diff --git a/.github/maintainers_guide.md b/.github/maintainers_guide.md
index f19f3b9..b86b0b9 100644
--- a/.github/maintainers_guide.md
+++ b/.github/maintainers_guide.md
@@ -84,6 +84,14 @@ This project uses [mypy](https://mypy.readthedocs.io/en/stable/index.html) to ch
 ./scripts/run_mypy.sh
 ```
 
+To clean your virtual environment (useful when testing scripts in isolation):
+
+```sh
+./scripts/uninstall_all.sh
+```
+
+> **Note**: Several scripts support a `--no-install` flag to prevent redundant dependency installation when scripts call other scripts internally.
+
 #### Develop Locally
 
 If you want to test the package locally you can.
diff --git a/.gitignore b/.gitignore
index 0f1359b..a0a4ac7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -122,3 +122,8 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 .idea/
+
+# LLM
+.claude/
+.cursor/
+
diff --git a/requirements/format.txt b/requirements/dev-tools.txt
similarity index 100%
rename from requirements/format.txt
rename to requirements/dev-tools.txt
diff --git a/scripts/_utils.sh b/scripts/_utils.sh
deleted file mode 100644
index 73ee0b6..0000000
--- a/scripts/_utils.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/bin/bash
-
-set_prj_as_cwd() {
-	script_dir=`dirname $0`
-	cd ${script_dir}/.. 
-}
-
-clean_project() {
-	rm -rf dist/ build/ slack_cli_hooks.egg-info/
-}
-
-install_development_requirements() {
-	pip install -U pip
-	pip install -e .
-	pip install -r requirements/testing.txt
-	pip install -r requirements/format.txt
-}
-
-build() {
-	pip install -r requirements/build.txt && \
-	python -m build && \
-	twine check dist/*
-}
-
-format() {
-	black slack_cli_hooks/ tests/
-}
diff --git a/scripts/build_pypi_package.sh b/scripts/build_pypi_package.sh
index 1f6e893..d1f71f7 100755
--- a/scripts/build_pypi_package.sh
+++ b/scripts/build_pypi_package.sh
@@ -1,8 +1,14 @@
 #!/bin/bash
-source ./scripts/_utils.sh
+script_dir=$(dirname $0)
+cd ${script_dir}/..
 
-set_prj_as_cwd
+# Clean previous builds
+rm -rf dist/ build/ slack_cli_hooks.egg-info/
 
-clean_project
+# Install build dependencies unless --no-install is specified
+if [[ "$1" != "--no-install" ]]; then
+    pip install -r requirements/build.txt
+fi
 
-build
+# Build package
+python -m build && twine check dist/*
diff --git a/scripts/deploy_to_test_pypi.sh b/scripts/deploy_to_test_pypi.sh
index 57d2f22..ac0c0e3 100755
--- a/scripts/deploy_to_test_pypi.sh
+++ b/scripts/deploy_to_test_pypi.sh
@@ -1,10 +1,8 @@
 #!/bin/bash
-source ./scripts/_utils.sh
+script_dir=$(dirname $0)
+cd ${script_dir}/..
 
-set_prj_as_cwd
-
-clean_project
-
-build
+./scripts/build_pypi_package.sh
 
+# Upload to test PyPI
 twine upload --repository testpypi dist/*
diff --git a/scripts/format.sh b/scripts/format.sh
index d0b21ce..dd76af0 100755
--- a/scripts/format.sh
+++ b/scripts/format.sh
@@ -1,9 +1,11 @@
 #!/bin/bash
-source ./scripts/_utils.sh
+script_dir=$(dirname $0)
+cd ${script_dir}/..
 
-set_prj_as_cwd
+# Install dependencies unless --no-install is specified
+if [[ "$1" != "--no-install" ]]; then
+    pip install -U pip
+    pip install -r requirements/dev-tools.txt
+fi
 
-pip install -U pip
-pip install -r requirements/format.txt
-
-format
+black slack_cli_hooks/ tests/
diff --git a/scripts/install.sh b/scripts/install.sh
index bf45bc9..94284f0 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
-source ./scripts/_utils.sh
+script_dir=$(dirname $0)
+cd ${script_dir}/..
