diff --git a/app/core/schema_loader.py b/app/core/schema_loader.py
new file mode 100644
index 0000000..019755f
--- /dev/null
+++ b/app/core/schema_loader.py
@@ -0,0 +1,22 @@
+from __future__ import annotations
+import json
+import os
+from functools import lru_cache
+from jsonschema import Draft202012Validator, RefResolver
+
+SCHEMAS_DIR = os.getenv("SCHEMAS_DIR", os.path.join(os.path.dirname(os.path.dirname(__file__)), "..", "schemas"))
+
+@lru_cache(maxsize=16)
+def load_schema(name: str) -> dict:
+    # name: "note.schema.json" | "chunk.schema.json" | "edge.schema.json"
+    path = os.path.join(SCHEMAS_DIR, name)
+    if not os.path.isfile(path):
+        raise FileNotFoundError(f"Schema not found: {path}")
+    with open(path, "r", encoding="utf-8") as f:
+        return json.load(f)
+
+@lru_cache(maxsize=16)
+def get_validator(name: str) -> Draft202012Validator:
+    schema = load_schema(name)
+    resolver = RefResolver.from_schema(schema)
+    return Draft202012Validator(schema, resolver=resolver)