A2A
FreeAgent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.
FreeFree tier
About A2A
Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications. Licensed under Apache-2.0, it has garnered 23,817 stars on GitHub.
Key Features
Enables agent-to-agent communication
Open standard with Apache-2.0 license
Designed for interoperability between opaque agentic applications
Pros & Cons
Pros
- Open source and free under Apache-2.0 license
- Standardized protocol for agent interoperability
- Active community with 23,817 GitHub stars