Atlas / MCP servers / anklebreaker-studio / AnkleBreaker Unity

AnkleBreaker UnityCAUTION

Name: AnkleBreaker Unity
Author: anklebreaker-studio

mcp/anklebreaker-studio/anklebreaker-unity

MCP server by anklebreaker-studio · ai · ai assisted development · ai game development · Audited 2026-10-02

Unity MCP Server — 268 tools for AI-assisted game development. Connect Claude, Cursor, or any MCP client to Unity Editor & Unity Hub. Scene management, GameObjects, components, builds, profiling, Shader Graph, Amplify, terrain, physics, NavMesh, animation, MPPM multiplayer & more. Free & open source

Verdict

CAUTION

Grade

Trust score

87 /100

Exposed tools

200 175r · 140w · 34d

Transport

stdio

License

NOASSERTION

Stars

487

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

[](https://github.com/AnkleBreaker-Studio/unity-mcp-server/actions/workflows/test.yml?query=branch%3Amain) [](https://github.com/AnkleBreaker-Studio/unity-mcp-plugin/actions/workflows/checks.yml?query=branch%3Amain)

Build worlds. Coordinate agents. See every action. Connect your AI assistants to scene authoring, running games, multiplayer scenarios, tests, builds and profiling through Model Context Protocol. Built by AnkleBreaker Studio for workflows that span more than one editor and one assistant.

Get started · Watch the demos · Measured improvements · Multiple projects · Tool catalog · Changelog

Counts reflect the checked-in definitions; optional tools require their corresponding Unity packages. The advanced proxy also discovers routes advertised by newer plugins.

Watch it build a playable prototype

Neon brick breaker: scene construction, materials, gameplay scripts and visual iteration, with the assistant and Unity visible together.

[](https://cdn.jsde

Read from source at commit 6819db2b35f5OBSERVED · 2026-10-02

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.

claude-code

claude mcp add anklebreaker-unity-mcp -- npx -y [email protected]

claude-desktop

{
  "mcpServers": {
    "anklebreaker-unity-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ]
    }
  }
}

Exposed tools (200)

175 read · 140 write · 34 destructive. Blast radius: 34 tools can delete or overwrite — an agent that can be talked into calling a tool can be talked into calling this one.

