Agent harnesses are heading toward vertical integration, argues 0xblacklight

HankYeomans · x · 2026-11-12

0xblacklight argues (amplified by Hank Yeomans) that the new trend in agent harnesses will be vertical integration — "harness-defined infrastructure."

The thesis: agent harnesses, orchestration patterns, and infrastructure concerns (like sandboxes) are collinear. Schedules, triggers, event ingestion and sandboxes are infra concerns that the harness and orchestration layer need to have opinions about, rather than outsourcing to cloud providers — suggesting agent frameworks will sink into the infrastructure layer much like Kubernetes did.

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