What is the key difference between Precleared Contact Check and Email Spam Tester?

Precleared Contact Check belongs to the Communication category with cloud HTTP/SSE execution, while Email Spam Tester belongs to the Communication category with cloud HTTP/SSE execution.

How do I install Precleared Contact Check or Email Spam Tester 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 Precleared Contact Check and Email Spam Tester free or paid?

Precleared Contact Check operates under a Free / Open Source model (No auth required). Email Spam Tester operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Precleared Contact Check lists 2 tools with 0 views and 0 GitHub stars. Email Spam Tester lists 4 tools with 6 views and 2 GitHub stars.

Can I use both Precleared Contact Check and Email Spam Tester 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

Precleared Contact Check vs Email Spam Tester

In-depth architectural comparison of the Precleared Contact Check and Email Spam Tester 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

Precleared Contact Check

Communication · Remote HTTP/SSE

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

Email Spam Tester

Communication · Remote HTTP/SSE

Quality: 82/100 (Excellent) | Auth: No auth required

Verdict Summary: Choose Precleared Contact Check if you need specialized Communication tools running via a hosted cloud SSE transport. Choose Email Spam Tester if your workspace requires Communication integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Precleared Contact Check 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).
You have access to required keys: PRECLEARED_API_KEY, PRECLEARED_API_BASE, PRECLEARED_TIMEOUT_MS.
Primary tools included: contact_check, verify_receipt.

Explore Precleared Contact Check Details

Choose Email Spam Tester 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: get_test_address, wait_for_report, get_report.

Feature & Specification Comparison

Specification	P Precleared Contact Check Communication	Email Spam Tester VerifiedCommunication
Summary
Category & Scope	Communication	Communication

Tools & Capabilities Breakdown

Precleared Contact Check Tools (2)

contact_check

Takes a recipient email or domain, your sender country (GB or US), the pitch and where the address came from. Returns `verdict` (ok_to_email, consent_needed, blocked or unknown), `confidence`, the rule quoted with its source, `footer_text` (what the email's footer must include, not wording to paste…

verify_receipt

Takes a receipt id and returns the receipt with its hashes, Ed25519 signature and public key.

Email Spam Tester Tools (4)

get_test_address

Reserve a single-use address to send a draft email to, for a full check. Returns the address and the URL its report will appear at. The address accepts exactly one message and expires after an hour. The email has to be sent by the person, from the platform or mailbox they really send from: half the checks read what that platform adds. The report covers 42 checks (SPF, DKIM, DMARC, reverse DNS, TLS, blocklists, content, links, the Gmail and Yahoo bulk-sender rules) and a plan of what to fix. lang is decided now because the message arrives minutes later over SMTP, which carries no hint of who is waiting for it. What wait_for_report returns quotes check lines in English whatever it is set to; the person following report_url sees their own language.

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).

Precleared Contact Check Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "precleared-contact-check": {
      "url": "https://precleared.dev/mcp"
    }
  }
}

Email Spam Tester Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "email-spam-tester": {
      "url": "https://email-spam-tester.com/mcp"
    }
  }
}

Frequently Asked Questions

Precleared Contact Check is categorized under Communication and uses a remote streaming HTTP/SSE transport. In contrast, Email Spam Tester belongs to Communication using remote streaming HTTP/SSE transport. Select Precleared Contact Check when you need capabilities focused on communication and Email Spam Tester when you require tools for communication.

More alternatives to Precleared Contact Check More alternatives to Email Spam Tester Communication category hub Canonical compare URL