Test-Case Generator That Thinks Like a Mutation Tester

ProAny assistantcode5 min

Writes tests for a function and states which bug each test would catch, then tries to mutate the code mentally to find tests that would still pass.

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Interviews you about a task you want automated, then drafts a complete agent spec and system prompt with tools, guardrails and tests.

4 min read

Designs safe retry, timeout and rate-limit behavior for API clients, covering idempotency, backoff with jitter and what must never be retried.

8 min read+ script

Pulls out the hidden assumptions behind a plan or belief, rates the risk if each is wrong and proposes cheap tests to check them.

4 min read