diff --git a/script/install.d/00-os.sh b/script/install.d/00-os.sh
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diff --git a/script/install.d/10-brew.sh b/script/install.d/10-brew.sh
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diff --git a/script/install.d/11-apt.sh b/script/install.d/11-apt.sh
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diff --git a/script/install.d/12-pacman.sh b/script/install.d/12-pacman.sh
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diff --git a/script/install.d/20-ssh.sh b/script/install.d/20-ssh.sh
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diff --git a/script/install.d/21-git.sh b/script/install.d/21-git.sh
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diff --git a/script/install.d/22-zsh.sh b/script/install.d/22-zsh.sh
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diff --git a/script/install.d/23-stow.sh b/script/install.d/23-stow.sh
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diff --git a/script/install.d/30-mise.sh b/script/install.d/30-mise.sh
old mode 100644
new mode 100755
index d0d8bec..7657f51
--- a/script/install.d/30-mise.sh
+++ b/script/install.d/30-mise.sh
@@ -2,8 +2,8 @@
 
 # -----------------------------------------------------------------------------
 # Description:
-#   Install mise runtime manager (base installation only).
-#   Individual tools are installed in separate scripts (31-python, 32-node, etc.)
+#   Install mise runtime manager and all development tools.
+#   Consolidated installation of Python, Node.js, GitHub CLI, Terraform, Firebase, etc.
 #
 
