alDuncanson/Handler — A2A Protocol client and developer toolkit.

Description and use

alDuncanson/Handler is an open‑source client library and developer toolkit for the A2A (Application‑to‑Application) protocol, offering streamlined APIs for building interoperable services. It provides both frontend and backend components, enabling developers to quickly integrate A2A communication, handle messaging, authentication, and data serialization, and extend the protocol with custom logic. The project is positioned at the intersection of AI/ML, frontend, and backend development, making it a versatile foundation for intelligent, distributed applications.

Problem

alDuncanson/Handler helps connect AI assistants to real tools and data through a standard protocol.

Outcome

Medium: useful for prototypes or internal workflows, with dependency and maintenance checks before production.

Workflow

• connect AI agents to tools
• ship Model Context Protocol servers
• standardize integrations

Evidence

A2A Protocol client and developer toolkit.

Source