# Connect Flatfile to Mailercloud

When **New Agent** fires in [Flatfile](https://apiant.ai/connections/flatfile), your agent runs **Add contact** in [Mailercloud](https://apiant.ai/connections/mailercloud). Describe the whole flow and it is built, tested on every scenario and kept running.

Flatfile **8** triggers Flatfile **4** actions Mailercloud **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 Flatfile and Mailercloud to do together?

Give your AI client this address.

`https://mcp.apiant.ai`

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 Flatfile can start in Mailercloud

- When **New Agent** in Flatfile then **Add contact** in Mailercloud
- When **New App** in Flatfile then **Add Contact to List** in Mailercloud

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 Flatfile and Mailercloud

## Triggers and actions 8 triggers · 22 actions

- Trigger

**New Agent**

Triggers when a new agent is created.

- Trigger

**New App**

Triggers when a new app is created.

- Trigger

**New Document**

Triggers when a new document is created in a space.

- Trigger

**New Event**

Triggers when a new event occurs in Flatfile.

- Trigger

**New Prompt**

Triggers when a new prompt is created.

- Trigger

**New Sheet**

Trigger when a new sheet is created in a Flatfile workbook.

- Trigger

**New User**

Triggers when a new user is created.

- Trigger

**New Workbook**

Trigger when a new workbook is created in Flatfile.

- Action

**Create Document**

Creates a new document in Flatfile.

- Action

**Create Prompt**

Creates a new AI prompt in Flatfile.

- Action

**Get Document**

Retrieves a single document from a Flatfile space by its ID.

- Action

**Upload File**

Uploads a file to Flatfile.

- Action

**Add contact**

- Action

**Add Contact to List**

Adds a new contact to the selected Mailercloud list's.

- Action

**Add property**

Create Property (custom contact property), Custom Properties section.

- Action

**Add Tags to Contact**

Adds one or more existing tags to a contact.

- Action

**Create List**

Creates a new contact list in your Mailercloud account.

- Action

**Create or Update Contact (Upsert)**

Creates a contact, or updates it if one with the same email already exists — in a single step.

- Action

**Create Tag**

Creates a new tag in your Mailercloud account.

- Action

**Delete Tag**

Deletes a tag from your Mailercloud account.

- Action

**Get contact**

/v1/contacts/{id} (Get Contact Details).

- Action

**Get list**

/v1/list/{id} (Get Single List Details).

- Action

**List contacts**

/v1/contacts/search (Get Contacts in a List); lists contacts of a list with pagination.

- Action

**List lists**

/v1/lists/search (List Lists); paginated.

- Action

**List properties**

List Property (contact properties), Custom Properties section.

- Action

**List tags**

Lists the tags in your Mailercloud account (first 100), optionally filtered by name.

- Action

**Remove Tags From Contact**

Removes one or more tags from an existing contact. Use this because updating a contact only adds tags and never removes them.

- Action

**Update Contact**

Update a existing contact in your account.

- Action

**Update List**

Renames an existing contact list.

- Action

**Update Tag**

Renames an existing tag.

## Each app on its own

- [ **Flatfile** Flatfile is an AI-powered data import and exchange platform that helps teams and businesses seamlessly...](https://apiant.ai/connections/flatfile)
- [ **Mailercloud** Mailercloud is a cloud-based email marketing platform that allows businesses to launch email marketing...](https://apiant.ai/connections/mailercloud)

Reviews

## What our customers say

## More from Flatfile

- [ **Flatfile to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/flatfile-to-hubspot)
- [ **Flatfile to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/flatfile-to-salesforce)
- [ **Flatfile to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/flatfile-to-slack)
- [ **Flatfile to Google Sheets** Google Sheets](https://apiant.ai/connect/flatfile-to-google-sheets)
- [ **Flatfile to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/flatfile-to-google-calendar)
- [ **Flatfile to Google Drive** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/flatfile-to-google-drive)

## More into Mailercloud

- [ **HubSpot to Mailercloud** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailercloud)
- [ **Salesforce to Mailercloud** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-mailercloud)
- [ **Slack to Mailercloud** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-mailercloud)
- [ **Google Sheets to Mailercloud** Google Sheets](https://apiant.ai/connect/google-sheets-to-mailercloud)
- [ **Gmail to Mailercloud** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailercloud)
- [ **Google Calendar to Mailercloud** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-mailercloud)

Questions

## Flatfile and Mailercloud, answered

###

### What can start an automation from Flatfile?

Any of Flatfile's 8 triggers in the catalog, including New Agent, New App, New Document and New Event. Describe the moment in plain language and your agent picks the right one.

###

### What can your agent do in Mailercloud when something happens in Flatfile?

Any of Mailercloud's 18 actions, including Create List, Create or Update Contact (Upsert), Create Tag and Update Contact. Your agent maps the data both ways and tests every scenario before it ships.

###

### Can it also run from Mailercloud to Flatfile?

Mailercloud has no triggers in the catalog today, so automations start in Flatfile. If you need the other direction, ask: your agent reads Mailercloud's API documentation and adds it.

###

### Do I have to build a connector for Flatfile or Mailercloud?

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.

###

### 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.
