fix: restore Python 3.12 startup and release 2.0.1

artemis/mcp/adb_server.py

@@ -27,7 +27,9 @@ if _REPO_ROOT not in sys.path:
 
 # pylint: disable=wrong-import-position
 from adbutils import AdbClient
-from mcp.server.fastmcp import Context, FastMCP
+from mcp.server.fastmcp import Context
+
+from artemis.mcp.tool_server import ArtemisFastMCP
 
 logger = logging.getLogger(__name__)
 
@@ -86,7 +88,7 @@ def configure_stdio_mode() -> None:
 
 
 # Create minimal MCP server
-mcp = FastMCP("Android_ADB_Controller")
+mcp = ArtemisFastMCP("Android_ADB_Controller")
 
 _GLOBAL_CONTROLLER = None
 _CONTROLLERS: dict[str, Any] = {}

artemis/mcp/tool_server.py

@@ -0,0 +1,37 @@
+"""Keep ARTEMIS tool descriptions stable across supported Python versions."""
+
+from textwrap import dedent
+
+from mcp.server.fastmcp import FastMCP
+
+
+class ArtemisFastMCP(FastMCP):
+    """Normalize docstring indentation before FastMCP publishes tool metadata."""
+
+    def add_tool(
+        self,
+        fn,
+        name=None,
+        title=None,
+        description=None,
+        annotations=None,
+        icons=None,
+        meta=None,
+        structured_output=None,
+    ):
+        if not description:
+            # Python 3.13+ removes this indentation at compilation; 3.12 leaves
+            # it in __doc__. Retain blank lines, including the final newline,
+            # so the existing catalog and pinned schemas stay byte-for-byte equal.
+            first, separator, body = (fn.__doc__ or "").expandtabs().partition("\n")
+            description = first.lstrip() + separator + dedent(body)
+        super().add_tool(
+            fn,
+            name=name,
+            title=title,
+            description=description,
+            annotations=annotations,
+            icons=icons,
+            meta=meta,
+            structured_output=structured_output,
+        )