What is the key difference between Precleared Contact Check and Emailmd?

Precleared Contact Check belongs to the Communication category with cloud HTTP/SSE execution, while Emailmd belongs to the Communication category with local stdio execution.

How do I install Precleared Contact Check or Emailmd 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 Emailmd free or paid?

Precleared Contact Check operates under a Free / Open Source model (No auth required). Emailmd 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. Emailmd lists 6 tools with 2 views and 1,380 GitHub stars.

Can I use both Precleared Contact Check and Emailmd 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 Emailmd

In-depth architectural comparison of the Precleared Contact Check and Emailmd 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

Emailmd

Communication · Local stdio

Quality: 59/100 (Good) | Auth: No auth required

Verdict Summary: Choose Precleared Contact Check if you need specialized Communication tools running via a hosted cloud SSE transport. Choose Emailmd 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 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 Emailmd 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: Markdown-to-email-safe HTML rendering, Plain-text email output, Deliverability linting.

Feature & Specification Comparison

Specification	P Precleared Contact Check Communication	Emailmd anypost Communication
Summary	Cold email compliance check for outreach agents: GDPR, PECR, CAN-SPAM, CASL verdict, signed receipt.	Write and preview emails from your assistant. Renders markdown into email-safe HTML that holds up in Outlook and Gmail, lints drafts for deliverability problems, and returns a live preview link. Hosted with no API key, or run it locally with npx emailmd mcp.
Category & Scope	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.

Emailmd Tools (6)

Markdown-to-email-safe HTML rendering

Plain-text email output

Deliverability linting

Emailmd syntax documentation lookup

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"
    }
  }
}

Emailmd Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "anypost-emailmd": {
      "command": "npx",
      "args": [
        "-y",
        "emailmd"
      ]
    }
  }
}

Frequently Asked Questions

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

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