Tool	Risk	Description
`unity_advanced_tool`	write	Execute an advanced Unity tool by name (${advanced.length} cached + plugin lazy-loaded;
`unity_agent_log`	read	Get the action log for a specific agent, showing the last 100 actions with timestamps.
`unity_agents_list`	read	List all active agent sessions connected to the AB Unity MCP bridge. Shows each agent
`unity_amplify_add_node`	write	Add a node to the currently open Amplify Shader Editor graph. The ASE window must be open with a shader loaded. Use unity_amplify_get_node_types to discover available node types first.
`unity_amplify_close`	read	Close the Amplify Shader Editor window. By default saves the graph before closing to prevent save dialogs.
`unity_amplify_connect`	read	Connect two nodes in the Amplify Shader Editor graph. Connects an output port of one node to an input port of another node.
`unity_amplify_create_from_template`	write	Create a new Amplify shader from a predefined template (surface, unlit, urp_lit, transparent, post_process). The shader file is created and can then be opened in ASE.
`unity_amplify_create_shader`	write	Create a new Amplify Shader Editor shader file with proper ASE serialization markers. The shader can then be opened in ASE for visual editing.
`unity_amplify_disconnect`	read	Disconnect a specific port on a node in the Amplify Shader Editor graph.
`unity_amplify_disconnect_all`	destructive	Remove all connections from a specific node in the Amplify Shader Editor graph (both input and output connections).
`unity_amplify_duplicate_node`	read	Duplicate a node in the Amplify Shader Editor graph. Creates a new node of the same type at a slight offset from the original.
`unity_amplify_focus_node`	read	Focus the Amplify Shader Editor view on a specific node, centering and optionally zooming to it.
`unity_amplify_get_connections`	read	Get all connections between nodes in the currently open Amplify Shader Editor graph. Shows which output ports connect to which input ports.
`unity_amplify_get_node_types`	read	List all available Amplify Shader Editor node types by reflecting over the ASE assembly. Returns type names, categories, and descriptions. Requires Amplify to be installed.
`unity_amplify_get_nodes`	read	Get all nodes in the currently open Amplify Shader Editor graph. Returns node IDs, types, positions, and port counts. The ASE window must be open with a shader loaded.
`unity_amplify_info`	read	Get detailed info about an Amplify shader: properties, render queue, pass count, and Amplify metadata (node count, version, features like custom expressions, functions, texture samples).
`unity_amplify_list`	read	List all shaders created with Amplify Shader Editor. Detects Amplify shaders by scanning for ASE serialization markers in .shader files. Only available when Amplify is installed.
`unity_amplify_list_functions`	read	List all Amplify Shader Functions in the project. Functions are reusable node groups (similar to Shader Graph Sub Graphs). Only available when Amplify is installed.
`unity_amplify_master_node_info`	read	Get detailed information about the master/output node of the currently open Amplify shader graph, including all its input ports and properties.
`unity_amplify_move_node`	write	Move a node to a new position in the Amplify Shader Editor graph.
`unity_amplify_node_info`	read	Get detailed information about a specific node in the Amplify Shader Editor graph, including all input/output ports with names, data types, and connection status.
`unity_amplify_open`	read	Open a shader in the Amplify Shader Editor window for visual editing. Only available when Amplify is installed.
`unity_amplify_remove_node`	destructive	Remove a node from the currently open Amplify Shader Editor graph by its unique ID. Cannot remove the master/output node.
`unity_amplify_save`	write	Save the currently open Amplify Shader Editor graph to disk. If the shader has never been saved, auto-determines a save path from the shader name or uses the provided path.
`unity_amplify_set_node_property`	write	Set a property or field value on a node in the Amplify Shader Editor graph via reflection. If the property name is wrong, returns a list of available properties.
`unity_amplify_status`	read	Check if Amplify Shader Editor is installed in the project. Returns available commands, shader count, and function count. Only works when Amplify Shader Editor is imported.
`unity_animation_add_event`	write	Add an animation event that calls a function at a specific time during playback. Can pass string, int, or float parameters.
`unity_animation_add_keyframe`	write	Add a keyframe to an animation curve with full tangent and weight control. Creates the curve if it doesn
`unity_animation_add_layer`	write	Add a new layer to an Animator Controller.
`unity_animation_add_parameter`	write	Add a parameter to an Animator Controller (Float, Int, Bool, or Trigger).
`unity_animation_add_state`	write	Add a state to an Animator Controller layer. Can optionally assign an animation clip and set as default state.
`unity_animation_add_transition`	write	Add a transition between states in an Animator Controller. Supports conditions, exit time, and AnyState transitions.
`unity_animation_assign_controller`	read	Assign an Animator Controller to a GameObject (adds Animator component if needed).
`unity_animation_clip_info`	read	Get detailed information about an Animation Clip: curves, length, events, loop settings.
