A2A
An open protocol facilitating seamless communication and interoperability between opaque and agentic applications.
A2A is built in TypeScript, distributed under the Apache License 2.0, 18.7k GitHub stars, latest release v0.2.6.
When to use A2A
A2A is listed here as a API project. The directory calls out Enables interoperability between diverse applications, Open protocol for standardized communication, Facilitates integration with agentic applications as capabilities associated with it.
Besides API, this page also files A2A under Tools, Development.
A2A compared with
Records in this directory name OpenAPI, GraphQL as products people compare with A2A. That list is editorial metadata, not a claim that A2A replaces each of them.
What the A2A stats reflect
GitHub currently shows 18.7k GitHub stars, 1.9k forks, 72 open issues, latest tracked release v0.2.6. Star and activity counts here are a snapshot used as a proxy for community adoption, not a quality score.
Stats refreshed
- Language
- TypeScript
- Latest Release
- v0.2.6
- License
- Apache License 2.0
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Key features of A2A
- Enables interoperability between diverse applications
- Open protocol for standardized communication
- Facilitates integration with agentic applications
A2A resources
A2A on GitHub
Frequently asked questions
What is A2A?
An open protocol facilitating seamless communication and interoperability between opaque and agentic applications. This directory highlights Enables interoperability between diverse applications, Open protocol for standardized communication, Facilitates integration with agentic applications.
Is A2A free to use?
A2A is published as open source under the Apache License 2.0. The directory lists Enables interoperability between diverse applications, Open protocol for standardized communication, Facilitates integration with agentic applications among its recorded capabilities.
What language is A2A written in, and what is the latest release?
A2A is written primarily in TypeScript. The latest release tracked on this page is v0.2.6.
How widely is A2A used on GitHub?
A2A has about 18.7k GitHub stars. It also has about 1.9k forks. Those counts are a snapshot of community attention, not a ranking of quality.
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