InboxGuards Email Check
Check emails before you send, and get a $1 SPF/DKIM/DMARC fix plan for your domain. Pay per call.
| Endpoint | https://api.inboxguardstest.com/mcp (streamable-http) |
|---|---|
| Registry version | 1.2.0 |
| Now | 4 tools · grade A (99) · pin ts_897a68abea5aa456f844e0dbcd39a09c · protocol 2025-06-18 |
| First / last listed | 2026-11-06 03:27 UTC / 2026-11-06 03:27 UTC |
| Grade over time | 2026-11-06: A (99), 4 tools |
Is this your server? Own a server? ToolFit hosted watch re-checks it every 24 h ($0.25 per 30 days) or 6 h ($0.60) and sends you an HMAC-signed webhook when its tools or grade change: POST https://api.youraitools.co/toolfit/v1/watch. To opt out, see About & opt-out.
Tools: validate_email pricing check_email_address email_fix_plan
validate_email | Free. 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. params: email* |
pricing | Free. 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. params: none |
check_email_address | Check 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@, support@, noreply@...) and a free-provider flag. Returns a verdict of ok, risky or undeliverable with plain reasons. Use validate_email first if you only need syntax. No SMTP probe i params: email* |
email_fix_plan | Get 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 (Cloudflare, GoDaddy, Route 53, Namecheap, Squarespace/Google, Vercel and others). Reads live MX, NS, SPF, DKIM and DMARC; detects Google Workspace, Microsoft 365, Zoho, Proton, Fastmail, params: domain* |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.