X402 Merchant Check vs What Agents Buy

In-depth architectural comparison of the X402 Merchant Check and What Agents Buy 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 Merchant Check 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).

Explore X402 Merchant Check Details

Choose What Agents Buy 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).

Explore What Agents Buy Details

Feature & Specification Comparison

Specification	X402 Merchant Check Finance & Fintech	What Agents Buy Finance & Fintech
Summary	Pre-payment merchant trust checks for x402 agents on Base and Solana.	Independent measured reviews of x402 API sellers: pre-payment verdicts and accuracy grades.
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": {
    "x402-merchant-check": {
      "url": "https://gradientdecisions.com/privacy"
    }
  }
}

{
  "mcpServers": {
    "what-agents-buy-2": {
      "url": "https://whatagentsbuy.com)**"
    }
  }
}

Related MCP Server Comparisons