Use when designing or generating tests for new code, fixes, or refactors. Dispatched primarily by the test-first skill. Produces test code with red→green discipline, targeting unit-first coverage and explicit failure-mode cases.
$curl -o .claude/agents/tester.md https://raw.githubusercontent.com/duthaho/claudekit/HEAD/agents/tester.mdInstalls into the current project.
Install tester by running `curl -o .claude/agents/tester.md https://raw.githubusercontent.com/duthaho/claudekit/HEAD/agents/tester.md`, then use it for the current task and follow its documentation at https://github.com/duthaho/claudekit.