X402 Api Server vs Spraay X402 Mcp

In-depth architectural comparison of the X402 Api Server and Spraay X402 Mcp 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 X402 Api Server when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: 8 distinct DeFi data endpoints with fixed USDC prices, Micropayment enforcement via HTTP 402 and x402 protocol, No API keys or subscription requirements.

Explore X402 Api Server Details

Choose Spraay X402 Mcp when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: 183 pay-per-call tools spanning 33 categories including AI, payments, DeFi, and analytics, Supports USDC micropayments on Base with Solana, Ethereum, XRP, and Stellar rails, No API keys or accounts required; wallet auto-created or user-provided private key.

Feature & Specification Comparison

Specification	X402 Api Server fernsugi Finance & Fintech	Spraay X402 Mcp plagtech Finance & Fintech
Summary	Pay-per-call DeFi data API for AI agents via x402 micropayments (USDC on Base). 8 endpoints: price feeds, gas tracker, DEX quotes, whale tracker, yield scanner, funding rates, token scanner, wallet profiler. No API keys needed.	Pay-per-call onchain data, AI models, and batch USDC payments on Base via x402 micropayments. 9 tools including swap quotes, token prices, wallet balances, ENS resolution, and multi-recipient batch transfers.
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": {
    "fernsugi-x402-api-server": {
      "command": "npx",
      "args": [
        "-y",
        "@x402-api/mcp-server"
      ]
    }
  }
}

{
  "mcpServers": {
    "plagtech-spraay-x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "spraay-x402-mcp"
      ]
    }
  }
}

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