io.github.Codeturion/unreal-api-mcp

Unreal Engine API Documentation

Is the Unreal Engine API Documentation MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.

Accurate UE5 C++ API docs for AI agents. Prevents hallucinated signatures and includes.

alive probed 2026-11-14 · unchanged since 2026-10-27

5tools

928tokens in Claude Opus 5.5

0.5 %of Claude's 200k window

0.4×the median server

3.0 sto initialize

9 msto list tools

Run it: uvx unreal-api-mcp@0.3.1 (stdio, probed in a container with the network off)
Host: pypi.org
Reports itself as: unreal-api 1.30.0
Capabilities: experimental, prompts, resources, tools
Instructions: 196 characters
Of a 1M window: <0.1 % of a 1M context window
Count: 928 tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 998. The o200k_base estimate is 521. Counted again when the tool definitions change. Method.
Repository: https://github.com/Codeturion/unreal-api-mcp
Registry: active, updated 2026-10-11 · registry entry
Changes: 2 recorded, reachable in 2 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.78×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
search_unreal_api	289	162	31 %
get_function_signature	171	96	18 %
get_include_path	166	93	18 %
get_class_reference	160	90	17 %
get_deprecation_warnings	142	80	15 %

Other registry entries on pypi.org, the ones next to this name; all of them.

io.github.CodeLogicIncEngineering/codelogic-mcp-server · not found
Semantic Cache MCP io.github.CoderDayton/semantic-cache-mcp · alive
io.github.Codeturion/codesurface · needs mcp<2
Unity API Documentation io.github.Codeturion/unity-api-mcp · alive
io.github.CogitatorTech/omni-nli · not probed
Agent Coherence — Stale Write Guard (FS) io.github.Cohexa-ai/stale-write-guard-fs · crashed on start
io.github.ColinHughes2121/gocreative-wedge-mcp · needs mcp<2
YApi MCP io.github.ContextDong/yapi-mcp · alive

Servers that mention unreal.

ai.smithery/ChiR24-unreal_mcp · not found
ai.smithery/ChiR24-unreal_mcp_server · not found
GameAnalytics Documentation com.gameanalytics/analytics-docs · alive
UnrealUGC com.unrealugc/mcp · not MCP
unreal-mcp-ue4 io.github.conaman/unreal-mcp-ue4 · alive
io.github.ChiR24/unreal-engine-mcp · alive
UnrealMCP — AI Bridge for Unreal Engine 5 io.github.aadeshrao123/unreal-mcp · alive
Funplay Unreal MCP io.github.FunplayAI/funplay-unreal-mcp · needs env

We add a row when the result changes. A server with no change keeps its last row.

Probed	Result	Init	Tools	Claude	o200k
2026-10-27 06:53	alive	1.8 s	5	928	521
2026-10-20 06:41	alive	3.0 s	5		521

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.