UE5 MCP Server

Item: UE5 MCP Server
Rating: 64
Author: M8ven

Bridges AI assistants to Unreal Engine 5 editor, enabling direct manipulation of levels, actors, Blueprints, and Animation Blueprints through natural language commands.

→ Natfii/ue5-mcp-bridge · listed on glama

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

// known CVEs in dependencies1 critical3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@4.0.18GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

high@modelcontextprotocol/sdk@1.11.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.11.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.11.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configINJECT_CONTEXT— "": "true"

configMCP_ASYNC_ENABLED

configMCP_ASYNC_TIMEOUT_MS

configMCP_POLL_INTERVAL_MS

configMCP_REQUEST_TIMEOUT_MS— 30000 Request timeout in milliseconds

configMCP_TOOL_CACHE_TTL_MS

configUNREAL_MCP_URL— "": "http://localhost:3000"

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/natfii-ue5-mcp-bridge-2mfrr4)](https://m8ven.ai/mcp/natfii-ue5-mcp-bridge-2mfrr4)

commit: 2d8d957a6a6c525744ed6c48f8f2d27441dae9c8

code hash: df387788acab93f1d6b49133fde8dac7815701181784d64891bbe02a6201b278

verified: 6/11/2026, 12:15:39 PM

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