--- title: "Connect MailCheck.ai to SimplyRETS - APIANT.ai" description: "When \"Domain added to blocklist (instant)\" fires in MailCheck.ai, your agent runs \"Find listings\" in SimplyRETS." canonical: "https://apiant.ai/connect/mailcheck-ai-to-simplyrets" --- # Connect MailCheck.ai to SimplyRETS When **Domain added to blocklist (instant)** fires in [MailCheck.ai](https://apiant.ai/connections/mailcheck-ai), your agent runs **Find listings** in [SimplyRETS](https://apiant.ai/connections/simplyrets). Describe the whole flow and it is built, tested on every scenario and kept running. MailCheck.ai **4** triggers MailCheck.ai **2** actions SimplyRETS **2** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want MailCheck.ai and SimplyRETS 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 MailCheck.ai can start in SimplyRETS - When **Domain added to blocklist (instant)** in MailCheck.ai then **Find listings** in SimplyRETS - When **Domain flagged as relay (instant)** in MailCheck.ai then **List open houses** in SimplyRETS 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 MailCheck.ai and SimplyRETS ## Triggers and actions 4 triggers · 4 actions - Trigger **Domain added to blocklist (instant)** Fires when a domain is added to the account's blocklist. - Trigger **Domain flagged as relay (instant)** Fires when a previously-looked-up domain is newly flagged as a relay/forwarding domain. - Trigger **Domain flagged as spam (instant)** Fires when a previously-looked-up domain is newly flagged as a spam domain. - Trigger **Domain unflagged as spam (instant)** Fires when a previously-looked-up domain changes from spam to non-spam. - Action **Get domain** Check a domain for disposable/relay/spam status, MX configuration, age, SPF/DMARC posture, and blocklist status. - Action **Get email** Check an email address for disposable/relay/role-account status, normalized form, and its domain's signals. - Action **Find listings** Search MLS property listings by location, price, status, and other filters. - Action **List open houses** List scheduled open house events across MLS listings. ## Each app on its own - [ **MailCheck.ai** MailCheck.ai detects disposable and temporary email addresses so they can be blocked at signup.](https://apiant.ai/connections/mailcheck-ai) - [ **SimplyRETS** The SimplyRETS API is an exciting step towards making it easier for developers and real estate agents to...](https://apiant.ai/connections/simplyrets) Reviews ## What our customers say ## More from MailCheck.ai - [ **MailCheck.ai to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/mailcheck-ai-to-salesforce) - [ **MailCheck.ai to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/mailcheck-ai-to-slack) - [ **MailCheck.ai to Mailchimp** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailcheck-ai-to-mailchimp) - [ **MailCheck.ai to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/mailcheck-ai-to-stripe) - [ **MailCheck.ai to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/mailcheck-ai-to-shopify) - [ **MailCheck.ai to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/mailcheck-ai-to-quickbooks-online) ## More into SimplyRETS - [ **Openlayer to SimplyRETS** Openlayer is a platform for monitoring, evaluating, and testing AI and ML models in production.](https://apiant.ai/connect/openlayer-to-simplyrets) - [ **HubSpot to SimplyRETS** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-simplyrets) - [ **Salesforce to SimplyRETS** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-simplyrets) - [ **Slack to SimplyRETS** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-simplyrets) - [ **Google Sheets to SimplyRETS** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-simplyrets) - [ **Gmail to SimplyRETS** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-simplyrets) Questions ## MailCheck.ai and SimplyRETS, answered ### ### What can start an automation from MailCheck.ai? Any of MailCheck.ai's 4 triggers in the catalog, including Domain added to blocklist (instant), Domain flagged as relay (instant), Domain flagged as spam (instant) and Domain unflagged as spam (instant). Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in SimplyRETS when something happens in MailCheck.ai? Any of SimplyRETS's 2 actions, including Find listings and List open houses. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from SimplyRETS to MailCheck.ai? SimplyRETS has no triggers in the catalog today, so automations start in MailCheck.ai. If you need the other direction, ask: your agent reads SimplyRETS's API documentation and adds it. ### ### Do I have to build a connector for MailCheck.ai or SimplyRETS? 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 MailCheck.ai and SimplyRETS 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.