`unity_animation_controller_info`	read	Get detailed information about an Animator Controller: layers, states, transitions, parameters.
`unity_animation_create_blend_tree`	write	Create a blend tree in an Animator Controller for smooth blending between animations. Supports 1D, 2D (FreeformDirectional, FreeformCartesian, SimpleDirectional), and Direct blend types.
`unity_animation_create_clip`	write	Create a new empty Animation Clip asset.
`unity_animation_create_controller`	write	Create a new Animator Controller asset at the specified path.
`unity_animation_get_blend_tree`	read	Get the structure and configuration of a blend tree including all child motions, thresholds, positions, and time scales.
`unity_animation_get_curve_keyframes`	read	Get all keyframes from an animation curve binding with full tangent data (inTangent, outTangent, inWeight, outWeight, weightedMode). Essential for precise animation editing.
`unity_animation_get_events`	read	List all animation events on a clip with their function names, times, and parameters.
`unity_animation_remove_curve`	destructive	Remove an entire animation curve binding from a clip. Useful for cleaning up or restructuring animations.
`unity_animation_remove_event`	destructive	Remove an animation event by its index. Use get_animation_events first to find the index.
`unity_animation_remove_keyframe`	destructive	Remove a keyframe from an animation curve by its index. Use get_curve_keyframes first to find the index.
`unity_animation_remove_layer`	destructive	Remove a layer from an Animator Controller by index. Cannot remove the base layer (index 0).
`unity_animation_remove_parameter`	destructive	Remove a parameter from an Animator Controller by name.
`unity_animation_remove_state`	destructive	Remove a state from an Animator Controller layer.
`unity_animation_remove_transition`	destructive	Remove a transition from an Animator Controller state. Can target by source/destination names or by index.
`unity_animation_set_clip_curve`	write	Set an animation curve on a clip. Define keyframes to animate any property (position, rotation, scale, custom).
`unity_animation_set_clip_settings`	write	Set animation clip settings: looping, root motion, mirroring, speed, frame rate, and more.
`unity_animation_set_object_reference_curve`	write	Set an OBJECT-REFERENCE (PPtr) animation curve — the curve type Unity uses for 2D sprite-frame
`unity_asmdef_add_references`	write	Add assembly references to an existing .asmdef file. Supports assembly names (e.g.
`unity_asmdef_create`	write	Create a new Assembly Definition (.asmdef) file for code containerisation and compilation optimisation. Assembly definitions split your project code into separate assemblies, reducing recompilation time and enforcing clean dependency boundaries.
`unity_asmdef_create_ref`	write	Create an Assembly Definition Reference (.asmref) file. This lets you include scripts from a different folder into an existing assembly, useful for extending packages or splitting code across directories while keeping them in the same compilation unit.
`unity_asmdef_info`	read	Get detailed info about an Assembly Definition file: name, references, platforms, settings.
`unity_asmdef_list`	read	List all Assembly Definition files in the project. Returns name, path, reference count, and platform info for each.
`unity_asmdef_remove_references`	destructive	Remove assembly references from an existing .asmdef file.
`unity_asmdef_set_platforms`	write	Set the include/exclude platform lists for an assembly definition. Use includePlatforms to restrict to specific platforms (e.g. [
`unity_asmdef_update_settings`	write	Update settings on an assembly definition: rootNamespace, allowUnsafeCode, autoReferenced, noEngineReferences, defineConstraints, etc. Only supply the properties you want to change.
`unity_asset_create_prefab`	write	Create a prefab from an existing GameObject in the scene.
`unity_asset_delete`	destructive	Delete an asset — to the OS trash by default (NOT undoable via unity_undo_last).
`unity_asset_import`	write	Import an external file into the Unity project as an asset.
`unity_asset_instantiate_prefab`	read	Instantiate a prefab into the current scene.
`unity_asset_list`	read	List assets in the project. Can filter by path, type, and search term.
`unity_audio_create_source`	write	Create or configure an AudioSource on a GameObject. Can attach to existing object or create new one.
`unity_audio_info`	read	Get info about all AudioSources and AudioListeners in the scene.
`unity_audio_set_global`	write	Set global audio settings (master volume, pause).
`unity_build`	read	Build the project for a target platform.
`unity_component_add`	write	Add a component to a GameObject. Supports built-in types (Rigidbody, BoxCollider, AudioSource, Light, Camera, etc.) and custom scripts.
`unity_component_batch_wire`	read	Wire multiple object references in one call (e.g. a manager to all its panels). Each entry: target GameObject, property, reference to assign.
`unity_component_get_properties`	read	Get all serialized properties of a component on a GameObject.
`unity_component_get_referenceable`	read	Discover what objects can be assigned to an ObjectReference property. Returns matching scene objects and project assets filtered by the expected type. Useful before wiring references to know what
`unity_component_remove`	destructive	Remove a component from a GameObject.
`unity_component_set_property`	write	Set a serialized component property: numbers, strings, bools, vectors, colors, enums or object references.
