diff --git a/.clang-tidy b/.clang-tidy
new file mode 100644
index 0000000..f0dfdf1
--- /dev/null
+++ b/.clang-tidy
@@ -0,0 +1,101 @@
+WarningsAsErrors: '*'
+HeaderFilterRegex: '.*\.hpp'
+FormatStyle: file
+Checks: >
+  -*,
+  bugprone-*,
+  -bugprone-easily-swappable-parameters,
+  -bugprone-forward-declararion-namespace,
+  -bugprone-forward-declararion-namespace,
+  -bugprone-macro-parentheses,
+  -bugprone-narrowing-conversions,
+  -bugprone-branch-clone,
+  -bugprone-assignment-in-if-condition,
+  concurrency-*,
+  -concurrency-mt-unsafe,
+  cppcoreguidelines-*,
+  -cppcoreguidelines-owning-memory,
+  -cppcoreguidelines-avoid-magic-numbers,
+  -cppcoreguidelines-pro-bounds-constant-array-index,
+  -cppcoreguidelines-avoid-const-or-ref-data-members,
+  -cppcoreguidelines-non-private-member-variables-in-classes,
+  -cppcoreguidelines-avoid-goto,
+  -cppcoreguidelines-pro-bounds-array-to-pointer-decay,
+  -cppcoreguidelines-avoid-do-while,
+  -cppcoreguidelines-avoid-non-const-global-variables,
+  -cppcoreguidelines-special-member-functions,
+  -cppcoreguidelines-explicit-virtual-functions,
+  -cppcoreguidelines-avoid-c-arrays,
+  -cppcoreguidelines-pro-bounds-pointer-arithmetic,
+  -cppcoreguidelines-narrowing-conversions,
+  -cppcoreguidelines-pro-type-union-access,
+  -cppcoreguidelines-pro-type-member-init,
+  -cppcoreguidelines-macro-usage,
+  -cppcoreguidelines-macro-to-enum,
+  -cppcoreguidelines-init-variables,
+  -cppcoreguidelines-pro-type-cstyle-cast,
+  -cppcoreguidelines-pro-type-vararg,
+  -cppcoreguidelines-pro-type-reinterpret-cast,
+  google-global-names-in-headers,
+  -google-readability-casting,
+  google-runtime-operator,
+  misc-*,
+  -misc-unused-parameters,
+  -misc-no-recursion,
+  -misc-non-private-member-variables-in-classes,
+  -misc-include-cleaner,
+  -misc-use-anonymous-namespace,
+  -misc-const-correctness,
+  modernize-*,
+  -modernize-return-braced-init-list,
+  -modernize-use-trailing-return-type,
+  -modernize-use-using,
+  -modernize-use-override,
+  -modernize-avoid-c-arrays,
+  -modernize-macro-to-enum,
+  -modernize-loop-convert,
+  -modernize-use-nodiscard,
+  -modernize-pass-by-value,
+  -modernize-use-auto,
+  performance-*,
+  -performance-avoid-endl,
+  -performance-unnecessary-value-param,
+  portability-std-allocator-const,
+  readability-*,
+  -readability-function-cognitive-complexity,
+  -readability-function-size,
+  -readability-identifier-length,
+  -readability-magic-numbers,
+  -readability-uppercase-literal-suffix,
+  -readability-braces-around-statements,
+  -readability-redundant-access-specifiers,
+  -readability-else-after-return,
+  -readability-container-data-pointer,
+  -readability-implicit-bool-conversion,
+  -readability-avoid-nested-conditional-operator,
+  -readability-redundant-member-init,
+  -readability-redundant-string-init,
+  -readability-avoid-const-params-in-decls,
+  -readability-named-parameter,
+  -readability-convert-member-functions-to-static,
+  -readability-qualified-auto,
+  -readability-make-member-function-const,
+  -readability-isolate-declaration,
+  -readability-inconsistent-declaration-parameter-name,
+  -clang-diagnostic-error,
+
+CheckOptions:
+  performance-for-range-copy.WarnOnAllAutoCopies: true
+  performance-inefficient-string-concatenation.StrictMode: true
+  readability-braces-around-statements.ShortStatementLines: 0
+  readability-identifier-naming.ClassCase: CamelCase
+  readability-identifier-naming.ClassIgnoredRegexp: I.*
+  readability-identifier-naming.ClassPrefix: C # We can't use regex here?!?!?!?
+  readability-identifier-naming.EnumCase: CamelCase
+  readability-identifier-naming.EnumPrefix: e
+  readability-identifier-naming.EnumConstantCase: UPPER_CASE
+  readability-identifier-naming.FunctionCase: camelBack
+  readability-identifier-naming.NamespaceCase: CamelCase
+  readability-identifier-naming.NamespacePrefix: N
+  readability-identifier-naming.StructPrefix: S
+  readability-identifier-naming.StructCase: CamelCase
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9746b92..816cf5b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,8 +26,9 @@ include(GNUInstallDirs)
 
