"Stack Overflow" matching MCP connectors:

Remote MCP for Living Stack offer discovery and buyer-authorized checkout preparation.

Pay less for x402 APIs: free pre-payment checks, cheapest working service finder, web/PDF reader.

Indicative pricing, coverage and stack design for high-risk and crypto payment infrastructure.

x402-paid agent tools: 18 over HTTP, 14 over stdio. USDC per call, no API key.

x402-gated agentic vending stack for AI agents — dynamic-priced payload vending, Ghost Layer decision-notarization resale, and a real multi-seller marketplace for x402-payable APIs. Base/USDC + XRPL/RLUSD settlement.

Outcome-based infrastructure for agents — verified AWS deployments, metered billing