What is the key difference between MAILTYPE — Email Domain Capability Intelligence and Threadline MCP?

MAILTYPE — Email Domain Capability Intelligence belongs to the Communication category with cloud HTTP/SSE execution, while Threadline MCP belongs to the Communication category with local stdio execution.

How do I install MAILTYPE — Email Domain Capability Intelligence or Threadline MCP 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 MAILTYPE — Email Domain Capability Intelligence and Threadline MCP free or paid?

MAILTYPE — Email Domain Capability Intelligence operates under a Free / Open Source model (No auth required). Threadline MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

MAILTYPE — Email Domain Capability Intelligence lists 0 tools with 0 views and 0 GitHub stars. Threadline MCP lists 0 tools with 1 views and 77 GitHub stars.

Can I use both MAILTYPE — Email Domain Capability Intelligence and Threadline MCP 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.

MAILTYPE — Email Doma… vs Threadline MCP

MAILTYPE — Email Doma… vs Threadline MCP | AllMCPs

Feature & Specification Comparison

Specification	M MAILTYPE — Email Domain Capability Intelligence Communication	Threadline MCP Communication
Summary	Email-domain intelligence: MX capability, provider, disposable status, SPF, DMARC, and MTA-STS.	Agent-to-agent messaging relay. Discover agents, send messages, and receive replies. Zero-config.
Category & Scope	Communication	Communication
Quality signal	40/100 (Fair)	49/100 (Fair)
Transport Protocol	Remote HTTP/SSE	Local Subprocess (stdio)
Auth Requirement	No auth required	No auth required
Pricing Model	Free / Open Source	Free / Open Source
Required Env Vars	None required	None required
Compatible Clients	Claude DesktopCursorWindsurfClineVS Code	Claude DesktopCursorWindsurfClineVS Code
Install path signal	`Remote (HTTP/SSE) · high`	`npx · high`
Engagement & Health	0 views 0 copies 0 upvotes 0 stars	1 views 0 copies 0 upvotes 77 stars
Verified / Official	Community Listing	Community Listing
Open full listing	View MAILTYPE — Email Domain Capability Intelligence Listing	View Threadline MCP Listing

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).

MAILTYPE — Email Domain Capability Intelligence Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "mailtype-email-domain-capability-intelligence": {
      "url": "https://mailtype-api.onrender.com/docs"
    }
  }
}

Threadline MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "threadline-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "instar"
      ]
    }
  }
}

MAILTYPE — Email Domain Capability Intelligence vs Threadline MCP

At a Glance & Executive Verdict

Which MCP Server Should You Choose?

Choose MAILTYPE — Email Domain Capability Intelligence when:

Choose Threadline MCP when:

Feature & Specification Comparison

Tools & Capabilities Breakdown

MAILTYPE — Email Domain Capability Intelligence Tools (0)

Threadline MCP Tools (0)

Ready-to-Paste Client Configurations

Frequently Asked Questions

Related MCP Server Comparisons

Popular comparisons with MAILTYPE — Email Domain Capability Intelligence

Popular comparisons with Threadline MCP