diff --git a/check.sh b/check.sh
new file mode 100755
index 0000000..7786dc5
--- /dev/null
+++ b/check.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+BASE_DIR="src"
+
+echo "#============#"
+echo "#    Ruff    #"
+echo "#============#"
+(cd "$SCRIPT_DIR" && ruff check "$BASE_DIR")
+echo
+echo
+echo "#============#"
+echo "#     Ty     #"
+echo "#============#"
+(cd "$SCRIPT_DIR" && uvx ty check "$BASE_DIR")
diff --git a/src/dcr/cli/build.py b/src/dcr/cli/build.py
index 637d714..d9e9b30 100644
--- a/src/dcr/cli/build.py
+++ b/src/dcr/cli/build.py
@@ -1,7 +1,7 @@
 import time
 import os
 import subprocess
-from ..config import flags, profile, c_comp
+from ..config import flags, profile, project_compiler
 from ..utils.fs import check_dir
 from ..utils.text import colored, BRIGHT_GREEN, BOLD, BRIGHT_RED
 
@@ -30,7 +30,7 @@ def build(args: list[str] | None = None) -> int:
         + "`\n    Профиль: "
         + colored(active_profile, BRIGHT_GREEN + BOLD)
         + "\n    Компилятор: "
-        + colored(c_comp, BRIGHT_GREEN + BOLD)
+        + colored(project_compiler, BRIGHT_GREEN + BOLD)
         + "\n"
     )
 
@@ -44,7 +44,7 @@ def build(args: list[str] | None = None) -> int:
         try:
             subprocess.run(
                 [
-                    c_comp,
+                    project_compiler,
                     "./src/main.c",
                     *compile_flags,
                     "-o",
@@ -63,7 +63,7 @@ def build(args: list[str] | None = None) -> int:
                 + " секунд"
             )
             return 0
-        except:
+        except:  # noqa: E722
             print(colored("error", BRIGHT_RED + BOLD) + ": сборка не удалась")
             return 1
 
diff --git a/src/dcr/cli/init.py b/src/dcr/cli/init.py
index 3bcdb12..25afa83 100644
--- a/src/dcr/cli/init.py
+++ b/src/dcr/cli/init.py
@@ -26,7 +26,7 @@ def init(args: list[str] | None = None) -> int:
 
     print("Инициализация проекта в " + os.getcwd())
 
-    with open(f"./dcr.toml", "w") as file:
+    with open("./dcr.toml", "w") as file:
         file.write(
             file_dcr_toml.format(
                 project_name=project_name,
diff --git a/src/dcr/cli/run.py b/src/dcr/cli/run.py
index e803bc7..145137b 100644
--- a/src/dcr/cli/run.py
+++ b/src/dcr/cli/run.py
@@ -1,5 +1,4 @@
 import subprocess
-import os
 
 from ..utils.fs import check_dir
 from ..utils.text import colored, BRIGHT_RED, BOLD
@@ -8,7 +7,6 @@ from .build import build
 
 
 def run(args: list[str] | None = None) -> int:
-    project_name = os.path.basename(os.getcwd())
     active_profile: str = profile
     if "dcr.toml" not in check_dir():
         print(colored("error", BRIGHT_RED + BOLD) + ": не найден файл dcr.toml")
diff --git a/src/dcr/config.py b/src/dcr/config.py
index 20aebf5..032d7d4 100644
--- a/src/dcr/config.py
+++ b/src/dcr/config.py
@@ -35,10 +35,9 @@ project_language: str = "c"
 project_compiler: str = "clang"
 
 profile: str = "debug"
-c_comp: str = "clang"
 flags: dict[str, list[str]] = {
     "release": ["-O3", "-DNDEBUG", "-march=native"],
     "debug": ["-O0", "-g", "-Wall", "-Wextra", "-fno-omit-frame-pointer", "-DDEBUG"],
 }
 
-VERSION = "v0.1.1"
\ No newline at end of file
+VERSION = "v0.1.1"
diff --git a/src/dcr/main.py b/src/dcr/main.py
index 6a1c30a..338cbc9 100644
--- a/src/dcr/main.py
+++ b/src/dcr/main.py
@@ -1,5 +1,5 @@
 from .config import VERSION
-import dcr.cli as cli
+import dcr.cli as cli  # ty:ignore[unresolved-import]
 import sys