diff --git a/install.sh b/install.sh
index 1e5551f..5dc56d5 100755
--- a/install.sh
+++ b/install.sh
@@ -127,3 +127,98 @@ detect_agents() {
         warn "Aucun agent IA détecté. L'installation continuera mais aucun skill ne sera filtré."
     fi
 }
+
+# ── Clone du dépôt ────────────────────────────────────────────────
+clone_repo() {
+    header "Récupération du dépôt"
+    if [[ -n "$SKILLS_REPO" ]]; then
+        REPO_DIR="$SKILLS_REPO"
+        info "Utilisation du dépôt local : $REPO_DIR"
+        return
+    fi
+    info "Clonage depuis $REPO_URL..."
+    git clone --depth=1 "$REPO_URL" "$REPO_DIR" &>/dev/null
+    ok "Dépôt cloné dans $REPO_DIR"
+}
+
+# ── Gestion des versions ──────────────────────────────────────────
+get_frontmatter_field() {
+    local file="$1" field="$2"
+    grep "^${field}:" "$file" 2>/dev/null | head -1 | awk '{print $2}' | tr -d "\"'"
+}
+
+# Retourne 0 (succès) si ver2 est plus récente que ver1
+version_is_newer() {
+    local ver1="$1" ver2="$2"
+    [[ "$ver1" == "$ver2" ]] && return 1
+    local newest
+    newest=$(printf '%s\n%s' "$ver1" "$ver2" | sort -V | tail -1)
+    [[ "$newest" == "$ver2" ]]
+}
+
+# ── Chemins de destination ────────────────────────────────────────
+get_dest_path() {
+    local cat="$1" skill="$2" agent="$3" scope="$4"
+    local base
+    case "$agent" in
+        claude-code) [[ "$scope" == "global" ]] && base="$HOME/.claude" || base=".claude" ;;
+        gemini-cli)  [[ "$scope" == "global" ]] && base="$HOME/.gemini"  || base=".gemini" ;;
+        codex)       [[ "$scope" == "global" ]] && base="$HOME/.codex"   || base=".codex" ;;
+        hermes)      [[ "$scope" == "global" ]] && base="$HOME/.hermes"  || base=".hermes" ;;
+    esac
+    echo "${base}/skills/${cat}/${skill}/SKILL.md"
+}
+
+get_local_version() {
+    local cat="$1" skill="$2" agent="$3"
+    local dest
+    dest=$(get_dest_path "$cat" "$skill" "$agent" "local")
+    [[ -f "$dest" ]] && get_frontmatter_field "$dest" "version" || echo ""
+}
+
+# ── Scan des skills disponibles ───────────────────────────────────
+# Format : "cat|skill|agent|etat|repo_version|local_version"
+SKILLS_LIST=()
+
+scan_skills() {
+    header "Scan des skills disponibles"
+    SKILLS_LIST=()
+
+    while IFS= read -r skill_file; do
+        local rel="${skill_file#${REPO_DIR}/skills/}"
+        local agent_file="${rel##*/}"
+        local agent="${agent_file%.md}"
+        local skill_path="${rel%/*}"
+        local cat="${skill_path%%/*}"
+        local skill="${skill_path#*/}"
+
+        # Filtre agent
+        local agent_detected=0
+        for a in "${DETECTED_AGENTS[@]:-}"; do
+            [[ "$a" == "$agent" ]] && agent_detected=1
+        done
+        [[ "$agent_detected" -eq 0 && ${#DETECTED_AGENTS[@]} -gt 0 ]] && continue
+
+        # Filtre tag
+        if [[ -n "$SKILLS_TAG" ]]; then
+            grep -q "$SKILLS_TAG" "$skill_file" || continue
+        fi
+
+        local repo_ver; repo_ver=$(get_frontmatter_field "$skill_file" "version")
+        local local_ver; local_ver=$(get_local_version "$cat" "$skill" "$agent")
+        local etat
+
+        if [[ -z "$local_ver" ]]; then
+            etat="new"
+        elif version_is_newer "$local_ver" "$repo_ver"; then
+            etat="upd"
+        else
+            etat="ok"
+        fi
+
+        SKILLS_LIST+=("${cat}|${skill}|${agent}|${etat}|${repo_ver}|${local_ver}")
+        debug "Skill trouvé : $cat/$skill [$agent] état=$etat"
+    done < <(find "${REPO_DIR}/skills" -name "*.md" | sort)
+
+    ok "${#SKILLS_LIST[@]} skill(s) trouvé(s)"
+}