QR Code Generator API vs NFT Metadata API

In-depth architectural comparison of the QR Code Generator API and NFT Metadata API 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 QR Code Generator API when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: utility_generate_qr_code, data, size.

Explore QR Code Generator API Details

Choose NFT Metadata API when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: crypto_get_nft_metadata, contract, tokenId.

Explore NFT Metadata API Details

Feature & Specification Comparison

Specification	QR Code Generator API Finance & Fintech	NFT Metadata API Finance & Fintech
Summary	Generate QR codes from text or URLs. Returns base64 PNG. x402 micropayment.	Fetch NFT metadata — name, image, traits from contract+tokenId. x402 micropayment.
Category & Scope	Finance & Fintech	Finance & Fintech

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": {
    "qr-code-generator-api": {
      "url": "https://qr-code.api.klymax402.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "nft-metadata-api": {
      "url": "https://nft-metadata.api.klymax402.com/mcp"
    }
  }
}

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