 # configure
 set(CMAKE_CXX_STANDARD 23)
-add_compile_options(-Wall -Wextra -Wno-unused-parameter -Wno-unused-value
-                    -Wno-missing-field-initializers -Wno-narrowing)
+set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE)
+add_compile_options(-Wall -Wextra -Wuseless-cast -Wno-unused-parameter
+                    -Wno-unused-value -Wno-missing-field-initializers)
 configure_file(systemd/hypridle.service.in systemd/hypridle.service @ONLY)
 
 # dependencies
diff --git a/src/core/Hypridle.cpp b/src/core/Hypridle.cpp
index 2ed1f9b..4157674 100644
--- a/src/core/Hypridle.cpp
+++ b/src/core/Hypridle.cpp
@@ -1,12 +1,13 @@
 #include "Hypridle.hpp"
 #include "../helpers/Log.hpp"
 #include "../config/ConfigManager.hpp"
-#include "signal.h"
+#include "csignal"
 #include <sys/wait.h>
 #include <sys/poll.h>
 #include <sys/mman.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <algorithm>
 #include <thread>
 #include <mutex>
 
@@ -183,7 +184,7 @@ void CHypridle::enterEventLoop() {
         m_sEventLoopInternals.loopRequestMutex.unlock(); // unlock, we are ready to take events
 
         std::unique_lock lk(m_sEventLoopInternals.loopMutex);
-        if (m_sEventLoopInternals.shouldProcess == false) // avoid a lock if a thread managed to request something already since we .unlock()ed
+        if (!m_sEventLoopInternals.shouldProcess) // avoid a lock if a thread managed to request something already since we .unlock()ed
             m_sEventLoopInternals.loopSignal.wait(lk, [this] { return m_sEventLoopInternals.shouldProcess == true; }); // wait for events
 
         m_sEventLoopInternals.loopRequestMutex.lock(); // lock incoming events
@@ -252,7 +253,7 @@ static void spawn(const std::string& args) {
 
         sigset_t set;
         sigemptyset(&set);
-        sigprocmask(SIG_SETMASK, &set, NULL);
+        sigprocmask(SIG_SETMASK, &set, nullptr);
 
         grandchild = fork();
         if (grandchild == 0) {
@@ -274,7 +275,7 @@ static void spawn(const std::string& args) {
     read(socket[0], &grandchild, sizeof(grandchild));
     close(socket[0]);
     // clear child and leave grandchild to init
-    waitpid(child, NULL, 0);
+    waitpid(child, nullptr, 0);
     if (grandchild < 0) {
         Debug::log(LOG, "Failed to create the second fork");
         return;
@@ -384,8 +385,7 @@ void CHypridle::registerDbusInhibitCookie(CHypridle::SDbusInhibitCookie& cookie)
 }
 
 bool CHypridle::unregisterDbusInhibitCookie(const CHypridle::SDbusInhibitCookie& cookie) {
-    const auto IT = std::find_if(m_sDBUSState.inhibitCookies.begin(), m_sDBUSState.inhibitCookies.end(),
-                                 [&cookie](const CHypridle::SDbusInhibitCookie& item) { return item.cookie == cookie.cookie; });
+    const auto IT = std::ranges::find_if(m_sDBUSState.inhibitCookies, [&cookie](const CHypridle::SDbusInhibitCookie& item) { return item.cookie == cookie.cookie; });
 
     if (IT == m_sDBUSState.inhibitCookies.end())
         return false;
@@ -507,10 +507,10 @@ static uint32_t handleDbusScreensaver(std::string app, std::string reason, uint3
     else
         g_pHypridle->onInhibit(false);
 
-    static int cookieID = 1337;
+    static uint32_t cookieID = 1337;
 
     if (inhibit) {
-        auto cookie = CHypridle::SDbusInhibitCookie{uint32_t{cookieID}, app, reason, ownerID};
+        auto cookie = CHypridle::SDbusInhibitCookie{.cookie = cookieID, .app = app, .reason = reason, .ownerID = ownerID};
 
         Debug::log(LOG, "Cookie {} sent", cookieID);