a2a-proof is an open-source CLI tool for performing black-box contract tests on agent-to-agent (A2A) systems. It helps developers validate that their agents comply with expected contracts and behaviors, improving reliability and interoperability. Ideal for teams building or maintaining agent-based architectures.
In the Testing & QA space, a2a-proof takes a focused approach. It focuses on ensuring reliability and contract compliance in agent-to-agent (A2A) systems through automated black-box testing. a2a-proof is an open-source project aimed at developers working with agent-based systems. The project is open source (MIT). It runs on the command line.
Behind a2a-proof is aspix2k, and it first shipped in 2026. Development happens publicly on GitHub with 10 commits in the last 90 days. Key capabilities include black-box testing, contract validation, and A2A agent support.
Summary written by a language model from the project’s public pages.
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