diff --git a/src/launcher_main/neo_case_heal.cpp b/src/launcher_main/neo_case_heal.cpp
index 375b9caca..2a7d42884 100644
--- a/src/launcher_main/neo_case_heal.cpp
+++ b/src/launcher_main/neo_case_heal.cpp
@@ -10,7 +10,7 @@
 // Heal hack :: fix poisoned installations
 
 // Binaries the engine loads by exact mixed-case name. 
-// Keep this list in sync with src/devtools/check_depot_casing.sh. 
+// Keep this list in sync with tools/check-depot-casing.sh. 
 // It's hacky but it works, and should be harmless to leave in 
 // clearly marked, use `git blame` to find the commit to revert. 
 static const char *k_pszCanonicalBinaryPaths[] =
diff --git a/tools/check-depot-casing.sh b/tools/check-depot-casing.sh
new file mode 100755
index 000000000..0e6878cf3
--- /dev/null
+++ b/tools/check-depot-casing.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+#                    ████
+#       ████████    ██████████     ▓▓▓▓
+#     ████████████  ███████████   ▓▓▓▓▓▓
+#    █████░░░█████░ █████░░░░░░░  ▓▓▓▓▓▓░
+#    █████░  █████░ █████░         ▓▓▓▓░░
+#    █████░  █████░ █████░          ░░░░
+#    █████░  █████░ ██████████      █████
+#    █████░  █████░ ██████████░     █████░
+#     ░░░░░  █████░  ░░░░░░░░░░    ████░░░
+#            █████░               ███░░░
+#             ░░░░░                ░░░
+#
+#      N E O T O K Y O ; R E B U I L D
+
+# Checks a depot staging tree for engine binaries staged under the wrong
+# file name casing. The engine loads these binaries by exact mixed-case
+# name, and Steam never repairs casing on installs, so a miscased file
+# in one upload breaks fresh Linux installs until the next full fix.
+# Run this against the staging root before every steamcmd upload:
+#
+#     ./check-depot-casing.sh /path/to/staging/root
+#
+# Exits 0 when clean, 1 with one line per offending file otherwise.
+# Keep the list below in sync with src/launcher_main/neo_case_heal.cpp
+# (PR #2055, the launcher-side repair for already-broken installs).
+
+# Show the logo when running in a terminal. The helper lives next to this
+# script in the repo; a standalone copy of this script skips it silently.
+[ -f "$(dirname "$0")/nt-logo.sh" ] && . "$(dirname "$0")/nt-logo.sh" && nt_logo
+
+root="${1:?usage: check-depot-casing.sh <staging-root>}"
+
+canonical_paths="
+bin/GameUI.so
+bin/ServerBrowser.so
+bin/libMiles.so
+bin/libTelemetryX64.so
+bin/libTelemetryX86.so
+bin/linux64/GameUI.so
+bin/linux64/ServerBrowser.so
+"
+
+status=0
+for canon in $canonical_paths; do
+    dir=$(dirname "$canon")
+    want=$(basename "$canon")
+    want_lower=$(printf '%s' "$want" | tr '[:upper:]' '[:lower:]')
+    [ -d "$root/$dir" ] || continue
+    for path in "$root/$dir"/*; do
+        [ -e "$path" ] || continue
+        have=$(basename "$path")
+        have_lower=$(printf '%s' "$have" | tr '[:upper:]' '[:lower:]')
+        if [ "$have_lower" = "$want_lower" ] && [ "$have" != "$want" ]; then
+            echo "WRONG CASING: $dir/$have (expected $dir/$want)" >&2
+            status=1
+        fi
+    done
+done
+
+if [ "$status" -eq 0 ]; then
+    echo "Depot casing OK."
+fi
+exit $status
diff --git a/tools/fix-linux-casing.sh b/tools/fix-linux-casing.sh
new file mode 100755
index 000000000..d47f7e23b
--- /dev/null
+++ b/tools/fix-linux-casing.sh
@@ -0,0 +1,75 @@
+#!/bin/bash
+#                    ████
+#       ████████    ██████████     ▓▓▓▓
+#     ████████████  ███████████   ▓▓▓▓▓▓
+#    █████░░░█████░ █████░░░░░░░  ▓▓▓▓▓▓░
+#    █████░  █████░ █████░         ▓▓▓▓░░
+#    █████░  █████░ █████░          ░░░░
+#    █████░  █████░ ██████████      █████
+#    █████░  █████░ ██████████░     █████░
+#     ░░░░░  █████░  ░░░░░░░░░░    ████░░░
+#            █████░               ███░░░
+#             ░░░░░                ░░░
+#
+#      N E O T O K Y O ; R E B U I L D
+
+# Repairs an NT;RE Linux install whose engine binaries have fully
+# lowercased file names. The engine loads these binaries by exact
+# mixed-case name, and Steam neither renames files on disk nor fails
+# verification over casing, so a broken install stays broken until the
+# files are renamed. Run from (or point at) the game install root, the
+# directory that contains bin/ and neo/:
+#
+#     ./fix-linux-casing.sh ~/.local/share/Steam/steamapps/common/NEOTOKYOREBUILD
+#
+# Safe to run repeatedly. Prints every change it makes.
+# The canonical list matches src/launcher_main/neo_case_heal.cpp
+# (PR #2055, the launcher-side repair that runs at every startup).
+
+set -u
+
+# Show the logo when running in a terminal. The helper lives next to this
+# script in the repo; a standalone copy of this script skips it silently.
+[ -f "$(dirname "$0")/nt-logo.sh" ] && . "$(dirname "$0")/nt-logo.sh" && nt_logo
+
+root="${1:-.}"
+
+if [ ! -d "$root/bin" ] || [ ! -d "$root/neo" ]; then
+    echo "error: $root does not look like an NT;RE install root (needs bin/ and neo/)" >&2
+    exit 2
+fi
+
+canonical_paths=(
+    "bin/GameUI.so"
+    "bin/ServerBrowser.so"
+    "bin/libMiles.so"
+    "bin/libTelemetryX64.so"
+    "bin/libTelemetryX86.so"
+    "bin/linux64/GameUI.so"
+    "bin/linux64/ServerBrowser.so"
+)
+
+repairs=0
+for canon in "${canonical_paths[@]}"; do
+    lower=$(printf '%s' "$canon" | tr '[:upper:]' '[:lower:]')
+    [ "$lower" = "$canon" ] && continue
+    lower_path="$root/$lower"
+    canon_path="$root/$canon"
+    [ -e "$lower_path" ] || [ -L "$lower_path" ] || continue
+
+    if [ ! -e "$canon_path" ] && [ ! -L "$canon_path" ]; then
+        mv "$lower_path" "$canon_path" && echo "renamed: $lower -> $canon" && repairs=$((repairs+1))
+    elif [ "$lower_path" -nt "$canon_path" ]; then
+        # The lowercased twin is newer, so Steam wrote it last and it
+        # carries the current content. Replace the canonical file.
+        mv -f "$lower_path" "$canon_path" && echo "replaced with newer: $canon" && repairs=$((repairs+1))
+    else
+        rm -f "$lower_path" && echo "removed stale twin: $lower" && repairs=$((repairs+1))
+    fi
+done
+
+if [ "$repairs" -eq 0 ]; then
+    echo "Nothing to repair. File name casing is already correct."
+else
+    echo "Done. $repairs file(s) repaired."
+fi
diff --git a/tools/nt-logo.sh b/tools/nt-logo.sh
new file mode 100755
index 000000000..9f85bc9aa
--- /dev/null
+++ b/tools/nt-logo.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+# Prints the shadowed NT;RE logo, in color when the terminal supports it.
+# Prints nothing when stdout is not a terminal, so piped and logged output
+# stays clean. POSIX sh so both bash and sh scripts can source it:
+#
+#     [ -f "$(dirname "$0")/nt-logo.sh" ] && . "$(dirname "$0")/nt-logo.sh" && nt_logo
+#
+# Running this file directly also prints the logo.
+
+nt_logo() {
+    [ -t 1 ] || return 0
+    # Print once per process tree: child scripts inherit the mark, so a
+    # wrapper like toolbox.sh shows the logo and the tools it runs skip it.
