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Unreal Engine API Documentation

codeturion/unreal-api-mcp

Gives AI agents structured access to Unreal Engine C++ API documentation without requiring an Engine installation. Query function signatures, resolve #include paths, search for APIs by keyword, and check deprecation warnings across 100k+ records covering Engine Runtime, Editor modules, and built-in plugins like Enhanced Input and Gameplay Abilities. Supports UE 5.0 through 5.7 with automatic version detection from environment variables or .uproject files. The SQLite backend returns exact lookups in under 1ms and keyword searches in about 1ms, so you can verify `AActor::GetActorLocation` signatures or find `UCharacterMovementComponent` members in a single tool call instead of grepping source files. Especially useful if you're writing Blueprint graph nodes or editor tooling, since it indexes 158 UK2Node subclasses and the full KismetCompiler API surface.

GitHub stars
98
tools
5
transport
STDIO
env vars
2
last updated
Oct 11, 2026

Tools

5 tools

Public tool metadata for what this MCP can expose to an agent.

search_unreal_apiFind APIs by keyword.

Find APIs by keyword.

No parameter schema in public metadata yet.

get_function_signatureExact signature with parameters and return type.

Exact signature with parameters and return type.

No parameter schema in public metadata yet.

get_include_pathResolve `#include` for a type.

Resolve `#include` for a type.

No parameter schema in public metadata yet.

get_class_referenceFull class reference card.

Full class reference card.

No parameter schema in public metadata yet.

get_deprecation_warningsCheck if an API is obsolete.

Check if an API is obsolete.

No parameter schema in public metadata yet.

Sponsors

Configuration

UNREAL_VERSION

Unreal Engine version to serve, e.g. 5.7 or 5.8 (default: auto-detect or 5.8)

UNREAL_PROJECT_PATH

Path to Unreal project for auto-detecting version from .uproject EngineAssociation field

Readme

Details

Repository
github.com/codeturion/unreal-api-mcp
Package
unreal-api-mcp
Transport
STDIO
Registry
MCP registry, active

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