`unity_component_set_reference`	write	Wire an object reference on a component property. Resolves by asset path, scene GameObject name, component type, or instance ID (richer than set_property for ObjectReference fields).
`unity_console_clear`	destructive	Clear the Unity console log.
`unity_console_log`	read	Get recent Unity console log messages (errors, warnings, info).
`unity_constraint_add`	write	Add an animation constraint (position, rotation, scale, aim, parent, lookat) to a GameObject with optional source.
`unity_constraint_info`	read	Get all constraints on a GameObject with their type, active state, weight, and source count.
`unity_debugger_enable`	write	Enable or disable the Frame Debugger. When enabled, Unity pauses rendering after a specific draw call so you can inspect the GPU state. Uses reflection to access internal Unity APIs (Unity 6+).
`unity_debugger_event_details`	read	Get detailed information about a specific Frame Debugger event: shader name, pass, keywords, vertex/index/instance counts, render target, batch break cause, and mesh info. The Frame Debugger must be enabled first.
`unity_debugger_events`	read	List all rendering events (draw calls) captured by the Frame Debugger. The Frame Debugger must be enabled first. Returns event index, type, and name for each draw call.
`unity_editor_ping`	read	Check if the Unity Editor bridge is running and responsive. Returns editor version, project name, and connection status.
`unity_editor_state`	read	Get the current Unity Editor state: play mode, compilation status, active scene, project path.
`unity_editorprefs_delete`	destructive	Delete an EditorPrefs key.
`unity_editorprefs_get`	read	Get an EditorPrefs value by key. Specify type: string (default), int, float, bool.
`unity_editorprefs_set`	write	Set an EditorPrefs value. Specify type: string (default), int, float, bool.
`unity_execute_code`	write	Run C# in the Unity Editor with Unity API access. Return a small JSON result. If an error has executionCompleted=true, the code already ran; inspect its effects before retrying.
`unity_execute_menu_item`	write	Execute a Unity Editor menu command by its path (e.g.
`unity_experimental_new_thing`	read	not core-listed
`unity_gameobject_create`	write	Create a new GameObject in the scene. Can specify primitive type (Cube, Sphere, Capsule, Cylinder, Plane, Quad), parent, and initial transform.
`unity_gameobject_delete`	destructive	Delete a GameObject by path or name. Refuses if its runtime mesh is shared by other
`unity_gameobject_duplicate`	read	Duplicate a GameObject with all its children and components.
`unity_gameobject_info`	read	Get detailed info about a specific GameObject: transform, components, children, active state, tags, layer.
`unity_gameobject_reparent`	write	Move a GameObject under a new parent in the hierarchy.
`unity_gameobject_set_active`	write	Set a GameObject active or inactive.
`unity_gameobject_set_transform`	write	Set the transform (position, rotation, scale) of a GameObject.
`unity_get_compilation_errors`	read	Get C# compilation errors/warnings via CompilationPipeline — independent of the console buffer
`unity_get_project_context`	read	Get the project docs/guidelines the team prepared for AI agents (from Assets/MCP/Context/).
`unity_graphics_asset_preview`	read	Inline PNG from Unity
`unity_graphics_game_capture`	read	Render one camera to inline PNG, without Game View composition or overlay UI. Whole-pixel sizes within device limits, at most 33554432 pixels.
`unity_graphics_lighting_summary`	read	Get a summary of all lights in the scene, or details about a specific light. Returns type, color, intensity, range, spot angle, shadow settings, and render mode.
`unity_graphics_material_info`	read	Get detailed material information: shader name, render queue, all properties (colors, floats, vectors, textures), keywords, and a visual preview thumbnail. Works on material assets or scene GameObjects.
`unity_graphics_mesh_info`	read	Get mesh metadata: vertex count, triangle count (including triangulated quads), submeshes, populated UV channels 0-7, blend shapes, bone count and bounds. Works on mesh assets or scene GameObjects with MeshFilter/SkinnedMeshRenderer.
`unity_graphics_prefab_render`	read	Return Unity
`unity_graphics_renderer_info`	read	Get detailed Renderer component information: renderer type, materials list, mesh reference, bounds, shadow settings, sorting layer, lightmap index. Use for rendering analysis.
`unity_graphics_scene_capture`	read	Render the Scene View camera to inline PNG. Whole-pixel sizes within device limits, at most 33554432 pixels.
`unity_graphics_texture_info`	read	Get detailed texture information: dimensions, format, compression, mipmaps, memory estimate, import settings, and a visual preview thumbnail. Use for texture analysis and optimization.
`unity_hub_available_releases`	read	List Unity Editor versions available for download from Unity Hub.
`unity_hub_get_install_path`	write	Get the current default installation path for Unity Editors.
`unity_hub_install_editor`	write	Install a specific Unity Editor version. Optionally include platform modules (android, ios, webgl, linux, macos, windows-il2cpp).
`unity_hub_install_modules`	write	Install additional platform modules to an already-installed Unity Editor version.
`unity_hub_list_editors`	read	List all Unity Editor versions currently installed via Unity Hub, including their installation paths.