+    [ "${NT_LOGO_SHOWN:-}" = 1 ] && return 0
+    NT_LOGO_SHOWN=1
+    export NT_LOGO_SHOWN
+    r=''; s=''; b=''; x=''
+    if [ -z "${NO_COLOR:-}" ] && [ "${TERM:-dumb}" != dumb ]; then
+        r='\033[31m'   # red semicolon dot
+        s='\033[2m'    # dim drop shadow
+        b='\033[1m'    # bold title
+        x='\033[0m'
+    fi
+    printf '%b\n' \
+        "                    ████" \
+        "       ████████    ██████████     ${r}▓▓▓▓${x}" \
+        "     ████████████  ███████████   ${r}▓▓▓▓▓▓${x}" \
+        "    █████${s}░░░${x}█████${s}░${x} █████${s}░░░░░░░${x}  ${r}▓▓▓▓▓▓${x}${s}░${x}" \
+        "    █████${s}░${x}  █████${s}░${x} █████${s}░${x}         ${r}▓▓▓▓${x}${s}░░${x}" \
+        "    █████${s}░${x}  █████${s}░${x} █████${s}░${x}          ${s}░░░░${x}" \
+        "    █████${s}░${x}  █████${s}░${x} ██████████      █████" \
+        "    █████${s}░${x}  █████${s}░${x} ██████████${s}░${x}     █████${s}░${x}" \
+        "     ${s}░░░░░${x}  █████${s}░${x}  ${s}░░░░░░░░░░${x}    ████${s}░░░${x}" \
+        "            █████${s}░${x}               ███${s}░░░${x}" \
+        "             ${s}░░░░░${x}                ${s}░░░${x}" \
+        "" \
+        "  ${b}    N E O T O K Y O ; R E B U I L D${x}" \
+        ""
+}
+
+# Print right away when executed instead of sourced.
+case "$0" in
+    *nt-logo.sh) nt_logo ;;
+esac
diff --git a/tools/toolbox.sh b/tools/toolbox.sh
new file mode 100755
index 000000000..3da5081a9
--- /dev/null
+++ b/tools/toolbox.sh
@@ -0,0 +1,68 @@
+#!/bin/bash
+#                    ████
+#       ████████    ██████████     ▓▓▓▓
+#     ████████████  ███████████   ▓▓▓▓▓▓
+#    █████░░░█████░ █████░░░░░░░  ▓▓▓▓▓▓░
+#    █████░  █████░ █████░         ▓▓▓▓░░
+#    █████░  █████░ █████░          ░░░░
+#    █████░  █████░ ██████████      █████
+#    █████░  █████░ ██████████░     █████░
+#     ░░░░░  █████░  ░░░░░░░░░░    ████░░░
+#            █████░               ███░░░
+#             ░░░░░                ░░░
+#
+#      N E O T O K Y O ; R E B U I L D
+
+# Single entry point for the NT;RE devtools. Shows the tools as a numbered
+# menu, prompts for the one path argument, and runs the selection.
+#
+#     ./toolbox.sh
+#
+# To plug a new tool into the menu, add one line to the table below:
+# "script name|path prompt|default path|one-line description". The script
+# must live next to this file and take a single path argument.
+
+set -u
+
+here="$(cd "$(dirname "$0")" && pwd)"
+
+[ -t 0 ] || { echo "error: toolbox.sh is an interactive menu, run it from a terminal" >&2; exit 2; }
+
+[ -f "$here/nt-logo.sh" ] && . "$here/nt-logo.sh" && nt_logo
+
+tools=(
+    "check-depot-casing.sh|Staging root to check|.|Check a depot staging tree for wrongly cased binaries"
+    "fix-linux-casing.sh|Install root to repair|.|Repair a Linux install's binary file name casing"
+)
+
+while :; do
+    echo
+    echo "Tools:"
+    for i in "${!tools[@]}"; do
+        IFS='|' read -r script _ _ desc <<< "${tools[$i]}"
+        printf '  %d) %-24s %s\n' "$((i + 1))" "$script" "$desc"
+    done
+    echo "  Q) quit (default)"
+    read -rp "Select [# or Q]: " choice || exit 0
+
+    case "$choice" in
+        ''|q|Q)
+            exit 0
+            ;;
+        *[!0-9]*)
+            echo "Pick a tool number or Q." >&2
+            ;;
+        *)
+            idx=$(( choice - 1 ))
+            if [ "$idx" -lt 0 ] || [ "$idx" -ge "${#tools[@]}" ]; then
+                echo "No tool number $choice." >&2
+                continue
+            fi
+            IFS='|' read -r script prompt default _ <<< "${tools[$idx]}"
+            read -rp "$prompt [$default]: " arg || exit 0
+            echo
+            "$here/$script" "${arg:-$default}"
+            echo "($script exited $?)"
+            ;;
+    esac
+done