Circle Agent Stack Open Source, Supports Multi-Framework AI Agent Integration with Wallets and USDC Payments

TechFlow News, July 11: According to an official announcement from Circle (@circle), Circle Agent Stack is now open source, enabling developers to add wallet, USDC payment, and on-chain operation capabilities to AI agents. It currently supports the following mainstream frameworks: OpenAI Agents SDK, Claude AI Agent SDK, LangChain, Mastra, Vercel AI SDK, and Google AI ADK. Developers can directly clone the sample code to get started quickly; the project is hosted on GitHub. This move is regarded by the industry as a significant advancement in AI agent payment layer infrastructure, expected to accelerate the large-scale adoption of Agentic AI.