Domain Lookup MCP vs Filesystem

In-depth architectural comparison of the Domain Lookup MCP and Filesystem 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.

Which MCP Server Should You Choose?

Choose Domain Lookup MCP when:

• You need dedicated capabilities in the Other Tools and Integrations domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Domain lookup via RDAP protocol, WHOIS fallback for additional data, Standalone Go binary.

Explore Domain Lookup MCP Details

Choose Filesystem when:

• You need dedicated capabilities in the Other Tools and Integrations domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Secure file read and write operations, Configurable access control policies, Reference implementation for MCP file handling.

Explore Filesystem Details

Feature & Specification Comparison

Specification	Domain Lookup MCP dotemacs Other Tools and Integrations	Filesystem VerifiedOther Tools and Integrations
Summary	Domain name lookup service, first via RDAP and then as a fallback via WHOIS	Secure file operations with configurable access controls.
Category & Scope

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "dotemacs-domain-lookup-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "dotemacs-domain-lookup-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-memory"
      ]
    }
  }
}

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