{"id":"coplaydev-unity-mcp","name":"unity-mcp","af_score":66.2,"security_score":43.5,"reliability_score":47.5,"what_it_does":"unity-mcp (MCP for Unity) is a Unity Editor extension that runs a local MCP/HTTP server on the user machine and exposes a rich set of “tools” and “resources” so AI assistants can inspect and modify Unity projects (assets, scenes, scripts, editor actions) and automate workflows.","best_when":"You want an AI-driven, local developer workflow where the Unity editor is already trusted and the AI is assisting with editor automation on the same machine.","avoid_when":"You need multi-tenant or cross-user access, strong identity-based authorization, or fully unattended remote execution over untrusted networks.","last_evaluated":"2026-03-29T14:56:17.001582+00:00","has_mcp":true,"has_api":true,"auth_methods":["Local network only (loopback default) without user auth described in README"],"has_free_tier":true,"known_gotchas":["Statefulness: many tools change the Unity project/scene; repeated calls may have compounding effects","Long-running operations exist (async job tracking/polling); agent may need to poll using provided job endpoints rather than immediately retrying","Multi-instance routing requires selecting the active instance (set_active_instance) before subsequent actions"],"error_quality":0.0}