diff --git a/README.md b/README.md
index c4390c2..ff1c0a0 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # AIStack CLI
 
-AIStack CLI is an experimental swiss-knife command-line application designed to streamline the installation and management of AI development tools, including `gemini-cli`, `opencode` and various MCP servers. The main goal is to provide a convenient way to install and configure AI tools, ensuring minimal system, to test or use them.
+AIStack CLI is an experimental swiss-knife command-line application designed to streamline the installation and management of AI development tools, including `gemini-cli`, `opencode`, `codex` and various MCP servers. The main goal is to provide a convenient way to install and configure AI tools, ensuring minimal system, to test or use them.
 
 ## Key Features of AIStack
 
@@ -68,6 +68,10 @@ See [Gemini CLI](doc/geminicli.md)
 
 See [Opencode](doc/opencode.md) 
 
+### Codex
+
+See [Codex](doc/codex.md) 
+
 ### VS Code
 
 See [VS Code](doc/vscode.md) 
diff --git a/aistack b/aistack
index edc9cb3..123d0bf 100755
--- a/aistack
+++ b/aistack
@@ -13,6 +13,7 @@ STELLA_LOG_STATE="OFF"
 . "${_CURRENT_FILE_DIR}/lib/lib_vscode.sh"
 . "${_CURRENT_FILE_DIR}/lib/lib_gemini.sh"
 . "${_CURRENT_FILE_DIR}/lib/lib_opencode.sh"
+. "${_CURRENT_FILE_DIR}/lib/lib_codex.sh"
 . "${_CURRENT_FILE_DIR}/lib/lib_orla.sh"
 . "${_CURRENT_FILE_DIR}/lib/lib_mcp.sh"
 
@@ -63,6 +64,18 @@ Options:
     oc mcp github install|uninstall             Add mcp-github remote server configuration.
     oc mcp context7 install|uninstall           Add mcp-context7 local server configuration.
     ----
+    cx : codex - https://github.com/openai/codex
+    cx install [@version]           Install and configure Codex CLI.
+    cx uninstall                    Uninstalling Codex CLI and unregister Codex CLI PATH (keep all configuration unchanged, to remove configuration use 'aistack cx reset' command)
+    cx configure                    Configure Codex CLI. ('aistack cx install' include configuration)
+    cx show-config                  Show current Codex CLI configuration.
+    cx reset                        Reset all Codex CLI configuration.
+    cx register <shell>|vs          Register Codex CLI PATH into shell env PATH ("bash", "zsh" or "fish") or into VS Code integrated terminal env PATH ("vs")
+    cx unregister <shell>|vs        Unregister Codex CLI PATH into shell env PATH ("bash", "zsh", "fish" or "all") or into VS Code integrated terminal env PATH ("vs")
+    cx launch [context folder] -- <other codex options>
+                                    Launch Codex CLI. Instead use 'codex' command if ${AISTACK_CODEX_LAUNCHER_HOME} is in your PATH,
+                                    you could use 'aistack cx register <shell>'
+    ----
     kc : kilocode VS Code extension - https://kilo.ai/
     kc connect cpa                      Connect KiloCode VS Code extension to CLIProxyAPI. (require 'aistack cpa install' before)
     ----
@@ -199,6 +212,9 @@ main() {
         cpa)
             . "${_CURRENT_FILE_DIR}/lib/main_cpa.sh"
             ;;
+        cx)
+            . "${_CURRENT_FILE_DIR}/lib/main_cx.sh"
+            ;;
         vs)
             . "${_CURRENT_FILE_DIR}/lib/main_vs.sh"
             ;;
diff --git a/doc/codex.md b/doc/codex.md
new file mode 100644
index 0000000..57b1373
--- /dev/null
+++ b/doc/codex.md
@@ -0,0 +1,13 @@
+# Codex CLI
+
+This page is a placeholder for Codex CLI usage with AIStack.
+
+Basic lifecycle commands:
+
+```bash
+./aistack cx install
+./aistack cx register bash
+./aistack cx launch -- --help
+./aistack cx show-config
+./aistack cx reset
+```
diff --git a/lib/lib.sh b/lib/lib.sh
index 67002ae..3115385 100644
--- a/lib/lib.sh
+++ b/lib/lib.sh
@@ -18,6 +18,7 @@ aistack_path() {
     node_path
     gemini_path
     opencode_path
+    codex_path
     vscode_path
     cpa_path
     orla_path
@@ -194,6 +195,8 @@ aistack_uninstall() {
     gemini_path_unregister_for_vs_terminal
     opencode_path_unregister_for_shell "all"
     opencode_path_unregister_for_vs_terminal
+    codex_path_unregister_for_shell "all"
+    codex_path_unregister_for_vs_terminal
     orla_path_unregister_for_shell "all"
     orla_path_unregister_for_vs_terminal
 
