X402 Api Server vs X402 Mcp

In-depth architectural comparison of the X402 Api Server and 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: other (Free / Open Source).
• Primary tools included: x402 per-request USDC payments, Base mainnet payment support, Multi-chain gas tracking.

Explore X402 Api Server Details

Choose 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: Seven stateless MCP tools, Market coverage across major crypto tokens and exchanges, Cross-exchange CVD and whale activity analysis.

Explore X402 Mcp Details

Feature & Specification Comparison

Specification	X402 Api Server fernsugi Finance & Fintech	X402 Mcp tunedforai 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.	Real-time crypto market structure for AI agents — orderflow across 20 exchanges, 24 tokens. 9 tools: price/funding/OI snapshots, cross-exchange CVD with whale activity, 7yr OHLCV history with buy/sell flow, on-chain address risk. Free via MCP (@tunedforai/x402-mcp on npm) or pay-per-call in USDC on Base via x402 REST at x402.tunedfor.ai — no API key, no rate limits.
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": {
    "tunedforai-x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@tunedforai/x402-mcp"
      ]
    }
  }
}

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