unity-mcp-server

Unity MCP Server — 268 tools for AI-assisted game development. Connect Claude, Cursor, or any MCP client to Unity Editor & Unity Hub. Scene management, GameObjects, components, builds, profiling, Shader Graph, Amplify, terrain, physics, NavMesh, animation, MPPM multiplayer & more. Free & open source by AnkleBreaker Studio.

→ AnkleBreaker-Studio/unity-mcp-server · listed on github_topic

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 high

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

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

// required environment variables

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

configLOG_LEVEL

configUNITY_BRIDGE_HOST— 127.0.0.1 Editor bridge host

configUNITY_BRIDGE_PORT— "": "7890"

configUNITY_BRIDGE_TIMEOUT— 30000 Request timeout in ms

configUNITY_EDITOR_PATH

configUNITY_HUB_PATH— "": "C:\\Program Files\\Unity Hub\\Unity Hub.exe",

configUNITY_INSTANCE_REGISTRY

configUNITY_PORT_RANGE_END— 7899 End of port scan range

configUNITY_PORT_RANGE_START— 7890 Start of port scan range for multi-instance discovery

configUNITY_QUEUE_POLL_INTERVAL

configUNITY_QUEUE_POLL_MAX

configUNITY_QUEUE_POLL_TIMEOUT

configUNITY_REGISTRY_STALENESS_TIMEOUT— 300000 Registry entry staleness timeout in ms (crash detection)

configUNITY_RESPONSE_HARD_LIMIT— 4194304 Response size hard limit in bytes (truncation)

configUNITY_RESPONSE_SOFT_LIMIT— 2097152 Response size soft limit in bytes (warning)

// 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 2 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/anklebreaker-studio-unity-mcp-server-40ndc3)](https://m8ven.ai/mcp/anklebreaker-studio-unity-mcp-server-40ndc3)

commit: 933f4734b0a98c85dd492f714515cf3759ddd48e

code hash: 425e87cdd2204512007d1a403739a5242c9018c0f9967c216f1f113cdff65b8e

verified: 6/4/2026, 11:31:30 AM

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