diff --git a/backend/app/agent.py b/backend/app/agent.py
index edaaf0a..4f8428a 100644
--- a/backend/app/agent.py
+++ b/backend/app/agent.py
@@ -334,36 +334,6 @@ async def run_agent(
                     }
                 )
 
-                # Vérification statique automatique après toute écriture de
-                # code : l'erreur revient au modèle dans le même tour
-                # (1 passe de correction max, bornée par MAX_ITERATIONS).
-                if (
-                    name in ("write_file", "edit_file")
-                    and status == "ok"
-                    and str(args.get("path", "")).lower().endswith(
-                        (".py", ".js", ".mjs", ".html", ".htm", ".json")
-                    )
-                ):
-                    try:
-                        from .tools import run_check
-                        check = run_check(args["path"])
-                    except ToolError:
-                        check = None
-                    if check and not check["ok"]:
-                        record = {
-                            "name": "run_check",
-                            "args": {"path": args["path"]},
-                            "summary": check["summary"],
-                            "status": "error",
-                        }
-                        collected.append(record)
-                        yield {"type": "tool_result", **record}
-                        convo.append({
-                            "role": "tool",
-                            "tool_name": "run_check",
-                            "content": json.dumps(check, ensure_ascii=False),
-                        })
-
             # Une commande shell attend une validation : on interrompt la boucle.
             if awaiting_confirmation:
                 # Laisse le modèle conclure son tour (message d'attente).
diff --git a/backend/app/tools.py b/backend/app/tools.py
index f6cf731..2ecea97 100644
--- a/backend/app/tools.py
+++ b/backend/app/tools.py
@@ -103,6 +103,15 @@ def _verify_written(target: str) -> str | None:
             problems = check_html(target)
             if problems:
                 return " ; ".join(problems)
+        elif ext in (".js", ".mjs"):
+            node = shutil.which("node")
+            if node:
+                proc = subprocess.run(
+                    [node, "--check", target], capture_output=True, text=True,
+                    timeout=15,
+                )
+                if proc.returncode != 0:
+                    return (proc.stderr or proc.stdout)[:300]
     except SyntaxError as exc:
         return f"SyntaxError ligne {exc.lineno}: {exc.msg}"
     except ValueError as exc: