What is the key difference between MailProbe and Email Verifier?

MailProbe belongs to the Communication category with local stdio execution, while Email Verifier belongs to the Communication category with local stdio execution.

How do I install MailProbe or Email Verifier in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are MailProbe and Email Verifier free or paid?

MailProbe operates under a Free / Open Source model (No auth required). Email Verifier operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

MailProbe lists 2 tools with 0 views and 0 GitHub stars. Email Verifier lists 6 tools with 1 views and 0 GitHub stars.

Can I use both MailProbe and Email Verifier together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

MailProbe vs Email Verifier

In-depth architectural comparison of the MailProbe and Email Verifier 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

MailProbe

Communication · Local stdio

Quality: 51/100 (Good) | Auth: No auth required

Email Verifier

Communication · Local stdio

Quality: 55/100 (Good) | Auth: No auth required

Verdict Summary: Choose MailProbe if you need specialized Communication tools running via a local process. Choose Email Verifier 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 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.

Explore MailProbe Details

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.

Explore Email Verifier Details

Feature & Specification Comparison

Specification	M MailProbe Communication	Email Verifier Communication
Summary	Verify email addresses in real time: deliverability, disposable and role addresses, typo fixes.	Verify email deliverability & find business emails (single or bulk) via the Verifox API.
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

MailProbe Tools (2)

verify_emails

Verifies 1 to 20 addresses and returns one result per address, in the order given: `status` (`valid`, `invalid`, `risky` or `unknown`), a `score` from 0 to 100, the `reason` of a verdict that is not plainly deliverable, the `disposable`, `role_based`, `free_provider` and `catch_all` flags, and `did…

get_credits

Returns the credits left on the account of the API key

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.

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).

MailProbe Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "mailprobe": {
      "command": "npx",
      "args": [
        "-y",
        "mailprobe-mcp"
      ],
      "env": {
        "MAILPROBE_API_KEY": "YOUR_MAILPROBE_API_KEY_HERE"
      }
    }
  }
}

Email Verifier Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "email-verifier": {
      "command": "npx",
      "args": [
        "-y",
        "verifox-mcp"
      ],
      "env": {
        "VERIFOX_API_KEY": "YOUR_VERIFOX_API_KEY_HERE"
      }
    }
  }
}

Frequently Asked Questions

MailProbe is categorized under Communication and uses a local stdio subprocess. In contrast, Email Verifier belongs to Communication using local stdio subprocess. Select MailProbe when you need capabilities focused on communication and Email Verifier when you require tools for communication.

More alternatives to MailProbe More alternatives to Email Verifier Communication category hub Canonical compare URL