As discussed (discussions/24), this new parameter 'prefix' adds an op…

src/mcpo/__init__.py

@@ -47,6 +47,9 @@ def main(
     ssl_keyfile: Annotated[
         Optional[str], typer.Option("--ssl-keyfile", "-k",  help="SSL keyfile")
     ] = None,
+    path_prefix: Annotated[
+        Optional[str], typer.Option("--path_prefix", "-x",  help="URL prefix")
+    ] = None,
 ):
     server_command = None
     if not config:
@@ -81,6 +84,17 @@ def main(
     for key, value in env_dict.items():
         os.environ[key] = value
 
+    # Whatever the prefix is, make sure it starts and ends with a /
+    if path_prefix is None:
+        # Set default value
+        path_prefix = "/"
+    # if prefix doesn't end with a /, add it
+    if not path_prefix.endswith("/"):
+        path_prefix = f"{path_prefix}/"
+    # if prefix doesn't start with a /, add it
+    if not path_prefix.startswith("/"):
+        path_prefix = f"/{path_prefix}"
+
     # Run your async run function from mcpo.main
     asyncio.run(
         run(
@@ -95,6 +109,7 @@ def main(
             server_command=server_command,
             ssl_certfile=ssl_certfile,
             ssl_keyfile=ssl_keyfile,
+            path_prefix=path_prefix,
         )
     )
 

src/mcpo/main.py

@@ -155,6 +155,7 @@ async def run(
     version = kwargs.get("version") or "1.0"
     ssl_certfile = kwargs.get("ssl_certfile")
     ssl_keyfile = kwargs.get("ssl_keyfile")
+    path_prefix = kwargs.get("path_prefix") or "/"
 
     main_app = FastAPI(
         title=name, description=description, version=version, ssl_certfile=ssl_certfile, ssl_keyfile=ssl_keyfile, lifespan=lifespan
@@ -203,7 +204,7 @@ async def run(
             sub_app.state.env = {**os.environ, **server_cfg.get("env", {})}
 
             sub_app.state.api_dependency = api_dependency
-            main_app.mount(f"/{server_name}", sub_app)
+            main_app.mount(f"{path_prefix}{server_name}", sub_app)
             main_app.description += f"\n    - [{server_name}](http://{host}:{port}/{server_name}/docs)"
     else:
         raise ValueError("You must provide either server_command or config.")