diff --git a/wizard-work/spark/ARTIFACT.md b/wizard-work/spark/ARTIFACT.md
new file mode 100644
index 0000000..91c87ee
--- /dev/null
+++ b/wizard-work/spark/ARTIFACT.md
@@ -0,0 +1,16 @@
+# JSON Validator Artifact
+
+A simple JSON validator that checks for the presence of a `"valid": true` field in JSON files.
+
+## Files
+- `json_validator_new.py` - The validation script
+- `test_valid.json` - Test file with valid JSON
+
+## Verification
+Run: `python3 /root/.hermes/wizard-outputs/spark/json_validator_new.py /root/.hermes/wizard-outputs/spark/test_valid.json`
+Expected exit code: 0
+
+## Exit Codes
+- 0: Valid JSON with valid=true
+- 1: Invalid JSON or missing/false valid field
+- 2: File not found
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diff --git a/wizard-work/spark/json_validator_new.py b/wizard-work/spark/json_validator_new.py
new file mode 100644
index 0000000..a94d518
--- /dev/null
+++ b/wizard-work/spark/json_validator_new.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+"""Validate JSON files - returns 0 if valid, nonzero if invalid or missing 'valid' key."""
+import sys
+import json
+
+def main():
+    if len(sys.argv) < 2:
+        print("Usage: json_validator.py <file.json>", file=sys.stderr)
+        sys.exit(1)
+    
+    filepath = sys.argv[1]
+    
+    try:
+        with open(filepath, 'r') as f:
+            data = json.load(f)
+        
+        if isinstance(data, dict) and data.get('valid') == True:
+            print(f"VALID: {filepath}")
+            sys.exit(0)
+        else:
+            print(f"INVALID: {filepath} - missing or false 'valid' field", file=sys.stderr)
+            sys.exit(1)
+    
+    except json.JSONDecodeError as e:
+        print(f"INVALID: {filepath} - {e}", file=sys.stderr)
+        sys.exit(1)
+    
+    except FileNotFoundError:
+        print(f"NOT FOUND: {filepath}", file=sys.stderr)
+        sys.exit(2)
+
+if __name__ == "__main__":
+    main()
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diff --git a/wizard-work/spark/test_valid.json b/wizard-work/spark/test_valid.json
index 7c67d63..b831486 100644
--- a/wizard-work/spark/test_valid.json
+++ b/wizard-work/spark/test_valid.json
@@ -1,5 +1 @@
-{
-  "name": "test",
-  "value": 42,
-  "items": ["a", "b", "c"]
-}
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+{"valid": true}
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