diff --git a/modules/home/terminal/hr/hr.sh b/modules/home/terminal/hr/hr.sh
index 7cdffca..1d6aaca 100644
--- a/modules/home/terminal/hr/hr.sh
+++ b/modules/home/terminal/hr/hr.sh
@@ -13,10 +13,7 @@ _hr_usage() {
   echo "  freeze    Freeze dependencies to requirements.txt"
 }
 
-_hr_init_py() {
-  echo "Initializing python devenv..."
-
-  # 1. Init devenv
+_hr_init_devenv() {
   if [ -f .gitignore ]; then
     cp .gitignore .gitignore.bak
   fi
@@ -34,8 +31,25 @@ _hr_init_py() {
   elif [ -f .gitignore ]; then
     rm .gitignore
   fi
+}
 
-  # 2. Replace devenv.nix
+_hr_add_ignores() {
+  if git rev-parse --git-dir >/dev/null 2>&1; then
+    EXCLUDE_FILE=$(git rev-parse --git-path info/exclude)
+    mkdir -p "$(dirname "$EXCLUDE_FILE")"
+
+    for file in "$@"; do
+      if ! grep -Fxq "$file" "$EXCLUDE_FILE" 2>/dev/null; then
+        echo "$file" >>"$EXCLUDE_FILE"
+        echo "Added $file to local git exclude ($EXCLUDE_FILE)"
+      fi
+    done
+  else
+    echo "Warning: Not a git repository. Skipping git ignore setup."
+  fi
+}
+
+_hr_py_files() {
   cat <<EOF >devenv.nix
 {pkgs, ...}: {
   packages = [ pkgs.google-cloud-sdk ];
@@ -69,41 +83,107 @@ EOF
 name = "google"
 url = "https://europe-west1-python.pkg.dev/mk2-prod/python-packages/simple/"
 EOF
+}
+
+_hr_rs_files() {
+  cat <<EOF >devenv.nix
+{pkgs, ...}: {
+  languages.rust = {
+    enable = true;
+    channel = "stable";
+  };
+}
+EOF
+
+  cat <<EOF >devenv.yaml
+inputs:
+  rust-overlay:
+    url: github:oxalica/rust-overlay
+    inputs:
+      nixpkgs:
+        follows: nixpkgs
+EOF
+}
+
+_hr_cpp_files() {
+  cat <<EOF >devenv.nix
+{ pkgs, ... }: 
+let
+  # Use glibc-compatible static openssl to match system libs
+  staticOpenSSL = pkgs.openssl.override { static = true; };
+  
+  # Shim to satisfy CMake looking for "ssl.a"
+  compatOpenSSL = pkgs.runCommand "openssl-compat" {} ''
+    mkdir -p \$out/lib
+    ln -s \${staticOpenSSL.out}/lib/libssl.a \$out/lib/ssl.a
+    ln -s \${staticOpenSSL.out}/lib/libcrypto.a \$out/lib/crypto.a
+  '';
+in {
+  packages = [
+    pkgs.cmake
+    pkgs.clang-tools
+    pkgs.pkg-config
+    pkgs.mosquitto
+    
+    staticOpenSSL
+    compatOpenSSL
+  ];
+  # Explicitly add lib paths so linker finds -lssl AND ssl.a
+  env.LIBRARY_PATH = "\${staticOpenSSL.out}/lib:\${compatOpenSSL}/lib";
+  env.CPATH = "\${staticOpenSSL.dev}/include";
+  
+  languages.cplusplus.enable = true;
+}
+EOF
+}
+
+_hr_init_base() {
+  local name="$1"
+  local func="$2"
+  shift 2
+  local ignores=("$@")
+  echo "Initializing $name devenv..."
+
+  # 1. Init devenv
+  _hr_init_devenv
+
+  # 2. Replace devenv.nix
+  "$func"
 
   # 3. Add to local git exclude
-  if git rev-parse --git-dir >/dev/null 2>&1; then
-    EXCLUDE_FILE=$(git rev-parse --git-path info/exclude)
-    mkdir -p "$(dirname "$EXCLUDE_FILE")"
+  IGNORES=(
+    ".devenv*"
+    ".direnv"
+    "devenv.nix"
+    "devenv.yaml"
+    "devenv.lock"
+    ".envrc"
+    "${ignores[@]}"
+  )
+  _hr_add_ignores "${IGNORES[@]}"
 
-    IGNORES=(
-      ".devenv*"
-      ".direnv"
-      "devenv.nix"
-      "devenv.yaml"
-      "devenv.lock"
-      "uv.lock"
-      "uv.toml"
-      ".envrc"
-    )
+  direnv allow
+}
 
-    for file in "${IGNORES[@]}"; do
-      if ! grep -Fxq "$file" "$EXCLUDE_FILE" 2>/dev/null; then
-        echo "$file" >>"$EXCLUDE_FILE"
-        echo "Added $file to local git exclude ($EXCLUDE_FILE)"
-      fi
-    done
-  else
-    echo "Warning: Not a git repository. Skipping git ignore setup."
-  fi
+_hr_init_py() {
+  IGNORES=(
+    "uv.lock"
+    "uv.toml"
+  )
+  _hr_init_base "Python" _hr_py_files "${IGNORES[@]}"
+}
 
-  # 4. Allow direnv
-  if command -v direnv >/dev/null; then
-    direnv allow
-    echo "Direnv allowed"
-  else
-    echo "Error: direnv not found in path."
-    return 1
-  fi
+_hr_init_rs() {
+  _hr_init_base "Rust" _hr_rs_files
+}
+
+_hr_init_cpp() {
+  _hr_init_base "C++" _hr_cpp_files
+  mkdir -p build &&
+    cd build &&
+    cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_BUILD_TYPE=Release .. &&
+    make -j$(nproc) &&
+    cp compile_commands.json ..
 }
 
 _hr_freeze() {
@@ -294,6 +374,10 @@ hr() {
 
     if [ "$1" = "init" ] && [ "$2" = "py" ]; then
       _hr_init_py
+    elif [ "$1" = "init" ] && [ "$2" = "rs" ]; then
+      _hr_init_rs
+    elif [ "$1" = "init" ] && [ "$2" = "cpp" ]; then
+      _hr_init_cpp
     elif [ "$1" = "freeze" ]; then
       _hr_freeze
     elif [ "$1" = "call" ]; then