Qualisend Email Verification is an MCP server with 12 tools an agent can call, among them analyze_email_header, check_blacklist, check_disposable. It answers at https://app.qualisend.com/api/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 10 of 10 times since 5 September 2026; the last check, on 18 October 2026, succeeded.
Verify email addresses and clean lists to improve deliverability and sender reputation.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
analyze_email_header | Read the hidden technical details of an email (its 'headers') to show the route it took, how long each step took, and whether it passed spam/authentication checks — handy for figuring out why a message was slow or went to spam. Paste the me Inputs: raw |
check_blacklist | Check whether a sending domain or IP is currently on any of the major email blacklists that can push your mail to spam — a point-in-time reputation check across lists like Spamhaus, SpamCop, and Barracuda. No credit used. Requires the Quali Inputs: target |
check_disposable | Tell whether an email address is a throwaway/temporary one, a generic team inbox (like info@ or support@), or a free consumer address (like gmail) — useful for spotting low-quality sign-ups. No credit used. Available on the Qualisend Pro pl Inputs: email |
check_domain | Check whether a domain is set up to send email that reaches the inbox — its mail servers plus its SPF and DMARC sender-authentication, and what's missing. A plain deliverability health check for a sending domain. No credit used. Available o Inputs: domain |
check_typo | Spot a likely typo in an email's domain (like gmial.com) and suggest the correct one, so you don't lose contacts to misspelled addresses. No credit used. Available on the Qualisend Pro plan. Inputs: email |
generate_dns_record | Create the exact DNS setting a domain needs so its email is trusted and harder to spoof — SPF, DMARC, BIMI, or MTA-STS. Returns the record to copy into DNS, with where to put it. No credit used. Available on the Qualisend Pro plan. Inputs: type, domain, includes, ip4, ip6, all |
get_credit_balance | Return the number of verification credits available in your Qualisend workspace. |
get_verification | Look up the status and result of a verification you started, by job_id (returned from verify_email/verify_emails). For a single check it returns the final verdict once the mailbox probe completes; for a batch it returns progress + a result- Inputs: job_id |
lookup_smtp_code | Explain a mail-server reply/error code (like 550 or 5.1.1) in plain English, and say whether it's a temporary hiccup or a permanent failure. No credit used. Available on the Qualisend Pro plan. Inputs: code |
verify_email | Verify a single email address — syntax, domain/MX, disposable + role detection, typo suggestion, and mailbox reachability. Returns a deliverability verdict (deliverable / risky / undeliverable / unknown). Consumes 1 credit. Inputs: email |
verify_emails | Verify up to 50 email addresses at once and get a deliverability verdict for each, synchronously. Consumes 1 credit per address. For larger lists (up to 1000), use verify_list. Inputs: emails |
verify_list | Verify a large list of up to 1000 email addresses. This runs ASYNCHRONOUSLY: it creates ONE bulk job, returns a job_id immediately, and the mailbox probes run in the background. Poll get_verification with the job_id for progress and a resul Inputs: emails |
Every block below points at https://app.qualisend.com/api/mcp. Pick your client and copy.
claude mcp add --transport http qualisend-email-verification https://app.qualisend.com/api/mcp
{
"mcpServers": {
"qualisend-email-verification": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://app.qualisend.com/api/mcp"]
}
}
}{
"mcpServers": {
"qualisend-email-verification": {
"url": "https://app.qualisend.com/api/mcp"
}
}
}{
"servers": {
"qualisend-email-verification": {
"type": "http",
"url": "https://app.qualisend.com/api/mcp"
}
}
}{
"context_servers": {
"qualisend-email-verification": {
"url": "https://app.qualisend.com/api/mcp"
}
}
}{
"mcpServers": {
"qualisend-email-verification": {
"serverUrl": "https://app.qualisend.com/api/mcp"
}
}
}{
"mcpServers": {
"qualisend-email-verification": {
"url": "https://app.qualisend.com/api/mcp"
}
}
}name: Qualisend Email Verification
version: 0.0.1
schema: v1
mcpServers:
- name: Qualisend Email Verification
type: streamable-http
url: https://app.qualisend.com/api/mcp{
"mcpServers": {
"qualisend-email-verification": {
"httpUrl": "https://app.qualisend.com/api/mcp"
}
}
}{
"mcpServers": {
"qualisend-email-verification": {
"type": "http",
"url": "https://app.qualisend.com/api/mcp"
}
}
}{
"mcpServers": {
"qualisend-email-verification": {
"url": "https://app.qualisend.com/api/mcp"
}
}
}goose://extension?url=https%3A%2F%2Fapp.qualisend.com%2Fapi%2Fmcp&type=streamable_http&id=qualisend-email-verification&name=Qualisend%20Email%20Verification
It answered our last check on 18 October 2026 in 162 ms. Over 10 checks since 5 September 2026 it answered 10. Status here comes from Neuronto's own probes, not from the publisher.
Yes. It is published by qualisend.com and served from app.qualisend.com, the vendor's own domain: https://app.qualisend.com/api/mcp.
12, as returned by the server's own tools/list on 31 August 2026: analyze_email_header, check_blacklist, check_disposable, check_domain, check_typo, generate_dns_record, get_credit_balance, get_verification, and 4 more.
It answered our last check on 18 October 2026 in 162 ms. Over 10 checks since 5 September 2026 it answered 10.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://app.qualisend.com/api/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: com.qualisend. Endpoint host: app.qualisend.com. ARD identifier: urn:air:com.qualisend:mcp:email-verification.
First indexed 31 August 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.