Goose App Maker MCP

Instructions

List all available web applications.

Returns:
    A dictionary containing the list of available apps and their details

Implementation Reference

• main.py:117-162 (handler)

  Handler function for the 'app_list' tool. Lists directories in APP_DIR (~/.config/goose/app-maker-apps), collects file lists and manifest info for each app.

  @mcp.tool()
  def app_list() -> Dict[str, Any]:
      """
      List all available web applications.
      
      Returns:
          A dictionary containing the list of available apps and their details
      """
      try:
          apps = []
          for app_dir in Path(APP_DIR).iterdir():
              if app_dir.is_dir():
                  app_info = {
                      "name": app_dir.name,
                      "path": str(app_dir),
                      "files": []
                  }
                  
                  # Get the list of files
                  for file_path in app_dir.glob("**/*"):
                      if file_path.is_file():
                          rel_path = str(file_path.relative_to(app_dir))
                          app_info["files"].append(rel_path)
                  
                  # Check if there's a goose-app-manifest.json file
                  manifest_path = app_dir / "goose-app-manifest.json"
                  if manifest_path.exists():
                      try:
                          with open(manifest_path, 'r') as f:
                              manifest = json.load(f)
                              app_info["manifest"] = manifest
                      except json.JSONDecodeError:
                          app_info["manifest_error"] = "Invalid goose-app-manifest.json file"
                  
                  apps.append(app_info)
          
          return {
              "success": True,
              "apps": apps,
              "count": len(apps),
              "app_dir": APP_DIR
          }
      except Exception as e:
          logger.error(f"Error listing apps: {e}")
          return {"success": False, "error": f"Failed to list apps: {str(e)}"}

• main.py:117-117 (registration)

  Registration of the app_list tool using the @mcp.tool() decorator.

  @mcp.tool()