Add DeriveAI x402 APIs (17 tools, pay-per-request via x402)

[deriveit33z-ship-it]

New MCP Server: DeriveAI x402 APIs

URL: https://x402-apis-eta.vercel.app/api/mcp
Transport: Streamable HTTP
Tools: 17

Highlights:

• Entity Due Diligence Report ($0.50) — WHOIS, SSL, sanctions, web archive, trust scoring
• Gulf Arabic NLP (sentiment analysis, Arabizi transliteration, dialect detection)
• Email verification, currency conversion, profanity filter, legal simplifier
• Web scraping (basic + structured), crypto data, weather, gold prices, prayer times, screenshots

Payment:

All tools use x402 protocol (USDC on Base mainnet). No API keys or accounts needed.

Config:

{
  "mcpServers": {
    "derive": {
      "url": "https://x402-apis-eta.vercel.app/api/mcp"
    }
  }
}

Tested:

• MCP initialize handshake: ✓
• tools/list returns 17 tools: ✓
• All endpoints return proper 402 payment challenges: ✓

[LuuOW]

Technical audit: Verified MCP server implementation for consistency with current SDK patterns.