diff --git a/aw-watcher-browser-classifier/classifier.py b/aw-watcher-browser-classifier/classifier.py
new file mode 100644
index 000000000..bf1959a92
--- /dev/null
+++ b/aw-watcher-browser-classifier/classifier.py
@@ -0,0 +1,111 @@
+"""
+aw-watcher-browser-classifier
+------------------------------
+A custom ActivityWatch watcher that reads events from the existing
+aw-watcher-web bucket (tab title + URL) and classifies each event into
+a research-relevant category, then writes the classified events into
+a new bucket so they're queryable/visualizable separately.
+"""
+
+import time
+import logging
+from datetime import datetime, timedelta, timezone
+from urllib.parse import urlparse
+
+from aw_client import ActivityWatchClient
+
+logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] %(message)s")
+log = logging.getLogger(__name__)
+
+CLIENT_NAME = "aw-watcher-browser-classifier"
+POLL_INTERVAL_SECONDS = 10
+SOURCE_BUCKET_SUFFIX = "aw-watcher-web"
+LOOKBACK_SECONDS = 30
+
+CATEGORY_RULES = {
+    "research": [
+        "arxiv.org", "scholar.google.com", "jstor.org", "wikipedia.org",
+        "pubmed.ncbi.nlm.nih.gov", "ieee.org", "acm.org", "researchgate.net",
+    ],
+    "dev_tools": [
+        "github.com", "stackoverflow.com", "docs.python.org", "developer.mozilla.org",
+        "leetcode.com", "neetcode.io", "npmjs.com", "pypi.org",
+    ],
+    "social_distraction": [
+        "reddit.com", "instagram.com", "twitter.com", "x.com",
+        "tiktok.com", "facebook.com", "youtube.com",
+    ],
+    "communication": [
+        "mail.google.com", "outlook.com", "slack.com", "discord.com",
+    ],
+}
+
+DEFAULT_CATEGORY = "uncategorized"
+
+
+def classify_url(url: str) -> str:
+    if not url:
+        return DEFAULT_CATEGORY
+    try:
+        domain = urlparse(url).netloc.lower()
+    except Exception:
+        return DEFAULT_CATEGORY
+    for category, domains in CATEGORY_RULES.items():
+        if any(known_domain in domain for known_domain in domains):
+            return category
+    return DEFAULT_CATEGORY
+
+
+def find_web_bucket(client: ActivityWatchClient):
+    buckets = client.get_buckets()
+    for bucket_id in buckets:
+        if SOURCE_BUCKET_SUFFIX in bucket_id:
+            return bucket_id
+    return None
+
+
+def main():
+    client = ActivityWatchClient(CLIENT_NAME, testing=False)
+
+    source_bucket = find_web_bucket(client)
+    if not source_bucket:
+        log.error(
+            "Could not find an aw-watcher-web bucket. Make sure the "
+            "ActivityWatch browser extension is installed and logging."
+        )
+        return
+
+    output_bucket = f"{CLIENT_NAME}_{client.client_hostname}"
+    client.create_bucket(output_bucket, event_type="classified_browser_activity", queued=True)
+    log.info("Reading from: %s", source_bucket)
+    log.info("Writing to:   %s", output_bucket)
+
+    with client:
+        while True:
+            since = datetime.now(timezone.utc) - timedelta(seconds=LOOKBACK_SECONDS)
+            recent_events = client.get_events(source_bucket, start=since, limit=50)
+
+            for event in recent_events:
+                url = event.data.get("url", "")
+                title = event.data.get("title", "")
+                category = classify_url(url)
+
+                classified_event = {
+                    "timestamp": event.timestamp,
+                    "duration": event.duration.total_seconds() if event.duration else 0,
+                    "data": {"url": url, "title": title, "category": category},
+                }
+                client.heartbeat(
+                    output_bucket, classified_event,
+                    pulsetime=POLL_INTERVAL_SECONDS + 5, queued=True,
+                )
+                log.info("Classified [%s] -> %s", category, url or title)
+
+            time.sleep(POLL_INTERVAL_SECONDS)
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except KeyboardInterrupt:
+        log.info("Stopped.")
diff --git a/progress.txt b/progress.txt
new file mode 100644
index 000000000..bb7f9867b
--- /dev/null
+++ b/progress.txt
@@ -0,0 +1 @@
+Update: Mon Mar 23 03:20:19 EDT 2026