"author:nexus-mcp-infra" matching MCP servers:

Semantic product search and price-intelligence API over Singapore e-commerce data. Computes auditable value-scores from Shannon entropy across vendor price distributions, with pay-per-call pricing via x402 (USDC) alongside Stripe.

Provides normalized search over public-sector tender notices from TED, covering Spain and the rest of the EU. Supports filtering by country, keyword, CPV prefix, and publication recency, returning tender details and related links.