Unreal API

About

Unreal API is an MCP server designed to furnish AI agents with instant and accurate Unreal Engine C++ API documentation across UE 5.5, 5.6, and 5.7. By querying version-specific SQLite databases, it eliminates the need for expensive source file reads, drastically reducing agent tokens, context, and the risk of hallucinations. This tool prevents incorrect API signatures, wrong `#include` paths, and deprecated API usage, supporting popular AI tools like Claude Code, Cursor, and Windsurf without requiring a local Unreal Engine installation.

Key Features

• Significantly reduces AI agent token usage and hallucination risk.
• Provides accurate Unreal Engine C++ API documentation for UE 5.5, 5.6, and 5.7.
• Detects and warns about deprecated API usage.
• Resolves function signatures, `#include` paths, and full class references.
• Offers instant lookup times (sub-millisecond for exact, few milliseconds for search).
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Use Cases

• Automating the discovery of correct `#include` paths for Unreal Engine types.
• Checking for deprecated API usage in Unreal Engine projects with AI assistance.
• AI agents verifying Unreal Engine C++ API signatures and parameters during code generation.