diff --git a/insta-lab/app/news_collector.py b/insta-lab/app/news_collector.py
new file mode 100644
index 0000000..94acda7
--- /dev/null
+++ b/insta-lab/app/news_collector.py
@@ -0,0 +1,82 @@
+"""NAVER 뉴스 검색 API 연동 — 카테고리별 시드 키워드로 일일 수집."""
+
+import html
+import logging
+import re
+from typing import Any, Dict, List, Optional
+
+import requests
+
+from .config import NAVER_CLIENT_ID, NAVER_CLIENT_SECRET, NEWS_PER_CATEGORY
+from . import db
+
+logger = logging.getLogger(__name__)
+
+NEWS_URL = "https://openapi.naver.com/v1/search/news.json"
+_HEADERS = {
+    "X-Naver-Client-Id": NAVER_CLIENT_ID,
+    "X-Naver-Client-Secret": NAVER_CLIENT_SECRET,
+}
+_TAG_RE = re.compile(r"<[^>]+>")
+
+
+def _clean(text: str) -> str:
+    if not text:
+        return ""
+    no_tag = _TAG_RE.sub("", text)
+    return html.unescape(no_tag).strip()
+
+
+def search_news(keyword: str, display: int = 30, sort: str = "date") -> List[Dict[str, Any]]:
+    """NAVER news.json 단일 호출.
+
+    Returns: list of {title, link, summary, pub_date}
+    """
+    resp = requests.get(
+        NEWS_URL,
+        headers=_HEADERS,
+        params={"query": keyword, "display": display, "sort": sort},
+        timeout=10,
+    )
+    resp.raise_for_status()
+    data = resp.json()
+    return [
+        {
+            "title": _clean(item.get("title", "")),
+            "link": item.get("link") or item.get("originallink", ""),
+            "summary": _clean(item.get("description", "")),
+            "pub_date": item.get("pubDate", ""),
+        }
+        for item in data.get("items", [])
+    ]
+
+
+def collect_for_category(category: str,
+                         seed_keywords: List[str],
+                         per_keyword: Optional[int] = None) -> int:
+    """카테고리에 대해 시드 키워드 각각으로 검색 후 DB에 삽입.
+    UNIQUE(link)가 중복 삽입을 막음. 시도된 기사 수(중복 포함) 반환.
+    """
+    per_kw = per_keyword if per_keyword is not None else max(1, NEWS_PER_CATEGORY // max(1, len(seed_keywords)))
+    seen_links = set()
+    attempted = 0
+    for kw in seed_keywords:
+        try:
+            items = search_news(kw, display=per_kw)
+        except Exception as e:
+            logger.warning("search_news failed kw=%s err=%s", kw, e)
+            continue
+        for item in items:
+            link = item["link"]
+            if not link or link in seen_links:
+                continue
+            seen_links.add(link)
+            db.add_news_article({
+                "category": category,
+                "title": item["title"],
+                "link": link,
+                "summary": item["summary"],
+                "pub_date": item["pub_date"],
+            })
+            attempted += 1
+    return attempted
diff --git a/insta-lab/tests/test_news_collector.py b/insta-lab/tests/test_news_collector.py
new file mode 100644
index 0000000..a582bac
--- /dev/null
+++ b/insta-lab/tests/test_news_collector.py
@@ -0,0 +1,89 @@
+from unittest.mock import patch, MagicMock
+import os
+import tempfile
+
+import pytest
+
+from app import db as db_module
+from app import news_collector
+
+
+@pytest.fixture
+def tmp_db(monkeypatch):
+    fd, path = tempfile.mkstemp(suffix=".db")
+    os.close(fd)
+    monkeypatch.setattr(db_module, "DB_PATH", path)
+    db_module.init_db()
+    yield path
+    # Close all SQLite WAL files before removal (needed on Windows)
+    import gc
+    gc.collect()
+    for ext in ("", "-wal", "-shm"):
+        try:
+            os.remove(path + ext)
+        except FileNotFoundError:
+            pass
+
+
+SAMPLE_RESPONSE = {
+    "items": [
+        {
+            "title": "<b>금리</b> 인상 단행",
+            "originallink": "https://news.example.com/1",
+            "link": "https://n.news.naver.com/article/1",
+            "description": "한국은행이 <b>기준금리</b>를 25bp 올렸다.",
+            "pubDate": "Fri, 15 May 2026 08:00:00 +0900",
+        },
+        {
+            "title": "환율 급등",
+            "originallink": "https://news.example.com/2",
+            "link": "https://n.news.naver.com/article/2",
+            "description": "원달러 환율이 1400원을 돌파했다.",
+            "pubDate": "Fri, 15 May 2026 09:00:00 +0900",
+        },
+    ],
+}
+
+
+def test_strip_html_and_decode_entities():
+    out = news_collector._clean(' <b>"테스트"</b> &amp; 아이템 ')
+    assert out == '"테스트" & 아이템'
+
+
+def test_search_news_parses_items(tmp_db):
+    fake_resp = MagicMock()
+    fake_resp.json.return_value = SAMPLE_RESPONSE
+    fake_resp.raise_for_status.return_value = None
+    with patch.object(news_collector.requests, "get", return_value=fake_resp):
+        items = news_collector.search_news("금리", display=10)
+    assert len(items) == 2
+    assert items[0]["title"] == "금리 인상 단행"
+    assert items[0]["summary"].startswith("한국은행")
+
+
+def test_collect_for_category_inserts(tmp_db):
+    fake_resp = MagicMock()
+    fake_resp.json.return_value = SAMPLE_RESPONSE
+    fake_resp.raise_for_status.return_value = None
+    with patch.object(news_collector.requests, "get", return_value=fake_resp):
+        news_collector.collect_for_category("economy", seed_keywords=["금리"], per_keyword=10)
+    rows = db_module.list_news_articles(category="economy", days=7)
+    assert {r["link"] for r in rows} == {
+        "https://n.news.naver.com/article/1",
+        "https://n.news.naver.com/article/2",
+    }
+
+
+def test_collect_dedupes_existing(tmp_db):
+    db_module.add_news_article({
+        "category": "economy", "title": "기존",
+        "link": "https://n.news.naver.com/article/1", "summary": ""
+    })
+    fake_resp = MagicMock()
+    fake_resp.json.return_value = SAMPLE_RESPONSE
+    fake_resp.raise_for_status.return_value = None
+    with patch.object(news_collector.requests, "get", return_value=fake_resp):
+        news_collector.collect_for_category("economy", seed_keywords=["금리"])
+    rows = db_module.list_news_articles(category="economy", days=7)
+    # 1 pre-existing + 1 newly added (the other link); UNIQUE link blocks duplicate insert
+    assert len(rows) == 2