Side-by-Side Model Context Protocol Comparison
Email Verifier vs MailProbe
In-depth architectural comparison of the Email Verifier and MailProbe MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Email Verifier
Communication · Local stdio
Quality: 55/100 (Good) | Auth: No auth required
MailProbe
Communication · Local stdio
Quality: 51/100 (Good) | Auth: No auth required
Verdict Summary: Choose Email Verifier if you need specialized Communication tools running via a local process. Choose MailProbe if your workspace requires Communication integration with local subprocess execution. Both servers can be configured concurrently in your client's
mcpServers manifest.Which MCP Server Should You Choose?
Choose Email Verifier when:
- You need dedicated capabilities in the Communication domain.
- You prefer local stdio subprocess transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- You have access to required keys:
VERIFOX_API_KEY. - Primary tools included: verify_email, verify_emails, find_email.
M
Choose MailProbe when:
- You need dedicated capabilities in the Communication domain.
- You prefer local stdio subprocess transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- You have access to required keys:
MAILPROBE_API_KEY. - Primary tools included: verify_emails, get_credits.
Feature & Specification Comparison
Tools & Capabilities Breakdown
Email Verifier Tools (6)
verify_email
Verify whether ONE email address is deliverable. Checks syntax, MX, SMTP, catch-all, disposable, free-provider and role detection, and returns a 0-100 quality score. Charges 1 Fox Credit per uncached email.
verify_emails
Bulk-verify a LIST of email addresses. Submits the whole list, waits for completion, and returns one result per email (same fields as verify_email). Best for cleaning lead lists. Charges 1 Fox Credit per email. Large lists that don't finish quickly return a jobId to poll with get_job.
find_email
Find ONE person's business email from their name and company domain. Generates ~50 permutations and SMTP-verifies each, waits for the result, and returns the best match (or not_found). Charges 10 Fox Credits per find.
find_emails
Bulk-find business emails for a LIST of contacts (name + company domain each). Submits the list, waits for completion, and returns the found email per contact. Up to 1000 contacts. Charges 10 Fox Credits per contact. Large lists that don't finish quickly return a jobId to poll with get_job.
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Email Verifier Configuration
MailProbe Configuration