diff --git a/Dockerfile b/Dockerfile
index 9197ece..987d692 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,4 +20,4 @@ RUN pip install --no-cache-dir -r requirements.txt
 COPY . .
 
 CMD ["python", "main.py"]
-#harbor.freshbrewed.science/library/vikunjamcp:0.10
\ No newline at end of file
+#harbor.freshbrewed.science/library/vikunjamcp:0.11
\ No newline at end of file
diff --git a/main.py b/main.py
index 4f45afa..1a6e6cb 100644
--- a/main.py
+++ b/main.py
@@ -136,7 +136,57 @@ def add_task(project_id: int, title: str, description: str = ""):
     except requests.exceptions.RequestException as e:
         return f"Error adding task: {e}"
 
+@mcp.tool()
+def close_task(task_id: int):
+    """
+    Closes (marks as done) a task in Vikunja.
+    
+    :param task_id: The ID of the task to close.
+    """
+    if "Authorization" not in session.headers:
+        return "Please run the 'login' command first."
+    
+    task_payload = {
+        "done": True
+    }
+    
+    try:
+        response = session.post(
+            f"{VIKUNJA_URL}/api/v1/tasks/{task_id}",
+            json=task_payload
+        )
+        response.raise_for_status()
+        return response.json()
+    except requests.exceptions.RequestException as e:
+        return f"Error closing task: {e}"
+
+@mcp.tool()
+def lookup_project():
+    """
+    Retrieves all projects the user has access to and lists them by name and ID.
+    """
+    if "Authorization" not in session.headers:
+        return "Please run the 'login' command first."
+    
+    try:
+        response = session.get(f"{VIKUNJA_URL}/api/v1/projects")
+        response.raise_for_status()
+        projects = response.json()
+        
+        if not projects:
+            return "No projects found."
+        
+        result = []
+        for project in projects:
+            project_id = project.get("id", "N/A")
+            project_title = project.get("title", "Untitled")
+            result.append(f"ID: {project_id}, Name: {project_title}")
+        
+        return "\n".join(result)
+    except requests.exceptions.RequestException as e:
+        return f"Error retrieving projects: {e}"
+
 if __name__ == "__main__":
     print("--- Vikunja MCP Client ---")
-    print("Available commands: login, search_tasks, add_task, help, exit")
+    print("Available commands: login, search_tasks, add_task, close_task, lookup_project, help, exit")
     mcp.run()