"Firefly III" matching MCP servers:

AI intelligence oracle + cross-border settlement rail. 10-layer Stability Oracle (climate, macro, FX, ESG, supply chain) with x402 pay-per-call data API. USDC/EURC settlement on Base at 1.385% all-in. GENIUS Act + MiCA + Basel III compliant.

Enables agents to vet merchants, create and verify USDC charges and invoices, assess trust and tokenized-asset authenticity, and manage provable books on Base, all non-custodially.