MoonPay has launched PayBox, a payment vault that works inside Claude and ChatGPT, enabling AI agents to prepare transactions on users’ behalf. Users can complete payments and move funds after passkey approval. The product stores crypto wallets and payment cards and supports token swaps, bridging and transfers to DeFi protocols such as Aave across Solana and Ethereum-compatible chains. It also supports the x402 open payments protocol and uses a security model combining multi-party computation and trusted execution environments.

Open-source technology MCP, used to connect AI applications, has received its biggest update since launch. The update focuses on revamping how request metadata is handled, strengthening authentication security and adding an extension framework. The new version adopts a stateless core that embeds metadata directly in requests, making it easier to scale during traffic spikes and simplifying recovery after server outages. It also reduces risks such as OAuth mix-up attacks and includes built-in extension libraries.