Simplify filesystem tool to only use current directory absolute path

mcp_integration.py

@@ -367,14 +367,11 @@ async def add_filesystem_tool(mcp_client: MCPBrainClient, workspace_paths: List[
     
     Args:
         mcp_client: The MCP client to add the tool to
-        workspace_paths: List of paths to allow access to. Defaults to common workspace paths.
+        workspace_paths: List of paths to allow access to. Defaults to current directory.
     """
     if workspace_paths is None:
-        workspace_paths = [
-            "/tmp",
-            "/home/user/app",
-            "."
-        ]
+        import os
+        workspace_paths = [os.path.abspath(".")]
     
     try:
         await mcp_client.add_mcp_server(
@@ -399,11 +396,8 @@ def create_filesystem_tool_factory(workspace_paths: List[str] = None):
         Async function that adds filesystem tool to an MCP client
     """
     if workspace_paths is None:
-        workspace_paths = [
-            "/tmp",
-            "/home/user/app", 
-            "."
-        ]
+        import os
+        workspace_paths = [os.path.abspath(".")]
     
     async def add_to_client(mcp_client: MCPBrainClient):
         return await add_filesystem_tool(mcp_client, workspace_paths)
@@ -418,22 +412,19 @@ class MCPToolConfig:
         "type": "stdio",
         "command": "npx",
         "args": ["-y", "@modelcontextprotocol/server-filesystem"],
-        "workspace_paths": [
-            "/tmp",
-            "/home/user/app",
-            "."
-        ]
+        "workspace_paths": None  # Will be set to current directory at runtime
     }
     
     @staticmethod
     def get_filesystem_config(workspace_paths: List[str] = None) -> Dict[str, Any]:
         """Get filesystem tool configuration"""
         config = MCPToolConfig.FILESYSTEM_DEFAULT.copy()
-        if workspace_paths:
-            config["workspace_paths"] = workspace_paths
-            config["args"] = ["-y", "@modelcontextprotocol/server-filesystem"] + workspace_paths
-        else:
-            config["args"] = ["-y", "@modelcontextprotocol/server-filesystem"] + config["workspace_paths"]
+        if workspace_paths is None:
+            import os
+            workspace_paths = [os.path.abspath(".")]
+        
+        config["workspace_paths"] = workspace_paths
+        config["args"] = ["-y", "@modelcontextprotocol/server-filesystem"] + workspace_paths
         return config