How I built a $0.37 agentic worker that plans, writes, checks, renders, and publishes marketing videos automatically, using LLMs, Remotion, and hard guardrails.

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I built an autonomous marketing worker that generates and publishes short-form videos for about $0.37 each. Three focused LLM agents handle ideation, selection, and scripting, while deterministic guardrails, fixed Remotion templates, and staged publishing keep costs, quality, and brand risk under control.