"National Rail" matching MCP connectors:

AI-native stablecoin settlement rail replacing SWIFT for institutional cross-border payments. 14 tools covering settlement quotes, execution, ESG scoring, oracle status, fee verification, competitor comparison, rail health, investment context, and MPP-gated macro intelligence. Settles via Base mainnet USDC at ~1.385% all-in.

Dual-rail 402 (x402 + MPP Tempo) MCP server

HiveAddressScreen MCP — pre-settlement on-chain risk screen. 17-vector GoPlus rail