io.github.conaman/unreal-mcp-ue4
unreal-mcp-ue4
UE4.27 MCP server for controlling Unreal Editor sessions over Python Remote Execution.
alive probed 2026-10-14
34tools
7.4ktokens in Claude Opus 5.5
8.0ktokens in Claude Code
3.7 %of a 200k context window
4.0ko200k_base estimate
289 msto initialize
10 msto list tools
- Run it
- npx -y unreal-mcp-ue4@2026.4.1-2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- UnrealMCP-UE4 2026.4.1-2
- Capabilities
- resources, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/conaman/unreal-mcp-ue4
- Website
- https://github.com/conaman/unreal-mcp-ue4
- Registry
- active, updated 2026-03-31 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| editor_create_object | 464 | 12 % |
| editor_update_object | 454 | 11 % |
| editor_delete_object | 152 | 4 % |
| manage_widget | 132 | 3 % |
| manage_tools | 107 | 3 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.conaman/unreal-mcp-ue4)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.