InboxGuards Email Check
by api.inboxguardstest.com · com.inboxguardstest.api/email
Check emails before you send, and get a $1 SPF/DKIM/DMARC fix plan for your domain. Pay per call.
- Category
- Messaging and email
- Connection
- Remote (HTTP)
- Tools
- 4 reported
- Status
- Online
Connect it to your AI
Claude Code
claude mcp add --transport http email https://api.inboxguardstest.com/mcpClaude, ChatGPT, Cursor and other apps
Add it as a custom connector with this URL (Streamable HTTP):
https://api.inboxguardstest.com/mcpCursor, VS Code and other apps (mcp.json)
{
"mcpServers": {
"email": {
"url": "https://api.inboxguardstest.com/mcp"
}
}
}Tools it offers
4 tools, as the server itself reported during our check on Oct 31, 2026.
validate_emailFree. Check the syntax of an email address offline and get the normalized address and domain, before paying for check_email_address. No DNS lookup, no network request, no payment.pricingFree. Return the price of check_email_address (and of the HTTP-only email test report), the payment network (Base) and the receiving address. No input, no network request, no payment.check_email_addressCheck one email address before you send to it: syntax, whether the domain accepts mail (MX, null MX or implicit A record), a disposable-domain flag (public CC0 list of about 9,900 domains), a role-account flag (info@, suemail_fix_planGet an email security fix plan for one domain: the exact SPF, DKIM and DMARC DNS records to publish (create / replace / keep, record name, value and why), in order, plus click-path steps for the domain's DNS host (Cloudf
Questions
What is the InboxGuards Email Check MCP server?
Check emails before you send, and get a $1 SPF/DKIM/DMARC fix plan for your domain. Pay per call. It is made by api.inboxguardstest.com and listed in the official MCP Registry as com.inboxguardstest.api/email. MCP (Model Context Protocol) is the open standard that lets AI apps like Claude, ChatGPT and Cursor use outside tools.
How do I add InboxGuards Email Check to Claude?
In the Claude app or claude.ai, open Settings, then Connectors, choose "Add custom connector" and paste https://api.inboxguardstest.com/mcp. In Claude Code, run: claude mcp add --transport http email https://api.inboxguardstest.com/mcp
How do I add InboxGuards Email Check to ChatGPT?
ChatGPT can use remote MCP servers as connectors. In ChatGPT settings, under Apps and Connectors, turn on developer mode if asked, create a new connector and paste https://api.inboxguardstest.com/mcp.
How do I add InboxGuards Email Check to Cursor?
Open Cursor settings, go to MCP, choose "Add new MCP server" (or edit ~/.cursor/mcp.json) and add: { "mcpServers": { "email": { "url": "https://api.inboxguardstest.com/mcp" } } }
Does InboxGuards Email Check work right now?
Yes. It responded when we last checked on 31 Oct 2026. We check remote MCP servers every day.
What can InboxGuards Email Check do?
It gives your AI 4 tools, including validate_email, pricing, check_email_address, email_fix_plan. The full list is on this page.
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Markdown (GitHub README)
[](https://chen.media/mcp/com-inboxguardstest-api-email)HTML (switches to dark mode on its own)
<a href="https://chen.media/mcp/com-inboxguardstest-api-email"><picture><source media="(prefers-color-scheme: dark)" srcset="https://chen.media/mcp/badge/com-inboxguardstest-api-email.svg?theme=dark"><img src="https://chen.media/mcp/badge/com-inboxguardstest-api-email.svg" alt="Listed on chen.media/mcp" height="40"></picture></a>More in Messaging and email
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