, client and brand. - Action **List projects** Returns the company's projects, optionally narrowed by client, team, user, brand, product, dates, status, health or archived state. - Action **List tasks** Returns the tasks in your COR account, optionally narrowed by project, project manager, status and other criteria, and sorted the way you choose. - Action **List teams** Returns the teams in the COR workspace, including each team's name and description. - Action **Update Project** Updates an existing project in COR, changing only the fields you fill in, and returns the updated project. - Action **Update Task** Updates an existing task by its id, changing its title, project, description, deadline, status, priority or archived state, and returns the updated task. - Trigger **New Group** Triggered when a new subscriber group is created in MailerLite. - Action **Add Subscriber to Group** Adds a subscriber to a MailerLite group, creating the subscriber if they do not exist yet. - Action **Create Campaign** Creates a new regular or A/B email campaign addressed to the chosen groups or segments. Its HTML content is added afterwards. - Action **Create Group** Creates a new subscriber group in the MailerLite account and returns the created group. - Action **Delete Campaign** Deletes a campaign from the MailerLite account. A scheduled campaign cannot be deleted until it has been cancelled. - Action **Delete Group** Deletes a subscriber group from the MailerLite account. - Action **Find Group by Name** Returns the subscriber groups that match the specified group name. - Action **Get Group** Returns one subscriber group by its id, including its name, subscriber counts, email activity totals and dates. - Action **List Campaigns** Returns the campaigns in your MailerLite account with the chosen status, with a basic summary and open and click stats for each campaign. - Action **List Groups** Returns the subscriber groups in the MailerLite account, with each group's subscriber counts, email stats and created and updated dates. - Action **List Segments** Returns the segments stored in your MailerLite account, with each segment's title, rules, subscriber count and email engagement totals. - Action **List Subscriber Groups** Returns the groups a subscriber belongs to, with each group's subscriber counts and sent, opened and clicked totals. - Action **List Subscribers** Returns the subscribers in the MailerLite account, optionally limited to one status such as active or unsubscribed. - Action **Remove Subscriber From a Group** Removes a subscriber from a group, identified by the subscriber's id or email address. The subscriber stays in the account and in any other groups. - Action **Search Subscribers** Returns the subscribers in your MailerLite account that match a search term, such as an email address or name. - Action **Send Campaign** Sends a draft campaign immediately or schedules it for a later time, and returns the campaign with its status and emails. - Action **Set Campaign Content** Sets the HTML and plain-text content of a draft campaign, replacing what the campaign's email contains. - Action **Unsubscribe Subscriber** Marks a subscriber as unsubscribed across the MailerLite account and returns the updated subscriber. Their name and fields can be updated in the same step. - Action **Update Group** Renames an existing subscriber group and returns the updated group with its subscriber and email counts. ## Each app on its own - [ **COR** COR is the all-in-one management solution for creative agencies that automate timesheets, through AI, to...](https://apiant.ai/connections/cor) - [ **MailerLite Classic** Use MailerLite Classic to stay connected with your customers through email marketing.](https://apiant.ai/connections/mailerlite-classic) Reviews ## What our customers say ## More from COR - [ **COR to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/cor-to-hubspot) - [ **COR to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/cor-to-salesforce) - [ **COR to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/cor-to-slack) - [ **COR to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/cor-to-google-sheets) - [ **COR to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/cor-to-gmail) - [ **COR to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/cor-to-google-calendar) ## More into MailerLite Classic - [ **HubSpot to MailerLite Classic** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailerlite-classic) - [ **Google Sheets to MailerLite Classic** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-mailerlite-classic) - [ **Gmail to MailerLite Classic** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailerlite-classic) - [ **Google Calendar to MailerLite Classic** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-mailerlite-classic) - [ **Google Drive to MailerLite Classic** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-mailerlite-classic) - [ **Mailchimp to MailerLite Classic** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-mailerlite-classic) Questions ## COR and MailerLite Classic, answered ### ### What can start an automation from COR? Any of COR's 12 triggers in the catalog, including Create Brand, Create Client, Create Hour and Create Invoice. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in MailerLite Classic when something happens in COR? Any of MailerLite Classic's 18 actions, including Create Campaign, Create Group, Send Campaign and Update Group. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from MailerLite Classic to COR? Yes. When something happens in MailerLite Classic, your agent can act in COR too. This page covers both directions: MailerLite Classic's triggers and COR's actions are listed here as well. ### ### Do I have to build a connector for COR or MailerLite Classic? 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 COR and MailerLite Classic 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.