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ue5-mcp

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Field manual for driving Unreal Engine 5.7 / 5.8 through MCP. Engine-level gotchas, silent-fail edges, crash patterns, and the call sequences that actually work — applicable regardless of which MCP server you're using (Epic's official ModelContextProtocol plugin, custom servers, or anything else). Auto-trigger when Unreal Engine MCP tools are detected in a session, or when the user mentions Unreal Engine, UE5, Blueprints, Niagara, MetaSound, materials, or any UE editor automation workflow. This skill contains hard-won knowledge from real debugging sessions — most entries trace back to an actual editor crash or hours-long faceplant. Ignoring it when UE5 MCP tools are present will lead to wasted time hitting known dead ends.

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47
Repository last updated
Oct 29, 2026
License
MIT

Observed agent integration: claude-code

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# ue5-mcp — Field manual for driving Unreal Engine 5 via MCP

Engine-level wisdom an LLM needs to drive UE5 through an MCP server without
faceplanting on UE's silent-fail edges. This skill is **server-agnostic**:
the gotchas, patterns, and identifiers documented here apply whether you're
connected to Epic's official `ModelContextProtocol` plugin (UE 5.8+) or any
other MCP server that exposes UE5 functionality.

What this skill *isn't*: a list of commands for any particular MCP server.
Each server publishes its own tool catalogue — ask the server with
`tools/list` for what it actually exposes. This skill covers what bites you
*after* you know the tool names.

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