`unity_hub_set_install_path`	write	Set the default installation directory for Unity Editors.
`unity_input_add_action`	write	Add an action to an action map in an Input Action Asset.
`unity_input_add_binding`	write	Add a simple (non-composite) binding to an action. Use for single-key bindings like
`unity_input_add_composite_binding`	write	Add a composite binding (e.g. WASD, arrows) to an action. Composites combine multiple keys into a single value (1DAxis for up/down, 2DVector for WASD).
`unity_input_add_map`	write	Add a new action map to an Input Action Asset.
`unity_input_create`	write	Create a new Input Action Asset (.inputactions file) for Unity
`unity_input_info`	read	Get detailed info about an Input Action Asset: maps, actions, bindings, and control schemes.
`unity_input_remove_action`	destructive	Remove an action (and its bindings) from an action map.
`unity_input_remove_map`	destructive	Remove an action map from an Input Action Asset.
`unity_lighting_create`	write	Create a new light in the scene (Point, Directional, Spot, or Area).
`unity_lighting_create_light_probe_group`	write	Create a light probe group in the scene.
`unity_lighting_create_reflection_probe`	write	Create a reflection probe in the scene.
`unity_lighting_info`	read	Get info about all lights in the scene plus environment/fog settings.
`unity_lighting_set_environment`	write	Set environment lighting: ambient mode/color, fog, skybox material.
`unity_list_advanced_tools`	write	Discover advanced Unity tools (execute them via unity_advanced_tool) without loading full schemas:
`unity_list_instances`	read	List running Unity Editor instances (name, port, version, clone flag, pluginVersion).
`unity_lod_create`	write	Create or configure a LODGroup on a GameObject with specified number of LOD levels.
`unity_lod_info`	read	Get LODGroup info: LOD levels, screen transition heights, renderer counts.
`unity_material_create`	write	Create a new material asset with a specified shader and properties.
`unity_memory_breakdown`	read	Get detailed memory breakdown by asset type: textures, meshes, materials, shaders, audio clips, animation clips, fonts, render textures, and scriptable objects. Shows count, total size, and optionally top assets per category. Works without the Memory Profiler package (uses built-in Profiler APIs).
`unity_memory_snapshot`	read	Take a detailed memory snapshot using the Memory Profiler package (com.unity.memoryprofiler). Requires the package to be installed. The snapshot can be inspected in the Memory Profiler window. Returns an error with alternatives if the package is not installed.
`unity_memory_status`	read	Check Memory Profiler status: whether the com.unity.memoryprofiler package is installed, available commands, and a quick memory summary. Always call this first before other memory profiler commands.
`unity_memory_top_assets`	read	Get the top N memory-consuming assets across all types. Shows asset name, type, size, and asset path. Optionally filter by type (texture, mesh, audio, material, shader, animation, font, rendertexture). Works without the Memory Profiler package.
`unity_mppm_activate_player`	read	Activate a Virtual Player (clone Unity Editor process). index must be 2, 3, or 4
`unity_mppm_activate_scenario`	read	Load/activate a specific scenario by its asset path.
`unity_mppm_create_scenario`	write	Create an MPPM ScenarioConfig asset programmatically. Unity 6+ (MPPM 2.0).
`unity_mppm_deactivate_player`	read	Deactivate a Virtual Player previously activated via unity_mppm_activate_player.
`unity_mppm_info`	read	Get multiplayer play mode information including CurrentPlayer state, tags, and MPPM package version.
`unity_mppm_list_players`	read	List the 4 MPPM virtual-player slots and their current state
`unity_mppm_list_scenarios`	read	List all MPPM (Multiplayer PlayMode) scenarios in the project with details about instances and configurations.
`unity_mppm_start`	write	Start the currently active scenario. By default also enters Play mode on the main editor
`unity_mppm_status`	read	Get the current scenario status including running state, active scenario name, and progress.
`unity_mppm_stop`	write	Stop the running scenario. By default also exits Play mode on the main editor so
`unity_navmesh_add_agent`	write	Add a NavMeshAgent component to a GameObject with optional settings (speed, angular speed, acceleration, stopping distance, radius, height).
`unity_navmesh_add_obstacle`	write	Add a NavMeshObstacle component to a GameObject.
`unity_navmesh_bake`	read	Bake the NavMesh for AI navigation. Optionally configure agent radius, height, slope, and climb.
`unity_navmesh_clear`	destructive	Clear all baked NavMeshes from the scene.
`unity_navmesh_info`	read	Get NavMesh information: vertex/triangle count, agents, obstacles, agent types.
`unity_navmesh_set_destination`	write	Set the destination for a NavMeshAgent (requires Play mode).
`unity_packages_add`	write	Add/install a Unity package by identifier (e.g.
`unity_packages_info`	read	Get detailed info about an installed package including versions and dependencies.
`unity_packages_list`	read	List all installed Unity packages with their name, version, source, and status.
`unity_packages_remove`	destructive	Remove/uninstall a Unity package by name.
`unity_packages_search`	read	Search for Unity packages in the registry.
`unity_particle_create`	write	Create a new Particle System with optional initial settings.
`unity_particle_info`	read	Get detailed Particle System info: main module, emission, shape, and all module enable states.
