added new mcp upload tool

app.py

@@ -29,7 +29,7 @@ def upload_docs_tool(files, docs_path="data/docs"):
     Accepts:
     - local file paths (str)
     - URLs (str)
-    - file-like objects (from Cursor attachment)
+    - file-like objects
     """
     import shutil, tempfile
 
@@ -79,7 +79,6 @@ def upload_docs_tool(files, docs_path="data/docs"):
                 pass
 
 
-
 def optimize_rag_tool(payload: str) -> str:
     """🔧 Explicit optimization request: user provides all pipeline configs manually."""
     return call_api("/optimize_rag", json.loads(payload))
@@ -113,7 +112,7 @@ DEFAULT_QA_JSON = model_to_json(QARequest)
 
 
 with gr.Blocks(theme=gr.themes.Soft()) as demo:
-    gr.Markdown("# Ragmint MCP Client")
+    gr.Markdown("# Ragmint MCP Server")
 
     # Upload Documents
     with gr.Column():
@@ -126,6 +125,42 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
         upload_btn.click(upload_docs_tool, inputs=[upload_files, upload_path], outputs=upload_out)
         gr.Markdown("---")
 
+    # Upload MCP Documents (no file uploader)
+    with gr.Column():
+        gr.Markdown("## Upload Documents via MCP")
+        gr.Markdown("📂 Upload files (local paths or URLs) to your `data/docs` folder on MCP.")
+        upload_mcp_input = gr.Textbox(
+            lines=5,
+            placeholder='Enter list of files/URLs, e.g., ["file1.txt","file2.pdf"]',
+            label="Files (JSON list)"
+        )
+        upload_mcp_path = gr.Textbox(value=DEFAULT_UPLOAD_PATH, label="Docs Path")
+        upload_mcp_out = gr.JSON(label="Response")
+        upload_mcp_btn = gr.Button("Upload via MCP", variant="primary")
+
+        # MCP callable function
+        def mcp_upload_wrapper(files_json, docs_path):
+            """
+                Upload documents to the server's docs folder via MCP.
+                Accepts:
+                - local file paths (str)
+                - URLs (str)
+                - file-like objects
+                """
+            import ast
+            try:
+                files = ast.literal_eval(files_json)
+            except Exception:
+                return {"error": "Invalid JSON list of files"}
+            return upload_docs_tool(files, docs_path)
+
+        upload_mcp_btn.click(
+            mcp_upload_wrapper,
+            inputs=[upload_mcp_input, upload_mcp_path],
+            outputs=upload_mcp_out
+        )
+    gr.Markdown("---")
+
     # Optimize RAG
     with gr.Column():
         gr.Markdown("## Optimize RAG")