diff --git a/lib/lib_codex.sh b/lib/lib_codex.sh
new file mode 100644
index 0000000..aa44780
--- /dev/null
+++ b/lib/lib_codex.sh
@@ -0,0 +1,108 @@
+codex_path() {
+    # codex specific paths
+    export AISTACK_CODEX_CONFIG_HOME="${HOME}/.codex"
+    export AISTACK_CODEX_CONFIG_FILE="${AISTACK_CODEX_CONFIG_HOME}/config.toml"
+
+    # aistack path for codex
+    export AISTACK_CODEX_LAUNCHER_HOME="${AISTACK_LAUNCHER_HOME}/codex"
+    mkdir -p "${AISTACK_CODEX_LAUNCHER_HOME}"
+}
+
+codex_path_register_for_shell() {
+    local shell_name="$1"
+    path_register_for_shell "codex" "$shell_name" "${AISTACK_CODEX_LAUNCHER_HOME}"
+}
+
+codex_path_unregister_for_shell() {
+    local shell_name="$1"
+    path_unregister_for_shell "codex" "$shell_name"
+}
+
+codex_path_register_for_vs_terminal() {
+    vscode_path_register_for_vs_terminal "codex" "${AISTACK_CODEX_LAUNCHER_HOME}"
+}
+
+codex_path_unregister_for_vs_terminal() {
+    vscode_path_unregister_for_vs_terminal "codex" "${AISTACK_CODEX_LAUNCHER_HOME}"
+}
+
+codex_install() {
+    local version="$1"
+    [ -z "${version}" ] && version="@latest"
+
+    echo "Installing Codex CLI ${version}"
+    PATH="${AISTACK_NODEJS_BIN_PATH}:${STELLA_ORIGINAL_SYSTEM_PATH}" npm install --verbose -g @openai/codex${version}
+}
+
+codex_uninstall() {
+    PATH="${AISTACK_NODEJS_BIN_PATH}:${STELLA_ORIGINAL_SYSTEM_PATH}" npm uninstall -g @openai/codex
+}
+
+codex_launch_export_variables="AISTACK_RUNTIME_PATH_FILE AISTACK_NODEJS_BIN_PATH"
+codex_launch() {
+    set -- "$@"
+
+    (
+        . "${AISTACK_RUNTIME_PATH_FILE}"
+
+        if [ "$#" -gt 0 ]; then
+            "${AISTACK_NODEJS_BIN_PATH}/codex" "$@"
+        else
+            "${AISTACK_NODEJS_BIN_PATH}/codex"
+        fi
+    )
+}
+
+codex_launcher_manage() {
+    local action="${1:-create}"
+
+    case $action in
+        create)
+            {
+                echo '#!/bin/sh'
+                for v in $codex_launch_export_variables; do
+                    printf '%s=%s\n' "$v" "$(shell_quote_posix "${!v}")"
+                done
+
+                declare -f codex_launch
+
+                echo codex_launch \"\$@\"
+            } > "${AISTACK_CODEX_LAUNCHER_HOME}/codex"
+
+            chmod +x "${AISTACK_CODEX_LAUNCHER_HOME}/codex"
+            ;;
+        delete)
+            rm -f "${AISTACK_CODEX_LAUNCHER_HOME}/codex"
+            ;;
+    esac
+}
+
+codex_settings_configure() {
+    mkdir -p "${AISTACK_CODEX_CONFIG_HOME}"
+
+    local start_marker="# >>> aistack-codex-settings >>>"
+    local end_marker="# <<< aistack-codex-settings <<<"
+    local template="${AISTACK_POOL}/settings/codex/config.toml"
+    local tmp_file="$(mktemp)"
+
+    [ -f "${AISTACK_CODEX_CONFIG_FILE}" ] || touch "${AISTACK_CODEX_CONFIG_FILE}"
+
+    awk -v start="$start_marker" -v end="$end_marker" '
+        $0 == start {in_block=1; next}
+        $0 == end {in_block=0; next}
+        !in_block {print}
+    ' "${AISTACK_CODEX_CONFIG_FILE}" > "$tmp_file"
+
+    cat "$tmp_file" > "${AISTACK_CODEX_CONFIG_FILE}"
+    rm -f "$tmp_file"
+
+    {
+        printf "\n%s\n" "$start_marker"
+        cat "$template"
+        printf "\n%s\n" "$end_marker"
+    } >> "${AISTACK_CODEX_CONFIG_FILE}"
+}
+
+codex_settings_remove() {
+    rm -Rf "$AISTACK_CODEX_CONFIG_HOME"
+}
diff --git a/lib/main_cx.sh b/lib/main_cx.sh
