update gradio interface

main.py

@@ -1,7 +1,7 @@
 from smolagents import CodeAgent, LiteLLMModel
 from smolagents.tools import ToolCollection
 import gradio as gr
-
+import requests
 def chat_with_agent(message, history):
     """Initialize MCP client for each request to avoid connection issues"""
     try:
@@ -34,13 +34,40 @@ def chat_with_agent(message, history):
     except Exception as e:
         return f"❌ Error: {e}\nType: {type(e).__name__}"
 
+# TODO: placeholder function
+def fetch_meta_yml(module_name):
+    # Adjust the URL or path to your actual source of nf-core modules
+    base_url = f"https://raw.githubusercontent.com/nf-core/modules/refs/heads/master/modules/nf-core/{module_name}/meta.yml"
+    try:
+        response = requests.get(base_url)
+        response.raise_for_status()
+        content = response.text
+
+        # Save for download
+        with open("meta.yml", "w") as f:
+            f.write(content)
+
+        return content, "meta.yml"
+    except Exception as e:
+        return f"Error: Could not retrieve meta.yml for module '{module_name}'\n{e}", None
+
 if __name__ == "__main__":
-    demo = gr.ChatInterface(
-        fn=chat_with_agent,
-        type="messages",
-        examples=["can you extract input/output metadata from fastqc nf-core module ?"],
-        title="Agent with MCP Tools (Per-Request Connection)",
-        description="This version creates a new MCP connection for each request."
-    )
-
-    demo.launch() 
+    with gr.Blocks() as demo:
+        gr.Markdown("### 🔍 Update an nf-core module `meta.yml` file by adding EDAM ontology terms.")
+
+        with gr.Row():
+            module_input = gr.Textbox(label="nf-core Module Name", placeholder="e.g. fastqc")
+
+        fetch_btn = gr.Button("Update meta.yml")
+
+        with gr.Row():
+            meta_output = gr.Textbox(label="meta.yml content", lines=20)
+            download_button = gr.File(label="Download meta.yml")
+
+        fetch_btn.click(
+            fn=fetch_meta_yml, # TODO: change to final function
+            inputs=module_input,
+            outputs=[meta_output, download_button]
+        )
+
+    demo.launch()