A curated collection of open source fintech libraries and resources.
awesome-fintech is an established project in the AI payments / x402 ecosystem, focused on agentic, banking, fintech, mcp. It currently has 351 GitHub stars and 127 forks, and sits alongside related tools like sardis, moltpe-agent-payments, mcp-dev-latam.
The open authority layer + SDKs for AI-agent payments. Thin Python/TS clients, an MCP server, framework adapters (LangChain/CrewAI/Hermes/OpenClaw/…), and @sardis/reference — a pure policy simulator + AP2/TAP/x402 verifiers showing exactly how Sardis decides if an agent may spend. The hosted engine that moves money is private.
Payment infrastructure for AI agents. Reference implementation: x402 + MPP + fiat.
Open-source MCP servers for Latin American commerce — Pix, NF-e, banking, fiscal, logistics, and messaging across Brazil, Mexico, Argentina, Colombia, Chile, and Peru. MIT, on npm.