 # Skip in Codespaces (use pre-installed versions)
@@ -39,3 +39,50 @@ if ! command -v mise &>/dev/null; then
 fi
 
 mise --version
+
+# Define all tools to install
+typeset -a MISE_TOOLS=(
+    "python@3"
+    "poetry@latest"
+    "node@lts"
+    "gh@latest"
+    "terraform@latest"
+    "firebase@latest"
+)
+
+# Install all tools in parallel
+log_info "Installing development tools in parallel..."
+mise install "${MISE_TOOLS[@]}"
+
+# Set global versions
+log_info "Setting global versions..."
+mise use -g python@3
+mise use -g poetry@latest
+mise use -g node@lts
+mise use -g gh@latest
+mise use -g terraform@latest
+mise use -g firebase@latest
+
+# Activate mise environment for current session
+eval "$(mise activate bash)"
+export PATH="$HOME/.local/share/mise/shims:$PATH"
+
+# Setup Poetry ZSH completions
+ZSH_CUSTOM="${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}"
+if [[ -d "$ZSH_CUSTOM/plugins" ]]; then
+    POETRY_PLUGIN="$ZSH_CUSTOM/plugins/poetry"
+    if [ ! -d "$POETRY_PLUGIN" ]; then
+        mkdir -p "$POETRY_PLUGIN"
+        mise exec -- poetry completions zsh > "$POETRY_PLUGIN/_poetry"
+    fi
+fi
+
+# Verify installations using mise exec
+log_info "Verifying installations..."
+mise exec -- python --version
+mise exec -- poetry --version
+echo "node $(mise exec -- node --version)"
+echo "npm $(mise exec -- npm --version)"
+mise exec -- gh --version
+mise exec -- terraform --version
+echo "firebase: $(mise exec -- firebase --version)"
diff --git a/script/install.d/31-python.sh b/script/install.d/31-python.sh
deleted file mode 100644
index 78f586c..0000000
--- a/script/install.d/31-python.sh
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/usr/bin/env bash
-
-# -----------------------------------------------------------------------------
-# Description:
-#   Install Python via mise and configure poetry.
-#
-
-# Skip in Codespaces (use pre-installed versions)
-[[ "$DOTS_ENV" == "codespaces" ]] && { log_pass "Skipping in Codespaces"; return 0; }
-
-log_info "Installing Python..."
-mise install python@3
-mise use -g python@3
-
-log_info "Installing Poetry..."
-mise install poetry@latest
-mise use -g poetry@latest
-
-# Setup Poetry ZSH completions
-ZSH_CUSTOM="${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}"
-if [[ -d "$ZSH_CUSTOM/plugins" ]]; then
-    POETRY_PLUGIN="$ZSH_CUSTOM/plugins/poetry"
-    if [ ! -d "$POETRY_PLUGIN" ]; then
-        mkdir -p "$POETRY_PLUGIN"
-        poetry completions zsh > "$POETRY_PLUGIN/_poetry"
-    fi
-fi
-
-# Verify installations
-python --version
-poetry --version
diff --git a/script/install.d/32-node.sh b/script/install.d/32-node.sh
deleted file mode 100644
index d69a954..0000000
--- a/script/install.d/32-node.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/usr/bin/env bash
-
-# -----------------------------------------------------------------------------
-# Description:
-#   Install Node.js via mise.
-#
-
-# Skip in Codespaces (use pre-installed versions)
-[[ "$DOTS_ENV" == "codespaces" ]] && { log_pass "Skipping in Codespaces"; return 0; }
-
-log_info "Installing Node.js..."
-mise install node@lts
-mise use -g node@lts
-
-# Verify installations
-echo "node $(node --version)"
-echo "npm $(npm --version)"
diff --git a/script/install.d/33-terraform.sh b/script/install.d/33-terraform.sh
deleted file mode 100644
index 7b1d999..0000000
--- a/script/install.d/33-terraform.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/env bash
-
-# -----------------------------------------------------------------------------
-# Description:
-#   Install Terraform via mise.
-#
-
-# Skip in Codespaces (not needed)
-[[ "$DOTS_ENV" == "codespaces" ]] && { log_pass "Skipping in Codespaces"; return 0; }
-
-log_info "Installing Terraform..."
-mise install terraform@latest
-mise use -g terraform@latest
-
-# Verify installation
-terraform --version
diff --git a/script/install.d/34-firebase.sh b/script/install.d/34-firebase.sh
deleted file mode 100644
index 2f67f31..0000000
--- a/script/install.d/34-firebase.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/env bash
-
-# -----------------------------------------------------------------------------
-# Description:
-#   Install Firebase CLI via mise.
-#
-
-# Skip in Codespaces (not needed)
-[[ "$DOTS_ENV" == "codespaces" ]] && { log_pass "Skipping in Codespaces"; return 0; }
-
-log_info "Installing Firebase CLI..."
-mise install firebase@latest
-mise use -g firebase@latest
-
-# Verify installation
-echo "firebase: $(firebase --version)"
diff --git a/script/install.d/40-gh.sh b/script/install.d/40-gh.sh
deleted file mode 100644
index 774db81..0000000
--- a/script/install.d/40-gh.sh
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/usr/bin/env bash
-
-# -----------------------------------------------------------------------------
-# Description:
-#   Install GitHub CLI.
-#
-
-# Skip in Codespaces (pre-installed in universal image)
-[[ "$DOTS_ENV" == "codespaces" ]] && { log_pass "Skipping in Codespaces"; return 0; }
-
-if ! command -v gh &>/dev/null; then
-    case "$DOTS_PKG" in
-        apt)
-            # https://github.com/cli/cli/blob/trunk/docs/install_linux.md#debian-ubuntu-linux-raspberry-pi-os-apt
-            sudo mkdir -p -m 755 /etc/apt/keyrings && wget -qO- https://cli.github.com/packages/githubcli-archive-keyring.gpg | sudo tee /etc/apt/keyrings/githubcli-archive-keyring.gpg >/dev/null &&
-                sudo chmod go+r /etc/apt/keyrings/githubcli-archive-keyring.gpg &&
-                echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | sudo tee /etc/apt/sources.list.d/github-cli.list >/dev/null &&
-                sudo apt-get update -qq &&
-                sudo apt-get install -qq gh
-            ;;
-        pacman)
-            sudo pacman -S --noconfirm github-cli
-            ;;
-        brew)
-            brew install gh
-            ;;
-        *)
-            log_warn "Skipping GitHub CLI install: no supported package manager found"
-            ;;
-    esac
-fi
-
-gh --version
-
diff --git a/script/install.d/41-docker.sh b/script/install.d/41-docker.sh
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diff --git a/script/install.d/42-azure.sh b/script/install.d/42-azure.sh
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diff --git a/script/install.d/61-nerdfont.sh b/script/install.d/61-nerdfont.sh
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diff --git a/script/install.d/70-cca.sh b/script/install.d/70-cca.sh
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diff --git a/script/install.d/72-meetingbar.sh b/script/install.d/72-meetingbar.sh
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diff --git a/script/install.d/73-betterdisplay.sh b/script/install.d/73-betterdisplay.sh
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