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everything hits different at altitude.

i'm kasyap. founding engineer at brief (a16z speedrun), building the context layer that keeps ai agents from confidently shipping the wrong thing. these days i'm all-in on startup tech + business, and a little obsessed with why the same idea lands in one room and dies in the next. ms cs, umass amherst.

Kasyap Varanasi, San Francisco
kasyap varanasisan francisco · 2026

pick a tab up top ↑ — notes, people, work, path. home stays quiet on purpose.

01 now · san francisco
  • buildingbrief snapshots the decisions buried in your linear, slack & github into one queryable product graph, so your team and your agents stop building blind. backed by a16z speedrun. ai ships, brief navigates.
  • the proofagents with brief hit 95% decision-compliance (vs 46% on code alone) and 8/8 merge-ready tasks, at 68% lower cost per merge. numbers, not vibes.
  • intostartups, taste, and go-to-market. how good companies actually get built, not the linkedin version.
  • writingfield notes · one true, mostly-unknown thing a week. it's under the notes tab.
  • chewing onwhy the same pitch lands in one room and dies in the next.
02 today
fact of the day