"Node-RED" matching MCP connectors:

Screen a vendor, store, or group-buy for legitimacy: reputation, red flags, Reddit sentiment.

Verified cross-platform implementations of Owl Group Trading indicators as queryable code.

Open retro-gaming metadata catalog — 91,000 games, 99 systems. Box art, manuals, screenshots, gameplay previews. Free MCP + REST API.

Read AI search visibility, competitors, citations, prompts, and answer evidence from refd.

Puerto Rico & Colombia real estate: listings, sales, parcels, permits, analytics, AVM reports.

AI-to-AI petrol station. 56 pay-per-call endpoints covering market signals, crypto/DeFi, geopolitics, earnings, insider trades, SEC filings, sanctions screening, ArXiv research, whale tracking, and more. Micropayments in USDC on Base Mainnet via x402 protocol.

Research intelligence for AI coding agents. 2M+ CS papers with evidence and tradeoffs.