gsd-verifier

Specialist sub-agent run sequentially after execution by gsd-execute-phase. “Performs a goal-backward analysis” — working back from the phase goal to confirm the built code actually satisfies its requirements.

Distinct from gsd-verify-work, the human-in-the-loop UAT command: gsd-verifier is an automated code-level check inside the Execute phase, whereas /gsd-verify-work is conversational acceptance testing on the running feature.

See Also

• gsd-executor — produces the code this verifies.
• gsd-verify-work — the UAT-stage counterpart.
• openspec-verify — OpenSpec’s spec-backward validator; nearest cross-framework analogue.