diff --git a/scripts/backfill_filing_urls.py b/scripts/backfill_filing_urls.py
new file mode 100644
index 0000000..a530079
--- /dev/null
+++ b/scripts/backfill_filing_urls.py
@@ -0,0 +1,96 @@
+"""Backfill SEC EDGAR filing URLs from raw MinIO payloads."""
+import asyncio
+import json
+import os
+from datetime import datetime
+
+import asyncpg
+from minio import Minio
+
+
+async def main():
+    pool = await asyncpg.create_pool(
+        host=os.environ["POSTGRES_HOST"],
+        port=int(os.environ["POSTGRES_PORT"]),
+        database=os.environ["POSTGRES_DB"],
+        user=os.environ["POSTGRES_USER"],
+        password=os.environ["POSTGRES_PASSWORD"],
+    )
+    mc = Minio(
+        os.environ["MINIO_ENDPOINT"],
+        access_key=os.environ["MINIO_ACCESS_KEY"],
+        secret_key=os.environ["MINIO_SECRET_KEY"],
+        secure=False,
+    )
+
+    # Build URL map from raw filings data
+    objs = list(mc.list_objects("stonks-raw-filings", recursive=True))
+    print(f"Processing {len(objs)} raw filing payloads")
+
+    # Map title -> url for matching
+    title_url_map = {}
+    for obj in objs:
+        try:
+            data = json.loads(mc.get_object("stonks-raw-filings", obj.object_name).read())
+            hits = data.get("hits", {}).get("hits", [])
+            seen_adsh = set()
+            for hit in hits:
+                src = hit.get("_source", {})
+                adsh = src.get("adsh", "")
+                ciks = src.get("ciks", [])
+                if not adsh or not ciks or adsh in seen_adsh:
+                    continue
+                file_type = src.get("file_type", "")
+                if file_type in ("XML", "GRAPHIC", "ZIP", "EXCEL"):
+                    continue
+                seen_adsh.add(adsh)
+
+                cik = ciks[0].lstrip("0")
+                adsh_nodash = adsh.replace("-", "")
+                url = f"https://www.sec.gov/Archives/edgar/data/{cik}/{adsh_nodash}/{adsh}-index.htm"
+
+                form = src.get("form", "")
+                names = src.get("display_names", [])
+                entity_name = names[0].split("(CIK")[0].strip() if names else ""
+                file_desc = src.get("file_description", "")
+                title = f"{form}: {entity_name}" + (f" - {file_desc}" if file_desc else "")
+                file_date = src.get("file_date", "")
+
+                # Also try matching by file_description alone
+                if file_desc:
+                    title_url_map[file_desc] = {"url": url, "date": file_date}
+                title_url_map[title] = {"url": url, "date": file_date}
+        except Exception as e:
+            print(f"  Error processing {obj.object_name}: {e}")
+
+    print(f"Built {len(title_url_map)} title->URL mappings")
+
+    # Get filing docs without URLs
+    rows = await pool.fetch(
+        "SELECT id, title FROM documents "
+        "WHERE source_type = 'filings_api' AND (url IS NULL OR url = '')"
+    )
+    print(f"{len(rows)} filing docs missing URLs")
+
+    updated = 0
+    for row in rows:
+        title = row["title"] or ""
+        match = title_url_map.get(title)
+        if match and match["url"]:
+            pub = None
+            if match["date"]:
+                try:
+                    pub = datetime.fromisoformat(f"{match['date']}T00:00:00+00:00")
+                except Exception:
+                    pass
+            await pool.execute(
+                "UPDATE documents SET url = $1, published_at = COALESCE($2, published_at) WHERE id = $3",
+                match["url"], pub, row["id"],
+            )
+            updated += 1
+
+    print(f"Updated {updated} filing docs with URLs")
+    await pool.close()
+
+
+asyncio.run(main())
diff --git a/scripts/clear_dedupe.py b/scripts/clear_dedupe.py
new file mode 100644
index 0000000..9787639
--- /dev/null
+++ b/scripts/clear_dedupe.py
@@ -0,0 +1,8 @@
+import redis, os
+r = redis.from_url(f"redis://:{os.environ.get('REDIS_PASSWORD','')}@{os.environ['REDIS_HOST']}:{os.environ['REDIS_PORT']}/0")
+keys = list(r.scan_iter("stonks:dedupe:*"))
+if keys:
+    r.delete(*keys)
+    print(f"Cleared {len(keys)} dedupe keys")
+else:
+    print("No dedupe keys")
diff --git a/services/parser/worker.py b/services/parser/worker.py
index 791ae8b..196f1d7 100644
--- a/services/parser/worker.py
+++ b/services/parser/worker.py
@@ -45,9 +45,14 @@ async def fetch_html(url: str) -> Optional[str]:
     """Fetch article HTML for scraping."""
     if not url:
         return None
+    # SEC EDGAR requires a descriptive User-Agent with contact email per fair access policy
+    if "sec.gov" in url:
+        ua = "StonksOracle/1.0 (stonks-oracle-bot; contact@celestium.life)"
+    else:
+        ua = "StonksOracle/1.0"
     async with httpx.AsyncClient(timeout=30, follow_redirects=True) as client:
         try:
-            resp = await client.get(url, headers={"User-Agent": "StonksOracle/1.0"})
+            resp = await client.get(url, headers={"User-Agent": ua, "Accept-Encoding": "gzip, deflate"})
             resp.raise_for_status()
             return resp.text
         except Exception as e: