PromptQL's year deploying company brains: one wiki, scoped files, no silent agent writes
AI Engineer · youtube · 2026-09-03
PromptQL cofounder Tanmai Gopal (previously of the Hasura GraphQL engine) recounts a year deploying an early company brain across 15-20 organizations, from AI-native startups to Fortune 100 banks; their own brain now holds 5,000 linked pages.
A rising edit curve is health: he expected a burst of enthusiasm then neglect, but daily edits kept climbing—systems people trust get taught more, and each new skill (querying, interpreting, acting) adds its own steady rate of correction.
The leak problem: he dismisses two common fixes—nobody writes shared skills in GitHub for strangers, and a team brain that saves its own memory is just another silo.
Their answer: one companywide wiki of linked markdown files with per-file read/write scoping; agents can never write silently—they propose facts and scopes, a human approves, and every change carries a name so any leak has an owner. For multiplayer incident debugging, credentials never sit in the sandbox; they are injected per user at the HTTP and SQL layers.
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