diff --git a/agent1.py b/agent1.py
index ca2fc24..4bc0537 100644
--- a/agent1.py
+++ b/agent1.py
@@ -226,12 +226,15 @@ def _get_agent_git_info(name: str) -> dict:
         "install_path": agent.get("install_path", default_path),
         "service_name": agent.get("service_name", default_service),
         "git_branch"  : agent.get("git_branch", "main"),
+        "ssh_host"    : agent.get("ssh_host"),
+        "ssh_user"    : agent.get("ssh_user", "root"),
     }
 
 def _handle_update_one(name: str) -> str:
     from skills.agent_update import check_update
     info = _get_agent_git_info(name)
-    return check_update(name, info["install_path"], info["git_branch"])
+    return check_update(name, info["install_path"], info["git_branch"],
+                        info["ssh_host"], info["ssh_user"])
 
 def _handle_update_all() -> str:
     from skills.agent_update import check_update
@@ -242,7 +245,8 @@ def _handle_update_all() -> str:
     results = []
     for name in registry:
         info = _get_agent_git_info(name)
-        results.append(check_update(name, info["install_path"], info["git_branch"]))
+        results.append(check_update(name, info["install_path"], info["git_branch"],
+                                    info["ssh_host"], info["ssh_user"]))
     return "\n\n".join(results) if results else "Aucun agent dans le registre."
 
 def _handle_upgrade_one(name: str) -> str:
@@ -250,7 +254,8 @@ def _handle_upgrade_one(name: str) -> str:
     info = _get_agent_git_info(name)
     self_upgrade = (name == "agent1")
     msg = do_upgrade(name, info["install_path"], info["service_name"],
-                     info["git_branch"], self_upgrade=self_upgrade)
+                     info["git_branch"], self_upgrade=self_upgrade,
+                     ssh_host=info["ssh_host"], ssh_user=info["ssh_user"])
     if self_upgrade and "Redémarrage en cours" in msg:
         # Envoyer le message XMPP avant le restart
         if xmpp_bot:
@@ -276,7 +281,8 @@ def _handle_upgrade_all() -> str:
             agent1_info = (name, info)   # traiter en dernier
             continue
         msg = do_upgrade(name, info["install_path"],
-                         info["service_name"], info["git_branch"])
+                         info["service_name"], info["git_branch"],
+                         ssh_host=info["ssh_host"], ssh_user=info["ssh_user"])
         results.append(msg)
 
     summary = "\n\n".join(results) if results else "Aucun agent mis à jour."
diff --git a/config/agents_registry.json b/config/agents_registry.json
index d36408a..329e4bb 100644
--- a/config/agents_registry.json
+++ b/config/agents_registry.json
@@ -4,7 +4,20 @@
     "mqtt_inbox": "agents/agent2_debian13/inbox",
     "mqtt_outbox": "agents/agent1/inbox",
     "speciality": "Administration Debian : apt, dpkg, systemd, conteneurs LXC/Docker, KVM, réseau, sécurité système",
-    "work_hours": { "start": "07:00", "end": "23:00", "days": ["mon","tue","wed","thu","fri","sat","sun"], "enabled": true },
+    "work_hours": {
+      "start": "07:00",
+      "end": "23:00",
+      "days": [
+        "mon",
+        "tue",
+        "wed",
+        "thu",
+        "fri",
+        "sat",
+        "sun"
+      ],
+      "enabled": true
+    },
     "install_path": "/opt/agent2_debian13",
     "service_name": "agent2_debian13",
     "git_branch": "main"
@@ -14,7 +27,20 @@
     "mqtt_inbox": "agents/agent2_ansible/inbox",
     "mqtt_outbox": "agents/agent1/inbox",
     "speciality": "Automatisation infrastructure via Ansible : playbooks, commandes ad-hoc, déploiement multi-hôtes, gestion de configuration sur le réseau local",
-    "work_hours": { "start": "07:00", "end": "23:00", "days": ["mon","tue","wed","thu","fri","sat","sun"], "enabled": true },
+    "work_hours": {
+      "start": "07:00",
+      "end": "23:00",
+      "days": [
+        "mon",
+        "tue",
+        "wed",
+        "thu",
+        "fri",
+        "sat",
+        "sun"
+      ],
+      "enabled": true
+    },
     "install_path": "/opt/agent2_ansible",
     "service_name": "agent2_ansible",
     "git_branch": "main"
@@ -24,7 +50,18 @@
     "mqtt_inbox": "agents/agent2_deploy/inbox",
     "mqtt_outbox": "agents/agent1/inbox",
     "speciality": "Déploiement d'agents : installe et configure d'autres agents sur des machines distantes ou locales via SSH",
-    "work_hours": { "start": "08:00", "end": "20:00", "days": ["mon","tue","wed","thu","fri"], "enabled": true },
+    "work_hours": {
+      "start": "08:00",
+      "end": "20:00",
+      "days": [
+        "mon",
+        "tue",
+        "wed",
+        "thu",
+        "fri"
+      ],
+      "enabled": true
+    },
     "install_path": "/opt/agent2_deploy",
     "service_name": "agent2_deploy",
     "git_branch": "main"
@@ -33,7 +70,12 @@
     "jid": "agent2_test@xmpp.ovh",
     "mqtt_inbox": "agents/agent2_test/inbox",
     "mqtt_outbox": "agents/agent1/inbox",
-    "speciality": "Spécialiste Debian : apt, systemd, conteneurs LXC/Docker, KVM, réseau, sécurité"
+    "speciality": "Administration Debian : apt, dpkg, systemd, conteneurs LXC/Docker, KVM, réseau, sécurité système",
+    "install_path": "/opt/agent2_test",
+    "service_name": "agent2_test",
+    "git_branch": "main",
+    "ssh_host": "192.168.7.13",
+    "ssh_user": "root"
   },
   "agent1": {
     "jid": "agent1@xmpp.ovh",
@@ -44,4 +86,4 @@
     "service_name": "agent",
     "git_branch": "main"
   }
-}
+}
\ No newline at end of file
diff --git a/skills/agent_update.py b/skills/agent_update.py
index 02f9ff7..2f00b6c 100644
--- a/skills/agent_update.py
+++ b/skills/agent_update.py
@@ -3,16 +3,18 @@ Utilitaire : vérification et application des mises à jour git pour les agents.
 
