What is the key difference between Email Verification MCP and Inbox Zero?

Email Verification MCP belongs to the Communication category with cloud HTTP/SSE execution, while Inbox Zero belongs to the Communication category with local stdio execution.

How do I install Email Verification MCP or Inbox Zero 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 Verification MCP and Inbox Zero free or paid?

Email Verification MCP operates under a Free / Open Source model (No auth required). Inbox Zero operates under a Freemium model (OAuth 2.0).

Which MCP server has more tools and community activity?

Email Verification MCP lists 6 tools with 0 views and 0 GitHub stars. Inbox Zero lists 6 tools with 1 views and 11,944 GitHub stars.

Can I use both Email Verification MCP and Inbox Zero 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 Verification MCP or Inbox Zero 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 Verification MCP and Inbox Zero free to use, or do they require API keys?

Email Verification MCP is listed under a Free / Open Source model with No auth required . Inbox Zero operates under a Freemium model with OAuth 2.0 . 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 Verification MCP and Inbox Zero at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both email-verification-mcp and elie222-inbox-zero 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 Verification MCP has a Quality Score of 51 /100 ( Good ) with 0 views, 0 installs, and 0 GitHub stars. Inbox Zero holds a Quality Score of 57 /100 ( Good ) with 1 views, 0 installs, and 11,944 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Email Verification MCP vs Inbox Zero

In-depth architectural comparison of the Email Verification MCP and Inbox Zero 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 Verification MCP

Communication · Remote HTTP/SSE

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

Inbox Zero

Communication · Local stdio

Quality: 57/100 (Good) | Auth: OAuth 2.0

Verdict Summary: Choose Email Verification MCP if you need specialized Communication tools running via a hosted cloud SSE transport. Choose Inbox Zero 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 Verification MCP when:

You need dedicated capabilities in the Communication domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: lead_quality_score, batch_lead_score, verify_email.

Explore Email Verification MCP Details

Choose Inbox Zero when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: OAuth 2.0 (Freemium).
You have access to required keys: GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, MICROSOFT_CLIENT_ID, MICROSOFT_CLIENT_SECRET, GOOGLE_BASE_URL, MICROSOFT_BASE_URL.
Primary tools included: AI personal assistant for inbox organization and reply drafting, Natural language AI rules for custom email handling, Reply Zero tracking for reply and follow-up management.

Feature & Specification Comparison

Specification	E Email Verification MCP Communication	Inbox Zero elie222 Communication
Summary
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Email Verification MCP Tools (6)

lead_quality_score

Score one B2B lead 0-100 (A-F) from email deliverability + domain credibility, with signals + a recommendation

batch_lead_score

Score a batch of leads, ranked best-first, with a grade distribution

verify_email

Single-address deliverability + quality signals (MX, disposable, role, free, domain age)

batch_verify

Verify an array of addresses (volume play)

daily_brief

Curated daily verification-activity brief

mint_info

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 Verification MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "email-verification-mcp": {
      "url": "https://mint.foundrynet.io/feed"
    }
  }
}

Inbox Zero Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "elie222-inbox-zero": {
      "command": "npx",
      "args": [
        "-y",
        "@inbox-zero/cli"
      ],
      "env": {
        "GOOGLE_CLIENT_ID": "YOUR_GOOGLE_CLIENT_ID_HERE",
        "GOOGLE_CLIENT_SECRET": "YOUR_GOOGLE_CLIENT_SECRET_HERE",
        "MICROSOFT_CLIENT_ID": "YOUR_MICROSOFT_CLIENT_ID_HERE",
        "MICROSOFT_CLIENT_SECRET": "YOUR_MICROSOFT_CLIENT_SECRET_HERE",
        "GOOGLE_BASE_URL": "YOUR_GOOGLE_BASE_URL_HERE",
        "MICROSOFT_BASE_URL": "YOUR_MICROSOFT_BASE_URL_HERE"
      }
    }
  }
}

Frequently Asked Questions

Email Verification MCP is categorized under Communication and uses a remote streaming HTTP/SSE transport. In contrast, Inbox Zero belongs to Communication using local stdio subprocess. Select Email Verification MCP when you need capabilities focused on communication and Inbox Zero when you require tools for communication.

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