a2aproject / a2a-go

A2A Go SDK A Go library for running agentic applications as A2A Servers, following the Agent2Agent (A2A) Protocol . --- ✨ Features • **A2A Protocol Compliant:** Build agentic applications that adhere to the Agent2Agent (A2A) Protocol. • **Extensible:** Easily add support for different communication protocols and database backends. --- 🚀 Getting Started Requires Go or newer: Visit **pkg.go** for a full documentation. 📦 Versioning The first two digits of a release version are reserved for the version of the A2A Protocol Spec which the release implements. The third digit is SDK API Minor version which gets incremented for patches or minor API changes. Major breaking SDK API changes increment the version suffix in the module ID. 💡 Examples For a simple example refer to the helloworld example. Server For a full documentation visit **pkg.go.dev/a2asrv**. • Create a transport-agnostic A2A request handler: • Wrap the handler into a transport implementation: • Register handler with a server, for example: Client For a full documentation visit **pkg.go.dev/a2aclient**. • Resolve an to get an information about how an agent is exposed. • Create a transport-agnostic client from the : • The connection is now open and can be used to send requests to a server: --- 🌐 More Examples You can find a variety of more detailed examples in the a2a-samples repository. --- 🤝 Contributing Contributions are welcome! Please see the CONTRIBUTING.md file for guidelines on how to get involved. Before starting work on a new feature or significant change, please open an issue to discuss your proposed approach with the maintainers. This helps ensure your contribution aligns with the project's goals and prevents duplicated effort or wasted work. --- 📄 License This project is licensed under the Apache 2.0 License. See the LICENSE file for more details.