 Fonctions appelées directement depuis agent1.py (pas de trigger LLM).
 
-  check_update(name, install_path, branch)  → rapport git fetch
-  do_upgrade(name, install_path, service, branch) → git pull + systemctl restart
+  check_update(name, install_path, branch, ssh_host, ssh_user)
+  do_upgrade(name, install_path, service, branch, ssh_host, ssh_user, self_upgrade)
+
+Si ssh_host est défini, les commandes sont exécutées via SSH sur la machine distante.
 """
 import subprocess
 import shlex
 from pathlib import Path
 
 
-def _run(cmd: str, cwd: str = None, timeout: int = 30) -> tuple:
-    """Lance une commande shell, retourne (stdout, stderr, returncode)."""
+def _run_local(cmd: str, cwd: str = None, timeout: int = 30) -> tuple:
+    """Lance une commande locale, retourne (stdout, stderr, returncode)."""
     try:
         result = subprocess.run(
             shlex.split(cmd),
@@ -28,32 +30,74 @@ def _run(cmd: str, cwd: str = None, timeout: int = 30) -> tuple:
         return "", str(e), -1
 
 
-def check_update(agent_name: str, install_path: str, branch: str = "main") -> str:
+def _run_ssh(cmd: str, ssh_host: str, ssh_user: str = "root",
+             cwd: str = None, timeout: int = 30) -> tuple:
+    """Lance une commande via SSH, retourne (stdout, stderr, returncode)."""
+    if cwd:
+        cmd = "cd {} && {}".format(cwd, cmd)
+    ssh_cmd = "sshpass -p 'Matador3721' ssh -o StrictHostKeyChecking=no -o ConnectTimeout=10 {}@{} {}".format(
+        ssh_user, ssh_host, shlex.quote(cmd))
+    try:
+        result = subprocess.run(
+            shlex.split(ssh_cmd),
+            capture_output=True,
+            text=True,
+            timeout=timeout
+        )
+        return result.stdout.strip(), result.stderr.strip(), result.returncode
+    except subprocess.TimeoutExpired:
+        return "", "Timeout SSH ({} s)".format(timeout), -1
+    except Exception as e:
+        return "", str(e), -1
+
+
+def _run(cmd: str, cwd: str = None, timeout: int = 30,
+         ssh_host: str = None, ssh_user: str = "root") -> tuple:
+    """Dispatche local ou SSH selon ssh_host."""
+    if ssh_host:
+        return _run_ssh(cmd, ssh_host, ssh_user, cwd=cwd, timeout=timeout)
+    return _run_local(cmd, cwd=cwd, timeout=timeout)
+
+
+def check_update(agent_name: str, install_path: str, branch: str = "main",
+                 ssh_host: str = None, ssh_user: str = "root") -> str:
     """
     Vérifie si une mise à jour est disponible sur le dépôt distant.
     Effectue un git fetch puis compare HEAD avec origin/<branch>.
     """
-    path = install_path
+    remote = " [{}]".format(ssh_host) if ssh_host else ""
 
-    if not Path(path).is_dir():
-        return "[{}] Répertoire introuvable : {}".format(agent_name, path)
+    # Vérifier que le répertoire existe
+    if ssh_host:
+        out, _, rc = _run("test -d {}".format(install_path),
+                          ssh_host=ssh_host, ssh_user=ssh_user)
+        if rc != 0:
+            return "[{}{}] Répertoire introuvable : {}".format(
+                agent_name, remote, install_path)
+    else:
+        if not Path(install_path).is_dir():
+            return "[{}] Répertoire introuvable : {}".format(agent_name, install_path)
 
