Add MCP Skill - CORS, Sessionless

[matrix-shop-bot.git] / skill.py

diff --git a/skill.py b/skill.py
index 82540b01157a7cf0886a78406cff6bdeec056cb3..bc99032ddda8b11ba82f00f903429e52c5c5f4f5 100644 (file)
--- a/skill.py
+++ b/skill.py
@@ -1,13 +1,44 @@
 from fastmcp import FastMCP
 from matrix_shop_bot.db import Data
 import os
+import uvicorn
+
+# CORS
+from starlette.middleware import Middleware
+from starlette.middleware.cors import CORSMiddleware
+
+# HTTP
+from starlette.applications import Starlette
+from starlette.routing import Mount
+
 
 MY_IP=os.environ.get('MY_IP')
 mcp = FastMCP("Shop Bot")
 
 @mcp.tool
-def add_item(name: str) -> 'list[str]':
-    return Data().add_item(name)
+def add_item(name: str) -> str:
+    return '\n'.join(Data().add_item(name))
+
+ 
+# Configure CORS for browser-based clients
+middleware = [
+    Middleware(
+        CORSMiddleware,
+        allow_origins=["*"],  # Allow all origins; use specific origins for security
+        allow_methods=["GET", "POST", "DELETE", "OPTIONS"],
+        allow_headers=[
+            "mcp-protocol-version",
+            "mcp-session-id",
+            "Authorization",
+            "Content-Type",
+        ],
+        expose_headers=["mcp-session-id"],
+    )
+]
+
+# if __name__ == "__main__":
+
+
 
 #@mcp.tool
 #def buy(items:str) -> 'list[str]':
@@ -44,4 +75,30 @@ def add_item(name: str) -> 'list[str]':
 #    return Data().list_purchases(store)
 
 if __name__ == "__main__":
-    mcp.run(transport="http", host=MY_IP, port=9000)
+#   mcp.run(
+#           transport="http", 
+#           host=MY_IP, 
+#           stateless_http=True,
+#           port=9000)
+
+
+       # Create the ASGI app
+    mcp_app = mcp.http_app(
+            path="/mcp",
+            # middleware=middleware
+            )
+
+    # Create a Starlette app and mount the MCP server
+    app = Starlette(
+        routes=[
+            Mount("/mcp-server", app=mcp_app),
+            # Add other routes as needed
+        ],
+        lifespan=mcp_app.lifespan,
+    )
+
+    # http_app = mcp.http_app(transport="streamable-http",path="/",middleware=custom_middleware)
+    http_app = mcp.http_app(transport="streamable-http",path="/",middleware=middleware)
+    # http_app = mcp.http_app(transport="streamable-http",path="/")
+    uvicorn.run(http_app, host=MY_IP, port=9000)
+