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Unity MCP

local MCP server

Unity MCP is a local MCP server: Unity Editor automation for AI agents: scenes, prefabs, assets, shaders, Timeline, tests, builds. Install it from nuget as IsuzuUnityCli.

What you need

  • Runtime: .NET SDK (runs with dnx).
  • MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.
  • Environment variables: UNITY_MCP_STATE_DIR, UNITY_MCP_HOST

Summary

Unity Editor automation for AI agents: scenes, prefabs, assets, shaders, Timeline, tests, builds.

Unity MCP vs similar servers

ServerStarsTypeAPI keyRuntime
Unity MCP327LocalYesnuget
Unity-MCP4,346LocalYesoci
FableCut695LocalNomcpb
Funplay Unity MCP255LocalNonuget
FunseaAI Unity MCP255LocalNonuget

Questions

It reads 2 environment variables: UNITY_MCP_STATE_DIR, UNITY_MCP_HOST. Set them in your MCP config before starting the server.

.NET SDK (runs with dnx), plus an MCP client such as Claude Code, Codex, Claude Desktop or Cursor.

Unity MCP is a local MCP server distributed as the nuget package IsuzuUnityCli.

Similar MCP servers

NameStars
  1. Unity-MCPio.github.IvanMurzak/Unity-MCP4,346
  2. FableCutio.github.ronak-create/fablecut695
  3. Funplay Unity MCPio.github.FunplayAI/funplay-unity-mcp255
  4. FunseaAI Unity MCPio.github.FunseaAI/unity-mcp255
  5. KitWright Unity MCPio.github.kitwright/unity-mcp22
  6. MATLAB MCP Serverio.github.matlab/matlab-mcp-server1,587
  7. CrowdStrike Falcon MCP Serverio.github.CrowdStrike/falcon-mcp258
  8. glade-mcpio.github.Glade-tool/glade-mcp223