What is the key difference between Creditcard and Phone?

Creditcard belongs to the Developer Tools category with cloud HTTP/SSE execution, while Phone belongs to the Developer Tools category with cloud HTTP/SSE execution.

How do I install Creditcard or Phone 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 Creditcard and Phone free or paid?

Creditcard operates under a Free / Open Source model (No auth required). Phone operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Creditcard lists 2 tools with 0 views and 0 GitHub stars. Phone lists 2 tools with 0 views and 0 GitHub stars.

Can I use both Creditcard and Phone 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

Creditcard vs Phone

In-depth architectural comparison of the Creditcard and Phone 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

Creditcard

Developer Tools · Remote HTTP/SSE

Quality: 48/100 (Fair) | Auth: No auth required

Phone

Developer Tools · Remote HTTP/SSE

Quality: 47/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Creditcard if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Phone 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 Creditcard 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: validate_card, check_luhn.

Explore Creditcard Details

Choose Phone 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: validate_phone, country_calling_codes.

Explore Phone Details

Feature & Specification Comparison

Specification	C Creditcard Developer Tools	P Phone Developer Tools
Summary	Credit-card number validation MCP.	Phone number validation MCP.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Creditcard Tools (2)

validate_card

Validate a credit/debit card number (keyless, offline): Luhn (mod-10) checksum, detected card network (Visa/Mastercard/Amex/Discover/JCB/Diners/UnionPay/Maestro), and whether the length is valid for that network. Spaces/dashes are ignored. NOTE: this checks the number is well-formed — it does NOT v…

check_luhn

Run a raw Luhn (mod-10) check-digit validation on any numeric string (cards, IMEI, national IDs, etc.). Returns whether the check digit is valid and what the correct check digit would be.

Phone Tools (2)

validate_phone

Validate & parse a phone number against the E.164 / ITU calling-code plan (keyless, offline). Detects the country, normalizes to E.164, and checks the national-number length is plausible. Pass an international number (e.g. "+33 1 23 45 67 89") OR a national number plus a `country` ISO code (e.g. ph…

country_calling_codes

Look up international calling (dialing) codes. With no args, lists all. Pass `query` to filter by country name, ISO code, or calling code (e.g. "germany", "DE", "49").

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).

Creditcard Configuration

mcpServers (Claude Desktop / Cursor)

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

Phone Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

More alternatives to Creditcard More alternatives to Phone Developer Tools category hub