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---
title: Resource reference
sidebar_label: Resources
slug: /reference/resources
description: Auto-generated catalog of every MCP for Unity resource.
---
# Resource reference
> **Auto-generated** from the Python tool registry. Do not hand-edit outside `<!-- examples:start --><!-- examples:end -->` blocks — the generator (`tools/generate_docs_reference.py`) will overwrite them.
Resources are read-only state surfaces exposed to MCP clients. Tools mutate; resources observe.
## `cameras`
**URI:** `mcpforunity://scene/cameras`
List all cameras in the scene (Unity Camera + CinemachineCamera) with status. Includes Brain state, Cinemachine camera priorities, pipeline components, follow/lookAt targets, and Unity Camera info.
URI: mcpforunity://scene/cameras
## `custom_tools`
**URI:** `mcpforunity://custom-tools`
Lists custom tools available for the active Unity project.
URI: mcpforunity://custom-tools
## `editor_active_tool`
**URI:** `mcpforunity://editor/active-tool`
Currently active editor tool (Move, Rotate, Scale, etc.) and transform handle settings.
URI: mcpforunity://editor/active-tool
## `editor_prefab_stage`
**URI:** `mcpforunity://editor/prefab-stage`
Current prefab editing context if a prefab is open in isolation mode. Returns isOpen=false if no prefab is being edited.
URI: mcpforunity://editor/prefab-stage
## `editor_selection`
**URI:** `mcpforunity://editor/selection`
Detailed information about currently selected objects in the editor, including GameObjects, assets, and their properties.
URI: mcpforunity://editor/selection
## `editor_state`
**URI:** `mcpforunity://editor/state`
Canonical editor readiness snapshot. Includes advice and server-computed staleness.
URI: mcpforunity://editor/state
## `editor_windows`
**URI:** `mcpforunity://editor/windows`
All currently open editor windows with their titles, types, positions, and focus state.
URI: mcpforunity://editor/windows
## `gameobject`
**URI:** `mcpforunity://scene/gameobject/{instance_id}`
Get detailed information about a single GameObject by instance ID. Returns name, tag, layer, active state, transform data, parent/children IDs, and component type list (no full component properties).
URI: mcpforunity://scene/gameobject/{instance_id}
**Parameters:**
- `instance_id` (`str`, required) —
## `gameobject_api`
**URI:** `mcpforunity://scene/gameobject-api`
Documentation for GameObject resources. Use find_gameobjects tool to get instance IDs, then access resources below.
URI: mcpforunity://scene/gameobject-api
**Parameters:**
- `_ctx` (`Context`, required) —
## `gameobject_component`
**URI:** `mcpforunity://scene/gameobject/{instance_id}/component/{component_name}`
Get a specific component on a GameObject by type name. Returns the fully serialized component with all properties.
URI: mcpforunity://scene/gameobject/{instance_id}/component/{component_name}
**Parameters:**
- `instance_id` (`str`, required) —
- `component_name` (`str`, required) —
## `gameobject_components`
**URI:** `mcpforunity://scene/gameobject/{instance_id}/components`
Get all components on a GameObject with full property serialization. Supports pagination with pageSize and cursor parameters.
URI: mcpforunity://scene/gameobject/{instance_id}/components
**Parameters:**
- `instance_id` (`str`, required) —
- `page_size` (`int`, optional) —
- `cursor` (`int`, optional) —
- `include_properties` (`bool`, optional) —
## `get_tests`
**URI:** `mcpforunity://tests`
Provides the first page of Unity tests (default 50 items). For filtering or pagination, use the run_tests tool instead.
URI: mcpforunity://tests
## `get_tests_for_mode`
**URI:** `mcpforunity://tests/{mode}`
Provides the first page of tests for a specific mode (EditMode or PlayMode). For filtering or pagination, use the run_tests tool instead.
URI: mcpforunity://tests/{mode}
**Parameters:**
- `mode` (`Literal['EditMode', 'PlayMode']`, required) —
## `menu_items`
**URI:** `mcpforunity://menu-items`
Provides a list of all menu items.
URI: mcpforunity://menu-items
## `prefab_api`
**URI:** `mcpforunity://prefab-api`
Documentation for Prefab resources. Use manage_asset action=search filterType=Prefab to find prefabs, then access resources below.
URI: mcpforunity://prefab-api
**Parameters:**
- `_ctx` (`Context`, required) —
## `prefab_hierarchy`
**URI:** `mcpforunity://prefab/{encoded_path}/hierarchy`
Get the full hierarchy of a prefab with nested prefab information. Returns all GameObjects with their components and nesting depth.
URI: mcpforunity://prefab/{encoded_path}/hierarchy
**Parameters:**
- `encoded_path` (`str`, required) —
## `prefab_info`
**URI:** `mcpforunity://prefab/{encoded_path}`
Get detailed information about a prefab asset by URL-encoded path. Returns prefab type, root object name, component types, child count, and variant info.
URI: mcpforunity://prefab/{encoded_path}
**Parameters:**
- `encoded_path` (`str`, required) —
## `project_info`
**URI:** `mcpforunity://project/info`
Static project information including root path, Unity version, and platform. This data rarely changes.
URI: mcpforunity://project/info
## `project_layers`
**URI:** `mcpforunity://project/layers`
All layers defined in the project's TagManager with their indices (0-31). Read this before using add_layer or remove_layer tools.
URI: mcpforunity://project/layers
## `project_tags`
**URI:** `mcpforunity://project/tags`
All tags defined in the project's TagManager. Read this before using add_tag or remove_tag tools.
URI: mcpforunity://project/tags
## `renderer_features`
**URI:** `mcpforunity://pipeline/renderer-features`
Lists all URP renderer features on the active renderer with type, name, and active state.
## `rendering_stats`
**URI:** `mcpforunity://rendering/stats`
Snapshot of rendering performance statistics (draw calls, batches, triangles, frame time, etc.).
## `tool_groups`
**URI:** `mcpforunity://tool-groups`
Available tool groups and their tools. Use manage_tools to activate/deactivate groups per session.
URI: mcpforunity://tool-groups
## `unity_instances`
**URI:** `mcpforunity://instances`
Lists all running Unity Editor instances with their details.
URI: mcpforunity://instances
## `volumes`
**URI:** `mcpforunity://scene/volumes`
Lists all Volume components in the active scene with their profiles, effects, and settings.