unreal-api-mcp
Active·★ 97·MIT·Updated 2026-10-12
unreal-api-mcp is an MCP server designed to provide AI agents with precise Unreal Engine C++ API documentation, eliminating hallucinated signatures, incorrect include paths, and deprecated API usage. It integrates with MCP-compatible AI tools like Claude Code, allowing developers to leverage accurate UE API information without requiring a local Unreal Engine installation.
#Unreal Engine#API Documentation#AI Agent#C++#Model Context Protocol (MCP)#Python#Developer Tools#Game Development
01
Features
01Provides precise Unreal Engine C++ API documentation, including signatures, deprecation warnings, and member lists.
02Supports version-specific databases, automatically detecting and downloading documentation for various Unreal Engine releases.
03Offers comprehensive API tools for searching, getting function signatures, include paths, class references, and deprecation checks.
04Covers all Engine Runtime, Editor, Developer modules, built-in plugins, and Blueprint graph internals.
05Caches databases locally for fast, sub-millisecond query responses, improving AI agent efficiency.
02
Compatibility
Python
Runtime
Verified via docs
Model Context Protocol (MCP)
Integration
Verified via docs
Unreal Engine
Platform
Verified via docs
AI Agents (MCP-compatible)
Tooling
Verified via docs
03
Quick start
1
$ pip install unreal-api-mcp
04
Use cases
↳AI agents can generate correct Unreal Engine C++ code by referencing accurate API details, avoiding common errors.
↳Developers can quickly verify function signatures, #include paths, and deprecation statuses using specialized tools.
↳Access detailed documentation for Blueprint graph internals, aiding in the creation of custom K2 nodes or editor tools.
↳AI can act as an expert, providing precise answers to complex API questions about specific UE versions.
↳Integrate into CI/CD pipelines to automatically flag deprecated API usage or incorrect signatures in Unreal Engine projects.
05
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