Connect Claude Code, Cursor, Windsurf, Claude Desktop, VS Code (Copilot), Antigravity, OpenCode, or any MCP-compatible AI agent directly to the Unreal Engine 5.7 Editor.
The v4 release ships 378 editor tools across 54 categories, plus 15 context resources and 14 workflow prompts via JSON-RPC 2.0 over Streamable HTTP — turning your AI assistant into a true co-developer for level building, gameplay scripting, cinematics, VFX, audio, networking, animation, UI, source control, automated testing, runtime debugging, modeling, material layers, Chaos destruction, and MetaHumans.
What’s New in v4 (vs v3) v4 is the agent-native release — rebuilt around how AI agents actually work. Same workflow, far cheaper context, far safer multi-step editing.
Catalog mode (default) — ~95% less agent context
tools/list returns 4 discovery meta-tools + ~30 core tools (~3K tokens) instead of all 378 schemas (~60K tokens). Agents discover the rest on demand via search_tools, list_tool_categories, and get_tool_schemas. Everything stays callable. Set ToolExposureMode = Full for the old behavior.
run_tool_script — multi-step programs as one transaction
Sequential tool calls with result references (save_as / “$var.field”) and foreach loops, executed in ONE editor transaction (all-or-nothing, rolled back on first failure). A 24-actor level blockout becomes a single call and a single Ctrl+Z — killing the N-round-trip problem for batch work.
Background tasks — long ops no longer block
Long-running tools (lighting/nav builds, fracture, remesh, PCG execute, fal.ai generation, automation runs) return {task_id, status: “working”} after a 3s grace window. Poll get_task_status for progress, abort with cancel_task, enumerate with list_tasks. Implemented as tools, so every MCP client works without capability negotiation. etc
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Filename:UnrealMCPServerUE57_v2.0.2 vfxMed.7z [24.8 MB]
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