diff --git a/deployer.py b/deployer.py
index 492ef27..b3e64b5 100644
--- a/deployer.py
+++ b/deployer.py
@@ -18,7 +18,7 @@ CATALOG_PATH = "/opt/agent_deploy/config/catalog.json"
 @dataclass
 class DeployConfig:
     """Paramètres d'un déploiement."""
-    agent_type: str          # type d'agent : debian, ansible, deploy...
+    agent_type: str          # type d'agent : debian, ansible, deploy... ou "custom"
     agent_name: str          # nom choisi par l'utilisateur (ex: "debian-prod")
     host: str                # IP ou hostname cible
     ssh_user: str            # utilisateur SSH
@@ -30,6 +30,9 @@ class DeployConfig:
     mqtt_port: int = 1883
     local: bool = False      # installation locale (pas de SSH)
     extra: dict = field(default_factory=dict)
+    git_url: Optional[str] = None        # bypass catalogue : URL git directe
+    main_script: Optional[str] = None    # script principal (None = auto-détection)
+    apt_deps: list = field(default_factory=list)   # override des dépendances apt
 
 
 class AgentCatalog:
@@ -123,8 +126,16 @@ class Deployer:
         self._cb      = progress_cb or (lambda msg: logger.info(msg))
         self._ssh     = None
 
+    # Dépendances apt minimales pour tout agent Python custom
+    _DEFAULT_APT_DEPS = ["python3", "python3-pip", "python3-venv", "git"]
+
     def deploy(self) -> tuple[bool, str]:
         """Lance le déploiement. Retourne (succès, message)."""
+        # ── Mode "from_git" : repo arbitraire, sans catalogue ──────────────
+        if self.cfg.git_url:
+            return self._deploy_from_git()
+
+        # ── Mode catalogue ──────────────────────────────────────────────────
         agent_info = self.catalog.get(self.cfg.agent_type)
         if not agent_info:
             return False, f"Type d'agent inconnu : '{self.cfg.agent_type}'. Disponibles : {self.catalog.list_types()}"
@@ -164,6 +175,73 @@ class Deployer:
             f"JID XMPP : {self.cfg.xmpp_jid}"
         )
 
+    def _deploy_from_git(self) -> tuple[bool, str]:
+        """Déploie un agent depuis une URL git arbitraire (sans catalogue)."""
+        install_path = f"/opt/{self.cfg.agent_name}"
+        service_name = self.cfg.agent_name
+        apt_deps     = self.cfg.apt_deps or self._DEFAULT_APT_DEPS
+
+        # Le main_script sera détecté après le clone si non fourni
+        main_script_holder = [self.cfg.main_script]
+
+        def detect_script():
+            if main_script_holder[0]:
+                return True, main_script_holder[0]
+            ok, result = self._detect_main_script(install_path)
+            if ok:
+                main_script_holder[0] = result
+            return ok, result
+
+        steps = [
+            ("Connexion SSH",          lambda: self._connect()),
+            ("Dépendances système",    lambda: self._install_apt(apt_deps)),
+            ("Clonage du dépôt",       lambda: self._clone_repo(self.cfg.git_url, install_path)),
+            ("Détection script",       detect_script),
+            ("Environnement Python",   lambda: self._setup_venv(install_path, [])),
+            ("Configuration",          lambda: self._write_config(install_path, "custom")),
+            ("Service systemd",        lambda: self._setup_service(install_path, service_name, main_script_holder[0])),
+            ("Démarrage",              lambda: self._start_service(service_name)),
+        ]
+
+        for step_name, step_fn in steps:
+            self._cb(f"⏳ {step_name}...")
+            try:
+                ok, msg = step_fn()
+                if not ok:
+                    self._cb(f"❌ {step_name} échoué : {msg}")
+                    self._disconnect()
+                    return False, f"Échec à l'étape '{step_name}' : {msg}"
+                self._cb(f"✓ {step_name}" + (f" → {msg}" if step_name == "Détection script" else ""))
+            except Exception as e:
+                self._disconnect()
+                return False, f"Exception lors de '{step_name}' : {e}"
+
+        self._disconnect()
+        return True, (
+            f"Agent '{self.cfg.agent_name}' déployé depuis {self.cfg.git_url}\n"
+            f"Script : {main_script_holder[0]}\n"
+            f"Service : {service_name}\n"
+            f"Chemin : {install_path}\n"
+            f"JID XMPP : {self.cfg.xmpp_jid}"
+        )
+
+    def _detect_main_script(self, install_path: str) -> tuple[bool, str]:
+        """Détecte automatiquement le script principal dans le repo cloné."""
+        # Priorité : agent_*.py > main.py > premier .py avec __main__
+        cmd = (
+            f"cd {install_path} && ("
+            f"ls agent_*.py 2>/dev/null | head -1 || "
+            f"ls main.py 2>/dev/null || "
+            f"grep -rl '__main__' *.py 2>/dev/null | head -1 || "
+            f"ls *.py 2>/dev/null | grep -v 'setup.py\\|conf' | head -1"
+            f")"
+        )
+        ok, out = self._run_remote(cmd)
+        script = out.strip().splitlines()[0].strip() if out.strip() else ""
+        if not script:
+            return False, "Aucun script Python trouvé à la racine du dépôt"
+        return True, script
+
     # ──────────────────────────────────────────────
     # Étapes de déploiement
     # ──────────────────────────────────────────────
@@ -241,9 +319,13 @@ class Deployer:
 
