Unreal MCP Server
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PIE Control
Drive Play-In-Editor from your AI agent — start, pause, step frames, send input, capture screenshots, and read back runtime errors. The closed-loop development primitive new in v3.
Agent Ergonomics
Structured errors, did-you-mean fuzzy suggestions, dry-run, multi-call transactions, working set, and capability hints — the v3 features that make agents productive instead of fragile.