new file mode 100644
index 0000000..df8b134
--- /dev/null
+++ b/lib/main_cx.sh
@@ -0,0 +1,98 @@
+if ! check_requirements "jq"; then echo " -- ERROR : jq missing, launch aistack init"; exit 1; fi;
+local sub_command="$1"
+shift
+case "$sub_command" in
+    install)
+        if ! check_requirements "nodejs"; then echo " -- ERROR : nodejs missing, launch aistack init"; exit 1; fi;
+
+        codex_install "$1"
+
+        echo "Configuring Codex CLI"
+        codex_settings_configure
+
+        codex_launcher_manage
+
+        echo "You could now register it's path in shell OR vscode terminal"
+        echo "$0 cx register bash|zsh|fish"
+        echo "   OR"
+        echo "$0 cx register vs"
+        ;;
+    uninstall)
+        if ! check_requirements "nodejs"; then echo " -- ERROR : nodejs missing, launch aistack init"; exit 1; fi;
+
+        echo "Uninstalling Codex CLI and unregister Codex CLI PATH (keep all configuration unchanged, to remove configuration use reset command)"
+        codex_uninstall
+
+        codex_path_unregister_for_shell "all"
+        codex_path_unregister_for_vs_terminal
+
+        codex_launcher_manage "delete"
+        ;;
+    configure)
+        echo "Configuring Codex CLI"
+        codex_settings_configure
+
+        codex_launcher_manage
+        ;;
+    reset)
+        echo "Resetting Codex CLI configuration"
+        codex_settings_remove
+
+        codex_launcher_manage
+        ;;
+    register)
+        echo "Registering Codex CLI launcher in PATH for $1"
+        case "$1" in
+            "vs")
+                codex_path_register_for_vs_terminal
+                ;;
+            *)
+                codex_path_register_for_shell "$1"
+                ;;
+        esac
+        ;;
+    unregister)
+        echo "Unegistering Codex CLI launcher PATH from $1"
+        case "$1" in
+            "vs")
+                codex_path_unregister_for_vs_terminal
+                ;;
+            *)
+                codex_path_unregister_for_shell "$1"
+                ;;
+        esac
+        ;;
+    show-config)
+        if [ -f "$AISTACK_CODEX_CONFIG_FILE" ]; then
+            echo "Current Codex CLI configuration file : $AISTACK_CODEX_CONFIG_FILE"
+            cat "$AISTACK_CODEX_CONFIG_FILE"
+        else
+            echo "No Codex CLI configuration file found."
+        fi
+        ;;
+
+    launch)
+        codex_launcher_manage
+
+        local folder=
+        if [ -n "$1" ] && [ "$1" != "--" ]; then
+            folder="$1"
+            if [ -d "$folder" ]; then
+                echo "change to context folder : $folder"
+                cd "$folder" || exit 1
+                shift
+            else
+                echo "Error: Directory '$folder' not found"
+                exit 1
+            fi
+        fi
+        [ "$1" = "--" ] && shift
+
+        codex_launch "$@"
+        ;;
+    *)
+        echo "Error: Unknown command $sub_command for cx"
+        usage
+        exit 1
+        ;;
+esac
diff --git a/pool/settings/codex/config.toml b/pool/settings/codex/config.toml
new file mode 100644
index 0000000..a49c2fc
--- /dev/null
+++ b/pool/settings/codex/config.toml
@@ -0,0 +1,5 @@
+# Default settings managed by aistack.
+# https://github.com/openai/codex
+model = "gpt-5-codex"
+approval_policy = "on-request"
+sandbox_mode = "workspace-write"