`unity_particle_playback`	destructive	Control particle system playback: play, stop, pause, restart, or clear.
`unity_particle_set_emission`	write	Configure particle emission: rate over time, rate over distance.
`unity_particle_set_main`	write	Configure the main module of a Particle System: duration, lifetime, speed, size, gravity, simulation space.
`unity_particle_set_shape`	write	Configure the emission shape: Sphere, Hemisphere, Cone, Box, Circle, Edge, etc.
`unity_physics_collision_matrix`	read	Get the physics collision matrix showing which layers collide with each other.
`unity_physics_overlap_box`	read	Find all colliders within a box volume.
`unity_physics_overlap_sphere`	read	Find all colliders within a sphere. Useful for area-of-effect queries.
`unity_physics_raycast`	read	Cast a ray in the physics world and return hit information. Supports single or all-hits mode.
`unity_physics_set_collision_layer`	write	Set whether two physics layers should collide or ignore each other.
`unity_physics_set_gravity`	write	Get or set the global physics gravity vector.
`unity_play_mode`	write	Control Unity Editor play mode: enter play, pause, or stop.
`unity_playerprefs_delete`	destructive	Delete a PlayerPrefs key.
`unity_playerprefs_delete_all`	destructive	Delete ALL PlayerPrefs. Use with caution.
`unity_playerprefs_get`	read	Get a PlayerPrefs value by key. Specify type: string (default), int, float.
`unity_playerprefs_set`	write	Set a PlayerPrefs value. Specify type: string (default), int, float.
`unity_prefab_add_component`	write	Add a component to a GameObject inside a prefab asset â€” no scene instance needed. Supports built-in types (Rigidbody, BoxCollider, etc.) and custom scripts.
`unity_prefab_add_gameobject`	write	Create a new child GameObject inside a prefab asset â€” no scene instance needed. Optionally create as a primitive (Cube, Sphere, etc.) with position/rotation/scale.
`unity_prefab_apply_overrides`	write	Apply all overrides from a prefab instance in the scene back to the source prefab asset.
`unity_prefab_apply_variant_override`	write	Apply overrides from a prefab variant back to its base prefab. Can apply all overrides or filter by componentType and/or gameObject path. This pushes the variant
`unity_prefab_compare_variant`	read	Compare a prefab variant to its base prefab. Returns all overrides: modified properties, added/removed components, and added/removed GameObjects. The variant must be a Prefab Variant asset.
`unity_prefab_create_variant`	write	Create a prefab variant from an existing base prefab. Variants inherit from the base and can override specific properties.
`unity_prefab_get_hierarchy`	read	Get the full hierarchy tree of a prefab asset directly from disk â€” no scene instance needed. Shows all GameObjects, components, and nested children inside the prefab.
`unity_prefab_get_properties`	read	Read all serialized properties of a component on a GameObject inside a prefab asset â€” no scene instance needed. Use prefabPath to target nested children (e.g.
`unity_prefab_info`	read	Get detailed prefab information: overrides, variant status, added/removed components. Works on both prefab assets and scene instances.
`unity_prefab_remove_component`	destructive	Remove a component from a GameObject inside a prefab asset â€” no scene instance needed.
`unity_prefab_remove_gameobject`	destructive	Delete a child GameObject from inside a prefab asset â€” no scene instance needed. Cannot remove the prefab root.
`unity_prefab_revert_overrides`	read	Revert all overrides on a prefab instance, restoring it to match the source prefab.
`unity_prefab_revert_variant_override`	read	Revert overrides on a prefab variant so it matches its base prefab again. Can revert all overrides or filter by componentType and/or gameObject path.
`unity_prefab_set_property`	write	Set a serialized property value on a component inside a prefab asset â€” no scene instance needed. Supports floats, ints, strings, bools, vectors, colors, enums.
`unity_prefab_set_reference`	write	Wire an ObjectReference property on a component inside a prefab asset â€” no scene instance needed. Can reference project assets (materials, textures, prefabs, ScriptableObjects) or other GameObjects within the same prefab.
`unity_prefab_transfer_variant_overrides`	write	Transfer (copy) overrides from one prefab variant to another variant of the same base. Reads the property modifications from the source variant and applies them to the target variant.
`unity_prefab_unpack`	read	Unpack a prefab instance, converting it to regular GameObjects.
`unity_prefab_variant_info`	read	Get variant information for a prefab asset: whether it
`unity_probuilder_bevel_edges`	read	Bevel (chamfer) the edges of the selected faces by
`unity_probuilder_boolean`	read	Boolean CSG operation between two solid meshes, producing a new editable ProBuilder object.
`unity_probuilder_center_pivot`	read	Recenter the object
`unity_probuilder_combine`	write	Merge two or more ProBuilder objects into a single ProBuilder mesh (the first object).
`unity_probuilder_create_shape`	write	Create a parametric ProBuilder shape as a new, fully-editable mesh GameObject.
`unity_probuilder_delete_faces`	destructive	Delete the selected faces from the mesh (creates holes / open geometry).
`unity_probuilder_export_mesh`	read	Export the object
`unity_probuilder_extrude_faces`	read	Extrude selected faces outward along their normals (or as individual faces).

