Snapshot Testing for Agent Tool Call Sequences
Catch silent agent failures by testing tool call sequences, not just final answers.
Staff Writer
Marcus began his career as a QA engineer and spent over a decade building regression suites for financial software before transitioning to writing about quality practices full-time. He is known for translating dense testing methodology into actionable guidance for engineering teams of all sizes.
5 stories
Catch silent agent failures by testing tool call sequences, not just final answers.
Testing the changed tool alone misses failures that surface steps away in the workflow chain.
Subtle memory changes compound silently across sessions, evading standard tests.
Standard monitoring misses agentic loops because they return 200 while spinning endlessly.
Freeze production traces to test LLM agent changes without rerunning the entire system.