--- title: "Connect Hjarni to Mailsac - APIANT.ai" description: "When \"New Note\" fires in Hjarni, your agent runs \"Validate email address\" in Mailsac." canonical: "https://apiant.ai/connect/hjarni-to-mailsac" --- # Connect Hjarni to Mailsac When **New Note** fires in [Hjarni](https://apiant.ai/connections/hjarni), your agent runs **Validate email address** in [Mailsac](https://apiant.ai/connections/mailsac). Describe the whole flow and it is built, tested on every scenario and kept running. Hjarni **1** trigger Hjarni **14** actions Mailsac **6** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Hjarni and Mailsac 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 Hjarni can start in Mailsac - When **New Note** in Hjarni then **Validate email address** in Mailsac - When **New Note** in Hjarni then **Get message** in Mailsac 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 Hjarni and Mailsac ## Triggers and actions 1 trigger · 20 actions - Trigger **New Note** Triggers when a new note is created. - Action **Add File to Note** Attaches a file to an existing note from a URL. - Action **Add tag** Create a tag. - Action **Create Folder** Creates a new folder with a name, parent folder, description, and AI instructions. - Action **Create Note** Creates a new note with a title, body, tags, and folder. - Action **Delete folder** Delete a container. - Action **Delete note** Delete a note (moves to trash). - Action **Delete tag** Delete a tag. - Action **Get folder** Fetch one container by id. - Action **Get note** Fetch one note by id with body, tags, container, files. - Action **List notes** List notes, filter by scope/container_id/tag, paginated. - Action **List tags** List tags. - Action **Update folder** Update a container. - Action **Update note** Update note fields (title, body, tags, container, append_body etc, expected_lock_version). - Action **Update tag** Rename/update a tag. - Action **Get address** Returns a Mailsac email address's details, including its forwarding, webhook and ownership settings, or shows whether it is reserved. - Action **Get message** Returns the details of a single email message in a Mailsac inbox, including sender, recipients, subject, links found in the body and attachment checksums. - Action **Get message text** Returns the plain-text body of an email message in a Mailsac inbox. If the message only contained HTML, a simple plain-text version is generated. - Action **List addresses** Returns every private (reserved) email address on your Mailsac account, with its forwarding, webhook and custom info settings. - Action **List messages** Returns the messages in a Mailsac inbox, newest first, with sender, recipients, subject, received date and links for each. - Action **Validate email address** Checks whether an email address is correctly formatted and whether it belongs to a disposable email provider, and returns the domains and IP addresses associated with it. ## Each app on its own - [ **Hjarni** Hjarni is a Markdown knowledge base with a built-in MCP server.](https://apiant.ai/connections/hjarni) - [ **Mailsac** Disposable Email](https://apiant.ai/connections/mailsac) Reviews ## What our customers say ## More from Hjarni - [ **Hjarni to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hjarni-to-hubspot) - [ **Hjarni to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/hjarni-to-salesforce) - [ **Hjarni to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/hjarni-to-slack) - [ **Hjarni to Mailchimp** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/hjarni-to-mailchimp) - [ **Hjarni to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/hjarni-to-stripe) - [ **Hjarni to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/hjarni-to-shopify) ## More into Mailsac - [ **HubSpot to Mailsac** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailsac) - [ **Salesforce to Mailsac** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-mailsac) - [ **Slack to Mailsac** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-mailsac) - [ **Google Sheets to Mailsac** Google Sheets](https://apiant.ai/connect/google-sheets-to-mailsac) - [ **Gmail to Mailsac** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailsac) - [ **Google Calendar to Mailsac** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-mailsac) Questions ## Hjarni and Mailsac, answered ### ### What can start an automation from Hjarni? Any of Hjarni's 1 trigger in the catalog, including New Note. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Mailsac when something happens in Hjarni? Any of Mailsac's 6 actions, including Get address, Get message, Get message text and List addresses. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Mailsac to Hjarni? Mailsac has no triggers in the catalog today, so automations start in Hjarni. If you need the other direction, ask: your agent reads Mailsac's API documentation and adds it. ### ### Do I have to build a connector for Hjarni or Mailsac? 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 Hjarni and Mailsac 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.