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Teams evaluating whether to build their own cloud agent infrastructure should weigh that Cognition spent over a year on hypervisor engineering alone — before tackling orchestration, governance, and integrations — suggesting the build-vs-buy calculus is far more demanding than high-profile posts from companies like Stripe imply.
Developers shipping multi-user agents on LangSmith can now enforce per-user data isolation and role-based permissions with roughly 40 lines of Python, eliminating the need for custom middleware or separate access-control infrastructure.