AJX open-source agent usability testing tool
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Developer royosherove released the open-source tool AJX, consisting of a skill and a command-line tool (CLI), used to test where AI agents get stuck when using websites, CLIs, SDKs, APIs, or developer tools, and to record elapsed time, retry counts, and token usage, and generate reports. The runtime requires macOS or Linux, Bash, and curl; trying it out does not require your own project or a GitHub login. However, running a real test also requires an authenticated worker and reporter.
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- Hacker News AIShow HN: AJX – Find out where AI agents get stuck using your product
AJX is an open-source skill and CLI for agent usability testing that lets you test how AI agents use your website, CLI, SDK, API, or developer tool, recording the attempt, checking the result, and showing where the product made the task harder. It reports elapsed time, retries, and token usage where the harness exposes it, and produces a report connecting each proposed product change to supporting events plus a timeline of forks, blocks, waits, and recoveries. It supports local or Docker execution, comparison across harnesses and models, and CI runs via `ajx ci` that write JSON and JUnit results.
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