Unity API Documentation MCP Server

Accurate Unity API docs (2022/2023/6) for AI agents. Prevents hallucinated signatures.

Local serverstdioPython

What is the Unity API Documentation MCP Server?

Accurate Unity API docs (2022/2023/6) for AI agents. Prevents hallucinated signatures.

What the server does

Supports Unity 6 (one database per minor stream), Unity 2023, and Unity 2022 LTS. Works with Claude Code, Cursor, Windsurf, or any MCP-compatible AI tool. No Unity installation required. See the supported versions. New Unity releases are detected and built automatically every week.

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Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
search_unity_apiFind APIs by keyword
get_method_signatureExact signatures with all overloads
get_namespaceResolve using directives
get_class_referenceFull class reference card
get_deprecation_warningsCheck if an API is obsolete

How to install the Unity API Documentation MCP Server

{
  "mcpServers": {
    "unity-api": {
      "command": "uvx",
      "args": ["unity-api-mcp"],
      "env": {
        "UNITY_VERSION": "6000.3"
      }
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
UNITY_VERSIONConfiguration value read at startup.Optional
UNITY_PROJECT_PATHFilesystem location the server is allowed to use.Optional
UNITY_INSTALL_PATHFilesystem location the server is allowed to use.Optional

Example prompts to try

  • “Use Unity API Documentation to Covers.”
  • “Use Unity API Documentation to search unity api.”
  • “Use Unity API Documentation to get method signature.”

Frequently asked questions

Accurate Unity API docs (2022/2023/6) for AI agents. Prevents hallucinated signatures. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.