diff --git a/.github/workflows/qc.yml b/.github/workflows/qc.yml
index 8b1f8169..4bc3bafd 100644
--- a/.github/workflows/qc.yml
+++ b/.github/workflows/qc.yml
@@ -34,55 +34,67 @@ jobs:
     ## Users.
     - name: Test users schema.
       run: |
+        kwalify -E -f metadata/db-xrefs.schema.yaml metadata/db-xrefs.yaml 2>&1
         kwalify -E -f metadata/db-xrefs.schema.yaml metadata/db-xrefs.yaml 2>&1 | grep 'INVALID\|ERROR' > invalid.log || true
         test $(stat -c %s invalid.log) -eq 0
     - name: Test users metadata.
       run: |
+        kwalify -E -f metadata/users.schema.yaml metadata/users.yaml 2>&1
         kwalify -E -f metadata/users.schema.yaml metadata/users.yaml 2>&1 | grep 'INVALID\|ERROR' > invalid.log || true
         test $(stat -c %s invalid.log) -eq 0
     ## Groups.
     - name: Test groups schema.
       run: |
+        kwalify -E -m metadata/groups.schema.yaml 2>&1
         kwalify -E -m metadata/groups.schema.yaml 2>&1 | grep 'INVALID\|ERROR' > invalid.log || true
         test $(stat -c %s invalid.log) -eq 0
     - name: Test groups metadata.
       run: |
+        kwalify -E -f metadata/groups.schema.yaml metadata/groups.yaml 2>&1
         kwalify -E -f metadata/groups.schema.yaml metadata/groups.yaml 2>&1 | grep 'INVALID\|ERROR' > invalid.log || true
         test $(stat -c %s invalid.log) -eq 0
     ## DB Xrefs.
     - name: Test dbxrefs schema.
       run: |
+        kwalify -E -m metadata/db-xrefs.schema.yaml 2>&1
         kwalify -E -m metadata/db-xrefs.schema.yaml 2>&1 | grep 'INVALID\|ERROR' > invalid.log || true
         test $(stat -c %s invalid.log) -eq 0
     - name: Test dbxrefs metadata.
       run: |
+        kwalify -E -f metadata/db-xrefs.schema.yaml metadata/db-xrefs.yaml 2>&1
         kwalify -E -f metadata/db-xrefs.schema.yaml metadata/db-xrefs.yaml 2>&1 | grep 'INVALID\|ERROR' > invalid.log || true
         test $(stat -c %s invalid.log) -eq 0
     ## Datasets.
     - name: Test datasets schema.
       run: |
+        kwalify -E -m metadata/datasets.schema.yaml 2>&1
         kwalify -E -m metadata/datasets.schema.yaml 2>&1 | grep 'INVALID\|ERROR' > invalid.log || true
         test $(stat -c %s invalid.log) -eq 0
     - name: Test datasets metadata.
       run: |
+        kwalify -E -f metadata/datasets.schema.yaml metadata/datasets/*.yaml 2>&1
         kwalify -E -f metadata/datasets.schema.yaml metadata/datasets/*.yaml 2>&1 | grep 'INVALID\|ERROR' > invalid.log || true
         test $(stat -c %s invalid.log) -eq 0
     ## Extension constraints.
     - name: Test extension constraints schema.
       run: |
+        kwalify -E -m metadata/extensions-constraints.schema.yaml 2>&1
         kwalify -E -m metadata/extensions-constraints.schema.yaml 2>&1 | grep 'INVALID\|ERROR' > invalid.log || true
         test $(stat -c %s invalid.log) -eq 0
     - name: Test extension constraints metadata.
       run: |
+        kwalify -E -f metadata/extensions-constraints.schema.yaml metadata/extensions-constraints.yaml 2>&1
         kwalify -E -f metadata/extensions-constraints.schema.yaml metadata/extensions-constraints.yaml 2>&1 | grep 'INVALID\|ERROR' > invalid.log || true
         test $(stat -c %s invalid.log) -eq 0
     ## GO reference species set.
     - name: Test reference species set schema.
       run: |
+        kwalify -E -m metadata/go-reference-species.schema.yaml 2>&1
         kwalify -E -m metadata/go-reference-species.schema.yaml 2>&1 | grep 'INVALID\|ERROR' > invalid.log || true
         test $(stat -c %s invalid.log) -eq 0
     - name: Test reference species set metadata.
       run: |
+        kwalify -E -f metadata/go-reference-species.schema.yaml metadata/go-reference-species.yaml 2>&1
         kwalify -E -f metadata/go-reference-species.schema.yaml metadata/go-reference-species.yaml 2>&1 | grep 'INVALID\|ERROR' > invalid.log || true
         test $(stat -c %s invalid.log) -eq 0
     ## Cross-test metadata