 
-set_prj_as_cwd
-
-install_development_requirements
+pip install -U pip
+pip install -e .
+pip install -r requirements/testing.txt
+pip install -r requirements/dev-tools.txt
diff --git a/scripts/install_and_run_tests.sh b/scripts/install_and_run_tests.sh
index e6fdcc2..f77ee0b 100755
--- a/scripts/install_and_run_tests.sh
+++ b/scripts/install_and_run_tests.sh
@@ -2,19 +2,19 @@
 # all: ./scripts/install_and_run_tests.sh
 # single: ./scripts/install_and_run_tests.sh tests/scenario_tests/test_app.py
 
-test_target="$1"
-source ./scripts/_utils.sh
-
-set_prj_as_cwd
+script_dir=$(dirname $0)
+cd ${script_dir}/..
 
-install_development_requirements
+test_target="$1"
 
-format
+./scripts/install.sh
+./scripts/format.sh --no-install
+./scripts/lint.sh --no-install
 
-if [[ $test_target != "" ]]
-then
-    pytest -vv $1
+# Run tests
+if [[ $test_target != "" ]]; then
+  pytest -vv $test_target
 else
-    pytest && \
-    mypy --config-file pyproject.toml
+  pytest
+  ./scripts/run_mypy.sh --no-install
 fi
diff --git a/scripts/lint.sh b/scripts/lint.sh
index 0f86131..ce1efae 100755
--- a/scripts/lint.sh
+++ b/scripts/lint.sh
@@ -1,10 +1,11 @@
 #!/bin/bash
-
-source ./scripts/_utils.sh
-
-set_prj_as_cwd
-
-pip install -U pip
-pip install -r requirements/format.txt
+script_dir=$(dirname $0)
+cd ${script_dir}/..
+
+# Install dependencies unless --no-install is specified
+if [[ "$1" != "--no-install" ]]; then
+    pip install -U pip
+    pip install -r requirements/dev-tools.txt
+fi
 
 flake8 slack_cli_hooks/ && flake8 tests/
diff --git a/scripts/run_mypy.sh b/scripts/run_mypy.sh
index 706b3f2..d3c9cde 100755
--- a/scripts/run_mypy.sh
+++ b/scripts/run_mypy.sh
@@ -1,9 +1,10 @@
 #!/bin/bash
+script_dir=$(dirname $0)
+cd ${script_dir}/..
 
-source ./scripts/_utils.sh
-
-set_prj_as_cwd
-
-install_development_requirements
+# Install dependencies unless --no-install is specified
+if [[ "$1" != "--no-install" ]]; then
+    ./scripts/install.sh
+fi
 
 mypy --config-file pyproject.toml
diff --git a/scripts/run_tests.sh b/scripts/run_tests.sh
index fd91348..3e64c7d 100755
--- a/scripts/run_tests.sh
+++ b/scripts/run_tests.sh
@@ -2,16 +2,16 @@
 # all: ./scripts/run_tests.sh
 # single: ./scripts/run_tests.sh tests/scenario_tests/test_app.py
 
-test_target="$1"
-source ./scripts/_utils.sh
+script_dir=$(dirname $0)
+cd ${script_dir}/..
 
-set_prj_as_cwd
+test_target="$1"
 
-format
+./scripts/format.sh --no-install
 
-if [[ $test_target != "" ]]
-then
-  pytest -vv $1
+# Run tests
+if [[ $test_target != "" ]]; then
+  pytest -vv $test_target
 else
   pytest
 fi
diff --git a/scripts/uninstall_all.sh b/scripts/uninstall_all.sh
index 15f5527..9b006b6 100755
--- a/scripts/uninstall_all.sh
+++ b/scripts/uninstall_all.sh
@@ -1,4 +1,9 @@
 #!/bin/bash
 
-pip uninstall -y slack-cli-hooks && \
-  pip freeze | grep -v "^-e" | xargs pip uninstall -y
+pip uninstall -y slack-cli-hooks
+
+PACKAGES=$(pip freeze | grep -v "^-e" | sed 's/@.*//' | sed 's/\=\=.*//')
+
+for package in $PACKAGES; do
+  pip uninstall -y $package
+done