     # git fetch
-    out, err, rc = _run("git fetch origin {}".format(branch), cwd=path, timeout=20)
+    out, err, rc = _run("git fetch origin {}".format(branch),
+                        cwd=install_path, timeout=20,
+                        ssh_host=ssh_host, ssh_user=ssh_user)
     if rc != 0:
-        return "[{}] Erreur git fetch : {}".format(agent_name, err or out)
+        return "[{}{}] Erreur git fetch : {}".format(agent_name, remote, err or out)
 
     # Compter les commits disponibles
     out, err, rc = _run(
-        "git log HEAD..origin/{} --oneline".format(branch), cwd=path)
+        "git log HEAD..origin/{} --oneline".format(branch),
+        cwd=install_path, ssh_host=ssh_host, ssh_user=ssh_user)
     if rc != 0:
-        return "[{}] Erreur git log : {}".format(agent_name, err or out)
+        return "[{}{}] Erreur git log : {}".format(agent_name, remote, err or out)
 
     commits = [l for l in out.splitlines() if l.strip()]
     if not commits:
-        return "[{}] Déjà à jour.".format(agent_name)
+        return "[{}{}] Déjà à jour.".format(agent_name, remote)
 
-    lines = ["[{}] {} commit(s) disponible(s) :".format(agent_name, len(commits))]
+    lines = ["[{}{}] {} commit(s) disponible(s) :".format(
+        agent_name, remote, len(commits))]
     for c in commits[:10]:
         lines.append("  {}".format(c))
     if len(commits) > 10:
@@ -64,38 +108,52 @@ def check_update(agent_name: str, install_path: str, branch: str = "main") -> st
 
 def do_upgrade(agent_name: str, install_path: str,
                service_name: str, branch: str = "main",
-               self_upgrade: bool = False) -> str:
+               self_upgrade: bool = False,
+               ssh_host: str = None, ssh_user: str = "root") -> str:
     """
     Applique la mise à jour : git pull + systemctl restart.
-    Pour agent1 (self_upgrade=True), envoie la réponse AVANT le restart.
+    Pour agent1 (self_upgrade=True), retourne le message AVANT le restart.
     """
-    path = install_path
+    remote = " [{}]".format(ssh_host) if ssh_host else ""
 
-    if not Path(path).is_dir():
-        return "[{}] Répertoire introuvable : {}".format(agent_name, path)
+    # Vérifier que le répertoire existe
+    if ssh_host:
+        _, _, rc = _run("test -d {}".format(install_path),
+                        ssh_host=ssh_host, ssh_user=ssh_user)
+        if rc != 0:
+            return "[{}{}] Répertoire introuvable : {}".format(
+                agent_name, remote, install_path)
+    else:
+        if not Path(install_path).is_dir():
+            return "[{}] Répertoire introuvable : {}".format(agent_name, install_path)
 
     # git pull
     out, err, rc = _run(
-        "git pull origin {}".format(branch), cwd=path, timeout=60)
+        "git pull origin {}".format(branch),
+        cwd=install_path, timeout=60,
+        ssh_host=ssh_host, ssh_user=ssh_user)
     if rc != 0:
-        return "[{}] Erreur git pull : {}".format(agent_name, err or out)
+        return "[{}{}] Erreur git pull : {}".format(agent_name, remote, err or out)
 
     pull_msg = out or "Déjà à jour."
 
     if self_upgrade:
-        # On retourne le message AVANT le restart (agent1 l'envoie puis se redémarre)
-        return "[{}] {} \nRedémarrage en cours...".format(agent_name, pull_msg)
+        return "[{}] {}\nRedémarrage en cours...".format(agent_name, pull_msg)
 
     # systemctl restart
-    _, err, rc = _run("systemctl restart {}".format(service_name), timeout=15)
+    _, err, rc = _run("systemctl restart {}".format(service_name),
+                      timeout=15, ssh_host=ssh_host, ssh_user=ssh_user)
     if rc != 0:
-        return "[{}] Pull OK mais restart échoué : {}".format(agent_name, err)
+        return "[{}{}] Pull OK mais restart échoué : {}".format(
+            agent_name, remote, err)
 
     # Vérifier que le service est bien remonté
-    out, _, _ = _run("systemctl is-active {}".format(service_name), timeout=5)
+    out, _, _ = _run("systemctl is-active {}".format(service_name),
+                     timeout=5, ssh_host=ssh_host, ssh_user=ssh_user)
     state = out.strip()
     if state == "active":
-        return "[{}] Mise à jour appliquée. Service actif.\n{}".format(agent_name, pull_msg)
+        return "[{}{}] Mise à jour appliquée. Service actif.\n{}".format(
+            agent_name, remote, pull_msg)
     else:
-        return "[{}] Pull OK, service état : {}. Vérifiez les logs.".format(
-            agent_name, state)
+        return "[{}{}] Pull OK, service état : {}. Vérifiez les logs.".format(
+            agent_name, remote, state)