What is the key difference between Email Verifier and Mailbuttons?

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

How do I install Email Verifier or Mailbuttons 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 Email Verifier and Mailbuttons free or paid?

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

Which MCP server has more tools and community activity?

Email Verifier lists 6 tools with 0 views and 0 GitHub stars. Mailbuttons lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Email Verifier and Mailbuttons 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.

How do I install Email Verifier or Mailbuttons in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Email Verifier and Mailbuttons free to use, or do they require API keys?

Email Verifier is listed under a Free / Open Source model with No auth required . Mailbuttons operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Email Verifier and Mailbuttons at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both email-verifier and mailbuttons-2 as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Email Verifier has a Quality Score of 56 /100 ( Good ) with 0 views, 0 installs, and 0 GitHub stars. Mailbuttons holds a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Email Verifier vs Mailbuttons

In-depth architectural comparison of the Email Verifier and Mailbuttons 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: 56/100 (Good) | Auth: No auth required

Mailbuttons

Communication · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Email Verifier if you need specialized Communication tools running via a local process. Choose Mailbuttons 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).
Primary tools included: verify_email, verify_emails, find_email.

Explore Email Verifier Details

Choose Mailbuttons 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).

Explore Mailbuttons Details

Feature & Specification Comparison

Specification	Email Verifier Communication	M Mailbuttons Communication
Summary	Verify email deliverability & find business emails (single or bulk) via the Verifox API.	Governed email for AI agents: sandbox inboxes, server-side policy gate, tamper-evident audit.
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Email Verifier Tools (6)

verify_email

1 / email

verify_emails

1 / email

find_email

10 / find

find_emails

10 / contact

get_credits

free

get_job

—

Mailbuttons Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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

mcpServers (Claude Desktop / Cursor)

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

Mailbuttons Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "mailbuttons-2": {
      "command": "npx",
      "args": [
        "-y",
        "mailbuttons-2"
      ]
    }
  }
}

Frequently Asked Questions

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

More alternatives to Email Verifier More alternatives to Mailbuttons Communication category hub