diff --git a/install.sh b/install.sh
index bfd445b..1e5551f 100755
--- a/install.sh
+++ b/install.sh
@@ -59,3 +59,71 @@ cleanup() {
     [[ -f "$STATE_FILE" ]] && rm -f "$STATE_FILE"
 }
 trap cleanup EXIT
+
+# ── Installation fzf ──────────────────────────────────────────────
+_install_fzf_binary() {
+    local fzf_url="https://github.com/junegunn/fzf/releases/latest/download/fzf-linux_amd64.tar.gz"
+    local tmp_fzf="/tmp/fzf_$$.tar.gz"
+    info "Téléchargement fzf depuis GitHub Releases..."
+    curl -fsSL "$fzf_url" -o "$tmp_fzf"
+    mkdir -p "$HOME/.local/bin"
+    tar -xzf "$tmp_fzf" -C "$HOME/.local/bin/" fzf
+    rm -f "$tmp_fzf"
+    export PATH="$HOME/.local/bin:$PATH"
+}
+
+install_fzf() {
+    warn "fzf non trouvé."
+    echo -e "  ${GRV_FG}Installer fzf ? [o/N]${RESET} \c"
+    read -r answer
+    [[ "$answer" != "o" && "$answer" != "O" ]] && err "fzf requis. Abandon." && exit 1
+    if command -v apt-get &>/dev/null; then
+        debug "Installation via apt"
+        apt-get install -y fzf 2>/dev/null || _install_fzf_binary
+    else
+        _install_fzf_binary
+    fi
+    command -v fzf &>/dev/null && ok "fzf installé." || { err "Impossible d'installer fzf."; exit 1; }
+}
+
+# ── Vérification des dépendances ──────────────────────────────────
+check_deps() {
+    header "Vérification des dépendances"
+    command -v git &>/dev/null || { err "git non trouvé. Installer git et relancer."; exit 1; }
+    ok "git $(git --version | awk '{print $3}')"
+    command -v fzf &>/dev/null || install_fzf
+    ok "fzf $(fzf --version | awk '{print $1}')"
+}
+
+# ── Détection des agents IA ───────────────────────────────────────
+DETECTED_AGENTS=()
+
+detect_agents() {
+    header "Détection des agents IA"
+
+    _check_agent() {
+        local name="$1" primary="$2" secondary="$3"
+        if [[ -n "$SKILLS_AGENT" && "$SKILLS_AGENT" != "$name" ]]; then
+            debug "Agent $name ignoré (SKILLS_AGENT=$SKILLS_AGENT)"
+            return
+        fi
+        if eval "$primary" &>/dev/null 2>&1 || eval "$secondary" &>/dev/null 2>&1; then
+            DETECTED_AGENTS+=("$name")
+            ok "Agent détecté : $name"
+        else
+            echo -e "${GRV_GRAY}${ICO_NA}  Agent absent : $name${RESET}"
+        fi
+    }
+
+    local npm_prefix
+    npm_prefix=$(npm config get prefix 2>/dev/null || echo "")
+
+    _check_agent "claude-code" "test -d $HOME/.claude" "command -v claude"
+    _check_agent "gemini-cli"  "command -v gemini"     "test -f ${npm_prefix}/bin/gemini"
+    _check_agent "codex"       "command -v codex"      "test -f $HOME/.npm-global/bin/codex"
+    _check_agent "hermes"      "command -v hermes"     "test -f $HOME/.local/bin/hermes"
+
+    if [[ ${#DETECTED_AGENTS[@]} -eq 0 ]]; then
+        warn "Aucun agent IA détecté. L'installation continuera mais aucun skill ne sera filtré."
+    fi
+}