UnrealMCP — AI Bridge for Unreal Engine 5 MCP server

Read from the package source without running it. The installed server may list more.

• add_blueprint_node

  Add a node to a Blueprint graph.

• add_component_to_blueprint

  Add a component to a Blueprint's default components.

• add_data_table_row

  Add a new row, optionally setting initial field values.

• add_event_node

  Add an event node (ReceiveBeginPlay, ReceiveTick, ReceiveDestroyed, etc.).

• add_function_input

  Add an input parameter to a Blueprint function.

• add_function_output

  Add an output parameter to a Blueprint function.

• add_input_action_modifier

  Add a modifier to an Input Action.

• add_input_action_trigger

  Add a trigger to an Input Action.

• add_key_mapping

  Add a key-to-action mapping to an Input Mapping Context.

• add_mapping_modifier

  Add a modifier to a specific mapping in an Input Mapping Context.

• add_mapping_trigger

  Add a trigger to a specific mapping in an Input Mapping Context.

• add_mass_config_trait

  Add a SINGLE trait to a Mass Entity Config without replacing existing traits.

• analyze_blueprint_graph

  Analyze a specific graph — nodes, connections, and execution flow.

• apply_material_to_actor

  Apply a material to a level actor.

• apply_material_to_blueprint

  Apply a material to a Blueprint component.

• compile_blueprint

  Compile a Blueprint.

• connect_blueprint_nodes

  Connect two nodes in a Blueprint graph.

• create_blueprintwrite action

  Create a new Blueprint asset from any C++ or Blueprint parent class.

• create_blueprint_functionwrite action

  Create a new function in a Blueprint.

• create_blueprint_variablewrite action

  Create a variable in a Blueprint.

• create_data_assetwrite action

  Create a new data asset of any UDataAsset subclass.

• create_input_actionwrite action

  Create a new UInputAction asset.

• create_input_mapping_contextwrite action

  Create a new UInputMappingContext asset.

• delete_actorwrite action

  Delete an actor from the level by name.

• delete_assetwrite action

  Delete an asset or directory from the Content Browser.

• delete_blueprint_functionwrite action

  Delete a function from a Blueprint.

• delete_blueprint_nodewrite action

  Delete a node from a Blueprint graph by GUID.

• delete_data_table_rowwrite action

  Delete a row from a Data Table by name.

• duplicate_asset

  Duplicate an asset to a new location.

• duplicate_data_table_row

  Copy an existing row under a new name.

• execute_pythonwrite action

  Execute arbitrary Python code inside the running Unreal Editor.

• find_actors_by_name

  Find actors whose name matches the given pattern.

• find_assets

  Search the Asset Registry by class, path, and/or name pattern.

• find_references

  Find assets that reference or are referenced by the given asset.

• get_actor_material_info

  Get material slot info for a level actor.

• get_actors_in_level

  List all actors in the current level.

• get_asset_info

  Get asset metadata: class, package, and key properties.

• get_asset_properties

  Get all editable properties of an asset.

• get_available_materials

  List materials that can be applied to objects.

• get_blueprint_class_defaults

  Get all default property values from a Blueprint's generated class CDO.

• get_blueprint_function_details

  Get detailed info about Blueprint functions (empty name = all functions).

• get_blueprint_material_info

  Get material slot info for a Blueprint's mesh components.

• get_blueprint_variable_details

  Get detailed info about Blueprint variables (empty name = all variables).

• get_data_asset_properties

  Read ALL property values from a data asset (no visibility filter).

• get_data_table_row

  Get a single row from a Data Table by its row name.

• get_data_table_rows

  Get all rows and their field data from a Data Table asset.

• get_data_table_schema

  Get column names and types defined by the Data Table's row struct.

• get_input_action

  Read all properties, triggers, and modifiers of an Input Action.

• get_input_mapping_context

  Read all key mappings from an Input Mapping Context.

• get_mass_config_traits

  Read all traits from a Mass Entity Config asset with their properties expanded.

• get_mcp_token_stats

  Get accumulated per-command token usage statistics.

• get_property_valid_types

  Return valid classes/structs/enum-values for a property dropdown.

• get_selected_actors

  Get all currently selected actors in the editor viewport.

• get_selected_assets

  Get currently selected assets in the Content Browser.

• get_world_info

  Get current editor level info (world name, actor count, actor list).

• health_check

  Check if the UE5 editor bridge is running and responsive.

• import_asset

  Import an external file (texture, mesh, FBX, etc.) into the Content Browser.

