# Connect an agent [Back to AI agents & app data](https://rustic-game-engine.pages.dev/markdown/guides/ai-agents.md). 1. Install Rustic and open your game project in the Rustic editor once. Opening the project generates its agent information and registers the `rustic-workspace` MCP server in your user Codex and Claude configuration. 2. Reload the agent's MCP connections if it was already running. Starting from the game directory (or a directory below it) automatically discovers the containing `project.engine` file. The backend also starts from other directories: the MCP handshake and tool list do not require a game project. To bind a game from the Codex desktop app or an engine checkout, call `workspace_info` with `{"project_root":"C:/Games/MyGame"}`. Use an absolute directory path; selection is retained for this MCP session. Alternatively, configure the installed `rustic-agent-backend.exe` with arguments `["--project", "C:/Games/MyGame"]` and reload the connection. 3. Invoke the `rustic-workspace` skill, or `/rustic-workspace` in Claude, and ask it to inspect your project. Call `workspace_info` first; its `project_root` identifies the game and `agent_directory` identifies its stored information. 4. Read instructions through `read_agent_file` before editing game content. Use `scene_summary` with your scene's relative path before changing a scene. The stdio MCP server runs on the same computer as the agent client and the game files. A local Rustic editor registration is not available to a Codex cloud chat. Use a local Codex chat with the registered MCP connection to control that game. Opening a game locally does not expose the backend to a remote executor, and a missing `@rustic-workspace` entry in a cloud chat does not establish that the local server crashed. Only small discovery skills, a Claude command, and client registration settings remain in the user profile so agent applications can find the integration. The full skills and plugin live in Rustic app data. No gameplay script attachment or Play session is needed to use these authoring tools.