diff --git a/agents-api/agents_api/common/nlp.py b/agents-api/agents_api/common/nlp.py
index 2fec5242..bc4d3338 100644
--- a/agents-api/agents_api/common/nlp.py
+++ b/agents-api/agents_api/common/nlp.py
@@ -8,13 +8,14 @@
 nlp = spacy.load("en_core_web_sm")
 
 
-def extract_keywords(text: str, top_n: int = 10) -> list[str]:
+def extract_keywords(text: str, top_n: int = 10, clean: bool = True) -> list[str]:
     """
     Extracts significant keywords and phrases from the text.
 
     Args:
         text (str): The input text to process.
         top_n (int): Number of top keywords to extract based on frequency.
+        clean (bool): Strip non-alphanumeric characters from keywords.
 
     Returns:
         List[str]: A list of extracted keywords/phrases.
@@ -46,6 +47,9 @@ def extract_keywords(text: str, top_n: int = 10) -> list[str]:
     # Get top_n keywords
     keywords = [item for item, count in freq.most_common(top_n)]
 
+    if clean:
+        keywords = [re.sub(r"[^\w\s\-_]+", "", kw) for kw in keywords]
+
     return keywords
 
 
@@ -212,5 +216,6 @@ def paragraph_to_custom_queries(paragraph: str) -> list[str]:
     """
 
     queries = [text_to_custom_query(sentence.text) for sentence in nlp(paragraph).sents]
+    queries = [q for q in queries if q]
 
     return queries
diff --git a/agents-api/agents_api/models/utils.py b/agents-api/agents_api/models/utils.py
index e182de07..0b0c41ed 100644
--- a/agents-api/agents_api/models/utils.py
+++ b/agents-api/agents_api/models/utils.py
@@ -8,7 +8,7 @@
 from pydantic import BaseModel
 
 from ..common.utils.cozo import uuid_int_list_to_uuid4
-from ..env import do_verify_developer, do_verify_developer_owns_resource
+from ..env import debug, do_verify_developer, do_verify_developer_owns_resource
 
 P = ParamSpec("P")
 T = TypeVar("T")
@@ -185,8 +185,8 @@ def make_cozo_json_query(fields):
 
 def cozo_query(
     func: Callable[P, tuple[str | list[str | None], dict]] | None = None,
-    debug: bool | None = None,
-    only_on_error: bool = False,
+    debug: bool | None = debug,
+    only_on_error: bool = True,
 ):
     def cozo_query_dec(func: Callable[P, tuple[str | list[Any], dict]]):
         """