• import_assets_batch

  Import multiple files into the Content Browser in one batch.

• list_assets

  List assets in a Content Browser directory.

• list_data_asset_classes

  List all UDataAsset subclasses currently loaded in the editor.

• list_data_assets

  List data assets in a content path, optionally filtered by class.

• list_input_actions

  List all UInputAction assets, optionally filtered by name and path.

• list_input_keys

  List available FKey values (keyboard, mouse, gamepad keys).

• list_input_mapping_contexts

  List all UInputMappingContext assets, optionally filtered.

• list_modifier_types

  List all available UInputModifier subclasses with their editable properties.

• list_trigger_types

  List all available UInputTrigger subclasses with their editable properties.

• open_asset

  Open an asset in the UE5 editor (blueprint, material, data table, widget, etc.).

• read_blueprint_content

  Read complete Blueprint content: event graph, functions, variables, components.

• remove_input_action_modifierwrite action

  Remove a modifier from an Input Action by index.

• remove_input_action_triggerwrite action

  Remove a trigger from an Input Action by index.

• remove_key_mappingwrite action

  Remove a key mapping from an Input Mapping Context.

• remove_mapping_modifierwrite action

  Remove a modifier from a mapping in an Input Mapping Context.

• remove_mapping_triggerwrite action

  Remove a trigger from a mapping in an Input Mapping Context.

• remove_mass_config_traitwrite action

  Remove a single trait from a Mass Entity Config without affecting other traits.

• rename_asset

  Rename or move an asset. UE5 automatically fixes all references.

• rename_blueprint_function

  Rename a function in a Blueprint.

• rename_data_table_row

  Rename a row in-place (preserves row order).

• save_all

  Save all unsaved (dirty) assets.

• save_asset

  Save a specific asset to disk.

• search_class_paths

  Search for UClass types by name filter and parent class constraint. Returns full /Script/Module.ClassName paths needed for _ClassName in trait editing.

• search_parent_classes

  Search for classes that can be used as Blueprint parents.

• set_actor_transform

  Set an actor's location, rotation, and/or scale.

• set_asset_property

  Set a property on an asset.

• set_blueprint_class_defaults

  Set default property values on a Blueprint's generated class CDO.

• set_blueprint_node_property

  Set a node property or perform semantic editing.

• set_blueprint_variable_properties

  Modify properties of an existing Blueprint variable.

• set_data_asset_properties

  Set multiple properties in a single call (one load + one save).

• set_data_asset_property

  Set a single property on a data asset.

• set_input_action_properties

  Set properties on an Input Action.

• set_key_mapping

  Change the key or action on an existing mapping in an IMC.

• set_mass_config_trait_property

  Modify properties on an EXISTING trait in a Mass Entity Config in-place.

• set_mcp_debug

  Enable or disable token debug estimation on MCP responses.

• set_mesh_material_color

  Set material color on a mesh component.

• set_physics_properties

  Set physics properties on a Blueprint component.

• set_static_mesh_properties

  Set the static mesh on a StaticMeshComponent in a Blueprint.

• spawn_actor

  Spawn an actor in the level.

• spawn_blueprint_actor

  Spawn a Blueprint actor instance in the level.

• sync_browser

  Navigate the Content Browser to show a specific asset.

• take_screenshot

  Capture the editor to a PNG.

• update_data_table_rowwrite action

  Update specific fields on an existing row (partial update).

• Code scan20 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitylocal package, no credentials required12/15
• Maintenancelast push 49 days ago12/15
• Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Safety score

88/100

higher than 75% of 48,273 servers

Tools

100

the typical server has 7

Tools that change things

19%

typical: 0%. Fewer write tools means less an agent can break

GitHub stars

38

more than 93% of 28,534 servers

UnrealMCP — AI Bridge for Unreal Engine 5: common questions

Is UnrealMCP — AI Bridge for Unreal Engine 5 MCP server safe?

Yes, by our scan: it is graded A (88/100). Read the UnrealMCP — AI Bridge for Unreal Engine 5 safety report

How do I install UnrealMCP — AI Bridge for Unreal Engine 5?

It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.

Does UnrealMCP — AI Bridge for Unreal Engine 5 need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is UnrealMCP — AI Bridge for Unreal Engine 5 maintained?

The last commit was 88 days ago (2026-08-06). The latest release is v1.3.1.

How does UnrealMCP — AI Bridge for Unreal Engine 5 compare with other MCP servers?

safety score 88/100 (higher than 75% of 48,273 servers); tools 100 (the typical server has 7); tools that change things 19% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.