Trust audit

CAUTIONgrade B · trust 87/100 Install with care. The audit found things worth knowing before you trust its output.

Layer	What it checks	Result
L0	Provenance & inventory	PASS
L1	Static analysis of the code	WARN
L2	Instruction surface (what it tells the agent)	PASS
L3	Class-specific surface	WARN
L4	Behavioural (sandbox)	SKIPPED

What the source does

Filesystem: declared (1 observation(s))
Network: declared (3 observation(s))
Shell: none-observed
Dependencies: pinned
Secrets in source: none-found

Findings (20)

MEDIUMNetwork egress · net.raw_ip · CWE-200, CWE-319

src/index.js:264

"NEVER call the Unity HTTP bridge directly (e.g. http://127.0.0.1:7890/api/...).",

MEDIUMObfuscation / stealth · obf.zero_width · CWE-506, CWE-94

src/tools/editor-tools.js:1

// AnkleBreaker Unity MCP â€” Tool definitions for Unity Editor operations (via HTTP bridge)

MEDIUMFilesystem / path · mcp.destructive_tools · CWE-22, CWE-59

unity_amplify_disconnect_all, unity_amplify_remove_node, unity_animation_remove_curve, unity_animation_remove_event, unity_animation_remove_keyframe, unity_animation_remove_layer, unity_animation_remo

Why it matters. 34 tool(s) can delete or overwrite

Fix. prefer a read-only mode or scoped tokens; the page states the blast radius

LOWInventory / provenance · inv.hidden_file · CWE-1104

.mcpbignore

.mcpbignore

Why it matters. hidden member outside the usual dotfiles

Fix. review its purpose

LOWFilesystem / path · fs.traversal · CWE-22, CWE-59

tests/diagnostics/state-retention-audit.mjs:8

const root = new URL("../../", import.meta.url);

LOWFilesystem / path · fs.traversal · CWE-22, CWE-59

tests/fixtures/debug-log-worker.mjs:8

const { debugLog } = await import("../../src/state-persistence.js");

LOWFilesystem / path · fs.traversal · CWE-22, CWE-59

tests/helpers/cancellation-trace-server.mjs:10

await import("../../src/index.js");

LOWFilesystem / path · fs.traversal · CWE-22, CWE-59

tests/helpers/hub-fixture-server.mjs:30

await import("../../src/index.js");

LOWFilesystem / path · fs.traversal · CWE-22, CWE-59

tests/unit/agent-state.test.mjs:5

const { AgentStateStore, agentState } = await import("../../src/agent-state.js");

LOWNetwork egress · net.raw_ip · CWE-200, CWE-319

tests/helpers/mock-bridge.mjs:128

const url = new URL(req.url, `http://127.0.0.1:${this.port}`);

LOWNetwork egress · net.raw_ip · CWE-200, CWE-319

tests/unit/http-response-limit.test.mjs:16

try { await check(`http://127.0.0.1:${server.address().port}`); }

LOWPrompt injection · prompt.transfer_instruction · CWE-94, CWE-1427

docs/modernization.md:27

Undo checkpoint: plugin `b41af31` now verifies native group membership, editor-session identity and native entry signatures before targeted rollback. Four baseline failures and an additional group-col