Email

MailCheck.ai integrations

Connect MailCheck.ai to any other app, or use it from your AI client over MCP. MailCheck.ai detects disposable and temporary email addresses so they can be blocked at signup. Callers submit a full email address or just a domain and get back whether it is a known throwaway or blocklisted provider, plus basic validity signals such as MX presence. Useful for registration forms, lead validation and list hygiene. No credentials required.

No account neededmailcheck.ai
4 triggers2 actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

Build solutions, not workarounds.

What do you want to automate with MailCheck.ai?

Ask the assistant

You'll sign in before anything runs. What you typed comes with you.

Connect your AI client

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)
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)
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)
Zed

Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.

Setup guide (opens in a new tab)
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)
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)

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What your agent can do with MailCheck.ai

Triggers and actions 4 triggers · 2 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.

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Questions

MailCheck.ai, answered

Is there a MailCheck.ai MCP server?

APIANT's MCP server at https://mcp.apiant.ai works with MailCheck.ai. Add that address to any AI client that takes a remote MCP server and sign in once in your browser. Your client can then run MailCheck.ai actions on demand, or have APIANT build, test and run automations that use MailCheck.ai. Nothing to install.

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 MailCheck.ai?

Any of MailCheck.ai's 2 actions, including Get domain and Get email. Your agent maps the data both ways and tests every scenario before it ships.

Can I use MailCheck.ai directly from Claude, ChatGPT or Cursor?

Yes. Connect your AI client to APIANT once and it works with MailCheck.ai two ways. Ask it to do something in MailCheck.ai 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 on its own. A one-off action uses your plan's tasks the same way an automation step does.

Do I need to write code against the MailCheck.ai API?

No. APIANT connects to the MailCheck.ai API for you. Describe what you want in plain language and your agent builds it on the MailCheck.ai triggers and actions in the catalog. If you need an endpoint that is not there yet, your agent reads the MailCheck.ai API documentation and adds it.

Which apps can MailCheck.ai connect to?

Any app in the catalog; the list on this page pairs MailCheck.ai with each of them. If the other app is missing, point your agent at its API documentation and it builds the connector.

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.