feat: clod can build from litematica schematics

minecraft-mcp/src/minecraft_mcp/server.py

@@ -315,11 +315,19 @@ async def save_schematic(name: str, x1: int, y1: int, z1: int, x2: int, y2: int,
 @mcp.tool()
 async def load_schematic(name: str, x: int, y: int, z: int) -> str:
     """Load a previously saved schematic and place it at the given origin coordinates.
-    Name may only contain letters, numbers, underscore, and hyphen."""
+    Name may only contain letters, numbers, underscore, and hyphen.
+    Supports both .litematic (Litematica) and .json formats — .litematic is checked first."""
     await _ensure_build_session(x, y, z)
     return _fmt(await _request("POST", "/load_schematic", json={
         "name": name, "x": x, "y": y, "z": z,
-    }, timeout=30.0))
+    }, timeout=120.0))
+
+
+@mcp.tool()
+async def list_schematics() -> str:
+    """List all available schematics (.json and .litematic) in the world's schematics folder.
+    Returns name, format, and file size for each schematic."""
+    return _fmt(await _request("GET", "/list_schematics"))
 
 
 @mcp.tool()