What is the key difference between Domains and Federal Register?

Domains belongs to the Developer Tools category with cloud HTTP/SSE execution, while Federal Register belongs to the Developer Tools category with cloud HTTP/SSE execution.

How do I install Domains or Federal Register 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 Domains and Federal Register free or paid?

Domains operates under a Free / Open Source model (No auth required). Federal Register operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Domains lists 5 tools with 0 views and 0 GitHub stars. Federal Register lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Domains and Federal Register 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

Domains vs Federal Register

In-depth architectural comparison of the Domains and Federal Register 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

Domains

Developer Tools · Remote HTTP/SSE

Quality: 53/100 (Good) | Auth: No auth required

Federal Register

Developer Tools · Remote HTTP/SSE

Quality: 39/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Domains if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Federal Register if your workspace requires Developer Tools integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Domains when:

You need dedicated capabilities in the Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: domain_lookup, domain_status, check_availability.

Explore Domains Details

Choose Federal Register when:

You need dedicated capabilities in the Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Federal Register Details

Feature & Specification Comparison

Specification	D Domains Developer Tools	F Federal Register Developer Tools
Summary	Domains MCP — Domainsdb.info API (free, no auth)	Federal Register MCP — US Federal Register API (free, no auth)
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Domains Tools (5)

domain_lookup

Get full registration details for a domain. Returns registrar, registrant, registration/expiration dates, nameservers, DNSSEC status, and domain status flags. Works for any TLD.

domain_status

Quick check if a domain is registered or available. Returns registration status and expiration date if registered.

check_availability

Check whether a name is available to register across MULTIPLE TLDs at once — the domain-hunting tool. Pass a base name ("acme") and get .com/.io/.ai/.co/.net/.org/.app/.dev checked in one call (or pass your own tlds list). For each: available true/false (+ expiration if taken). Use for "is X availa…

find_available_domains

Search for AVAILABLE domain names to register from a keyword — the domain name search / brainstorming tool. Pass a keyword ("acme") and get back which domains are actually free to register: the exact name across .com/.io/.ai/.co/.app/.dev, plus creative variations (getacme.com, acmehq.com, tryacme.…

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).

Domains Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "domains": {
      "url": "https://pipeworx.io"
    }
  }
}

Federal Register Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "federal-register": {
      "url": "https://pipeworx.io"
    }
  }
}

Frequently Asked Questions

Domains is categorized under Developer Tools and uses a remote streaming HTTP/SSE transport. In contrast, Federal Register belongs to Developer Tools using remote streaming HTTP/SSE transport. Select Domains when you need capabilities focused on developer tools and Federal Register when you require tools for developer tools.

More alternatives to Domains More alternatives to Federal Register Developer Tools category hub