"Apache Spark" matching MCP connectors:

Onchain loyalty MCP on Base: programs, mint, rewards, vouchers for AI agents.

Free, public, read-only REST + Model Context Protocol server exposing real-time and historical DeFi liquidation telemetry for Aave, Morpho, Spark and Compound on Ethereum mainnet, plus block-builder market share data from the operator's own slot-by-slot shadow recorder.