Agent drives Unreal Engine via MCP: auto lighting, rendering and self-critique loop
HankYeomans · x · 2026-11-14
The author shares a fun hands-on run of driving Unreal Engine with the "Duo" agent. The screenshot shows a full workflow: the agent issues JSON-RPC calls to MCP tools like EditorActorToolset to make all lights movable and set manual exposure, captures the viewport, saves the render locally, then has a multimodal model self-critique the output (night exposure, neon text legibility, editor UI artifacts) and iterate. The status bar shows DeepSeek-V4-Pro under the hood, with live token usage and timing.
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