diff --git a/app.py b/app.py
index ec21443..cfa9d8f 100644
--- a/app.py
+++ b/app.py
@@ -214,32 +214,50 @@ def normalize_components(raw_components: list) -> list:
 # getrennt von SkillSpectors eigenem Scan, nur um der KI echten Kontext für
 # den "Wofür ist das?"-Absatz zu geben statt nur der Sicherheitsfunde.
 # --------------------------------------------------------------------------- #
-def extract_skill_context(target: str, is_zip: bool, work_dir: str) -> str:
-    context_dir = Path(work_dir) / "context_extract"
-    try:
-        context_dir.mkdir(exist_ok=True)
-        if is_zip:
-            with zipfile.ZipFile(target) as zf:
-                zf.extractall(context_dir)
-        else:
+def extract_skill_context(target: str, work_dir: str) -> str:
+    if target.startswith("http://") or target.startswith("https://"):
+        context_dir = Path(work_dir) / "context_extract"
+        try:
+            context_dir.mkdir(exist_ok=True)
             subprocess.run(
                 ["git", "clone", "--depth", "1", target, str(context_dir / "repo")],
                 timeout=60,
                 capture_output=True,
                 text=True,
             )
-        candidates = (
-            list(context_dir.rglob("SKILL.md"))
-            or list(context_dir.rglob("skill.md"))
-            or list(context_dir.rglob("README.md"))
-        )
-        if not candidates:
+            candidates = (
+                list(context_dir.rglob("SKILL.md"))
+                or list(context_dir.rglob("skill.md"))
+                or list(context_dir.rglob("README.md"))
+            )
+            return candidates[0].read_text(errors="ignore")[:3000] if candidates else ""
+        except Exception:
             return ""
-        return candidates[0].read_text(errors="ignore")[:3000]
+        finally:
+            shutil.rmtree(context_dir, ignore_errors=True)
+
+    if target.lower().endswith(".zip"):
+        context_dir = Path(work_dir) / "context_extract"
+        try:
+            context_dir.mkdir(exist_ok=True)
+            with zipfile.ZipFile(target) as zf:
+                zf.extractall(context_dir)
+            candidates = (
+                list(context_dir.rglob("SKILL.md"))
+                or list(context_dir.rglob("skill.md"))
+                or list(context_dir.rglob("README.md"))
+            )
+            return candidates[0].read_text(errors="ignore")[:3000] if candidates else ""
+        except Exception:
+            return ""
+        finally:
+            shutil.rmtree(context_dir, ignore_errors=True)
+
+    # Einzeln hochgeladene Datei (z. B. eine reine SKILL.md ohne ZIP)
+    try:
+        return Path(target).read_text(errors="ignore")[:3000]
     except Exception:
         return ""
-    finally:
-        shutil.rmtree(context_dir, ignore_errors=True)
 
 
 # --------------------------------------------------------------------------- #
@@ -437,8 +455,8 @@ a{color:var(--orange)}
     <form method="post" enctype="multipart/form-data">
       <label>Git-Repository-URL</label>
       <input type="text" name="git_url" placeholder="https://git.obraasch.de/olli1986/mein-skill">
-      <label>...oder ZIP-Datei hochladen (max. 50&nbsp;MB)</label>
-      <input type="file" name="zip_file" accept=".zip">
+      <label>...oder Datei hochladen (ZIP-Archiv oder einzelne SKILL.md, max. 50&nbsp;MB)</label>
+      <input type="file" name="zip_file" accept=".zip,.md">
       <label>Wie ausführlich soll das Ergebnis sein?</label>
       <select name="report_level">
         <option value="quick">Nur Einschätzung (Score, Empfehlung, Fund-Anzahl – am schnellsten)</option>
@@ -577,9 +595,10 @@ def index():
     work_dir = tempfile.mkdtemp(dir=SCAN_TMP_DIR)
     try:
         if zip_file and zip_file.filename:
-            zip_path = Path(work_dir) / "upload.zip"
-            zip_file.save(zip_path)
-            target = str(zip_path)
+            safe_name = Path(zip_file.filename).name or "upload"
+            upload_path = Path(work_dir) / safe_name
+            zip_file.save(upload_path)
+            target = str(upload_path)
         elif git_url:
             if not is_public_target(git_url):
                 return render_template_string(
@@ -594,7 +613,7 @@ def index():
                 PAGE,
                 allow_llm=ALLOW_LLM,
                 result=None,
-                error="Bitte eine Git-URL angeben oder eine ZIP-Datei hochladen.",
+                error="Bitte eine Git-URL angeben oder eine Datei hochladen.",
             )
 
         report_path = Path(work_dir) / "report.json"
@@ -617,9 +636,7 @@ def index():
             summary_text = None
             summary_failed = False
             if use_llm:
-                skill_context = extract_skill_context(
-                    target, is_zip=bool(zip_file and zip_file.filename), work_dir=work_dir
-                )
+                skill_context = extract_skill_context(target, work_dir=work_dir)
                 summary_text = generate_report_summary(result, skill_context)
                 summary_failed = summary_text is None