Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
Structured product data from the open web — Schema.org + AI extraction for e-commerce enrichment. Pay per call via Stripe. shopgraph.dev
AI agent service marketplace with x402 micropayments (USDC on Base). 30 tools for browsing services, purchasing, managing conversation threads, listing services as a provider, handling subscriptions, and tracking earnings. Install via npx -y @the402/mcp-server.