A side-by-side look at the Email Verification API and Qualisend Email Verification MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Email Verification API for communication work over a hosted endpoint; choose Qualisend Email Verification for communication. You can also run both side by side in one mcpServers block.
email_verify_address, email_verify_batch, email.Rows where the two servers differ are marked.
| Spec | Q Qualisend Email Verification | |
|---|---|---|
| Category | Communication | Communication |
| Quality signal | 48/100 · Fair | 37/100 · Fair |
| Install command | Confirmed | Not confirmed yet |
| Transport | Remote HTTP/SSE | — |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | — |
| Directory activity | 2 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 4 | Not listed |
| Full listing | View Email Verification API | View Qualisend Email Verification |
email_verify_addressVerify a single email addressemail_verify_batchVerify up to 100 email addresses in batchemailEmail address to verify (e.g. user@example.com)emailsArray of email addresses (max 100)No tool names declared yet. Check the project README from the listing page.
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
{
"mcpServers": {
"email-verification-api": {
"url": "https://email-verification.api.klymax402.com/mcp"
}
}
}
No confirmed install command for Qualisend Email Verification yet — follow the setup steps linked from its listing page rather than a guessed package name.