tweet - qa skill allowed parallel scaling - 2026-03

https://x.com/garrytan/status/2033623984768426219?s=20

/qa skill in GStack was a big unlock for me, let me go from 6 to 12 workers simultaneous because once Claude Code could use websites fast (200ms per req) the black box test/fix cycle could happen on its own and I could check in on it.
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unlocking very parallel development