// MCP TOOL REFERENCE

8TH WALL MCP SERVER TOOLS

64 tools from the 8th Wall MCP Server MCP Server, categorised by risk level.

// ALL 64 8TH WALL MCP SERVER TOOLS

READ 26 tools

Read analyze_ar_description Analyze a natural language description to determine the type of AR experience and extract key entities Read app_get Get a single app by ID (mock unless API configured) Read app_list List 8th Wall apps (mock unless API configured) Read assets_polyhaven_categories List PolyHaven categories for an asset type (hdris/textures/models/all) Read assets_polyhaven_files Get PolyHaven file metadata for a specific asset id Read assets_search_polyhaven Search PolyHaven assets (hdris/textures/models) by keyword Read assets_status Report availability of PolyHaven integration Read desktop_list_components List all custom components in the project Read desktop_list_projects List candidate 8th Wall Desktop project folders under ~/Documents/8th-Wall (or 8th Wall) Read desktop_read_json Read .expanse.json with optional JSON Pointer path Read docs_get_page Fetch a docs page and return plain text Read docs_search Search a small list of docs pages for a keyword (naive) Read get_asset_download_info Get detailed download information for a specific asset from PolyHaven Read get_template_info Get detailed information about a specific template Read list_code_templates List all available pre-built code templates Read list_templates List all available AR experience templates with descriptions Read project_get_info Summarize project structure (files and folders) under PROJECT_ROOT Read project_get_root Return the current PROJECT_ROOT used by tools Read project_list_files List files under a subdirectory of PROJECT_ROOT Read project_read_file Read a text file under PROJECT_ROOT Read scene_detect_engine Detect whether the project uses A-Frame or Three.js Read search_ar_assets Search for AR assets across multiple sources (PolyHaven, local assets, Poly Pizza). Returns ranked results. Read validate_javascript Validate JavaScript code for common errors and security issues Read desktop_guess_scene Heuristically find scene/config JSON files used by 8th Wall Desktop Read health_ping Simple health check Read prompts_asset_strategy Guidance for choosing and importing assets/textures/HDRIs for web XR apps

WRITE 33 tools

Write assets_download_url Download a file by URL into project/assets/ Write apply_experience_template Apply a pre-configured AR experience template. This automatically sets up components, code, and configurati... Write assets_unzip Unzip a .zip file into project assets directory Write create_ar_experience Create a complete AR experience from a natural language description. This tool automatically chains other t... Write desktop_add_custom_component ⚠️ WEB PROJECTS ONLY - NOT FOR DESKTOP! Add a custom A-Frame component for web-based 8th Wall projects (req... Write desktop_add_custom_script Add a custom JavaScript file to your project (for utilities, helpers, initialization code, etc.) Write desktop_add_image_target Add an image target container for AR image tracking Write desktop_add_model Add a 3D model (GLB/GLTF) from assets to the scene Write desktop_add_rotation_animation ⚠️ BROKEN - DO NOT USE! Adds unregistered attributes causing Write desktop_add_scale_animation ⚠️ BROKEN - DO NOT USE! Adds unregistered attributes causing Write desktop_add_shape Add a 3D shape to .expanse.json with proper 8th Wall validation Write desktop_add_threejs_script Add a working Three.js script with proper XR8 pipeline setup for 8th Wall Desktop Write desktop_add_video Add a video plane with custom JavaScript for video texture Write desktop_enable_face_tracking Enable face tracking in .expanse.json with optional debug mesh Write desktop_patch_json Patch .expanse.json using JSON Pointer (set/remove/push operations) Write desktop_set_model_animation Set animation clip playback for a GLB/GLTF model Write desktop_set_project Set PROJECT_ROOT to ~/Documents/8th-Wall/<name> (or EIGHTHWALL_DESKTOP_ROOT/<name>; also supports Write desktop_write_json Write entire .expanse.json (replaces file) Write project_export_zip Export the project directory to a zip archive in the workspace Write project_move_file Move/rename a file within PROJECT_ROOT Write project_scaffold Create a minimal web XR app structure (index.html, main.js, styles.css) Write project_set_root Set PROJECT_ROOT at runtime to target another folder (e.g., 8th Wall Desktop project) Write project_write_file Write text to a file under PROJECT_ROOT (creates dirs if needed) Write scene_add_animation Add a simple spin animation to meshes (Three) or an A-Frame animation entity Write scene_add_floor Add a simple floor plane (Three.js) Write scene_add_gltf_model Add a GLTF/GLB model to the scene (A-Frame or Three.js) Write scene_add_grid_helper Add a GridHelper to the scene (Three.js) Write scene_add_light Add a light to the scene Write scene_add_orbit_controls Add OrbitControls to Three.js scene Write scene_add_primitive Add a primitive shape to the scene Write scene_add_textured_plane Add a textured plane (e.g., for backgrounds/posters) Write scene_set_background_color Set scene background color Write scene_set_environment_hdr Set environment using an HDR/EXR URL

DESTRUCTIVE 2 tools

Destructive desktop_remove_component Remove a custom component from the project Destructive project_delete_file Delete a file under PROJECT_ROOT

EXECUTE 3 tools

Execute devserver_start Start a static file server for PROJECT_ROOT Execute devserver_stop Stop the static file server Execute generate_custom_javascript ⚠️ WEB PROJECTS ONLY - NOT FOR DESKTOP! Generate A-Frame components for web-based projects. For Desktop (.e...

// FAQ

How many tools does the 8th Wall MCP Server MCP server have? +

The 8th Wall MCP Server MCP server exposes 64 tools across 4 categories: Read, Write, Destructive, Execute.

How do I enforce policies on 8th Wall MCP Server tools? +

Route the 8th Wall MCP Server server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard; they are enforced on every call before it reaches the server.

What risk categories do 8th Wall MCP Server tools fall into? +

8th Wall MCP Server tools are categorised as Read (26), Write (33), Destructive (2), Execute (3). Each category has a recommended default policy.

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