Agent finance on institutional rails — MPP payments, USDCx transfers, MCP server, CLI
Caypo is an early-stage TypeScript project in the AI payments / x402 ecosystem, focused on ai-agents, blockchain, canton, machine-payments. It currently has 1 GitHub stars and 0 forks, and sits alongside related tools like piprail, moltpe-agent-payments, MPP-Inspector.
x402 (HTTP 402 Payment Required) SDK + MCP server: let any API charge for itself and any AI agent pay for itself, USDC & stablecoins across EVM, Solana & 8 more chain families, in a couple of lines. Backendless, no fee, self-custodial, paid straight to your wallet. TypeScript, MIT.
Payment infrastructure for AI agents. Reference implementation: x402 + MPP + fiat.
A CLI tool and web dashboard for inspecting, testing, and debugging Machine Payments Protocol flows. Think "Postman for HTTP 402" — it visualizes the full challenge-response-receipt cycle, simulates payment failures, validates receipt signatures, benchmarks session channels, and generates test reports.