     def _write_config(self, install_path: str, template: str) -> tuple[bool, str]:
         """Écrit config.json avec les paramètres fournis par l'utilisateur."""
-        # Récupère les extra_config du catalogue pour ce type d'agent
-        agent_info   = self.catalog.get(self.cfg.agent_type) or {}
-        catalog_extra = agent_info.get("extra_config", {})
+        # Pour un déploiement custom (from_git), pas d'infos catalogue
+        if template == "custom":
+            agent_info, catalog_extra = {}, {}
+        else:
+            # Récupère les extra_config du catalogue pour ce type d'agent
+            agent_info    = self.catalog.get(self.cfg.agent_type) or {}
+            catalog_extra = agent_info.get("extra_config", {})
 
         # Résout les templates dans les valeurs (ex: /opt/{agent_name}/config/catalog.json)
         resolved_extra = {}
diff --git a/skills/deploy.py b/skills/deploy.py
index c48daa2..1a7429d 100644
--- a/skills/deploy.py
+++ b/skills/deploy.py
@@ -21,7 +21,9 @@ DESCRIPTION = "Déployer un agent sur une machine distante (SSH) ou locale"
 USAGE = (
     "SKILL:deploy ARGS:catalog  — liste les agents déployables\n"
     "SKILL:deploy ARGS:start <type> <nom> <host> <user> password <mdp> <xmpp_jid> <xmpp_pass> <mqtt_host>\n"
-    "SKILL:deploy ARGS:local <type> <nom> <xmpp_jid> <xmpp_pass> <mqtt_host>"
+    "SKILL:deploy ARGS:local <type> <nom> <xmpp_jid> <xmpp_pass> <mqtt_host>\n"
+    "SKILL:deploy ARGS:from_git <git_url> <nom> <host> <user> password|key <credential> <xmpp_jid> <xmpp_pass> <mqtt_host> [main_script]\n"
+    "SKILL:deploy ARGS:from_git_local <git_url> <nom> <xmpp_jid> <xmpp_pass> <mqtt_host> [main_script]"
 )
 
 
@@ -77,6 +79,51 @@ def run(args: str, context) -> str:
         )
         return _do_deploy(cfg, context)
 
+    if action == "from_git":
+        # ARGS: from_git <git_url> <nom> <host> <user> password|key <credential> <xmpp_jid> <xmpp_pass> <mqtt_host> [main_script]
+        p = rest.split()
+        if len(p) < 9:
+            return (
+                "Format : from_git <git_url> <nom> <host> <user> password|key <credential> "
+                "<xmpp_jid> <xmpp_pass> <mqtt_host> [main_script]"
+            )
+        cfg = DeployConfig(
+            agent_type="custom",
+            agent_name=p[1],
+            host=p[2],
+            ssh_user=p[3],
+            ssh_auth=p[4],
+            ssh_credential=p[5],
+            xmpp_jid=p[6],
+            xmpp_password=p[7],
+            mqtt_host=p[8],
+            mqtt_port=int(p[9]) if len(p) > 9 and p[9].isdigit() else 1883,
+            git_url=p[0],
+            main_script=p[10] if len(p) > 10 else None,
+        )
+        return _do_deploy(cfg, context)
+
+    if action == "from_git_local":
+        # ARGS: from_git_local <git_url> <nom> <xmpp_jid> <xmpp_pass> <mqtt_host> [main_script]
+        p = rest.split()
+        if len(p) < 5:
+            return "Format : from_git_local <git_url> <nom> <xmpp_jid> <xmpp_pass> <mqtt_host> [main_script]"
+        cfg = DeployConfig(
+            agent_type="custom",
+            agent_name=p[1],
+            host="localhost",
+            ssh_user="root",
+            ssh_auth="",
+            ssh_credential="",
+            xmpp_jid=p[2],
+            xmpp_password=p[3],
+            mqtt_host=p[4],
+            local=True,
+            git_url=p[0],
+            main_script=p[5] if len(p) > 5 else None,
+        )
+        return _do_deploy(cfg, context)
+
     if action == "status":
         host = rest.strip()
         if not host: