diff --git a/.github/workflows/sanity.yml b/.github/workflows/sanity.yml
new file mode 100644
index 0000000..9354d2d
--- /dev/null
+++ b/.github/workflows/sanity.yml
@@ -0,0 +1,42 @@
+name: Sanity
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  sanity:
+    runs-on: ubuntu-latest
+    name: Sanity - ${{ matrix.python-version }}
+    strategy:
+      fail-fast: true
+      matrix:
+        python-version:
+          - '3.9'
+          - '3.12'
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup PDM
+        uses: pdm-project/setup-pdm@v4
+        with:
+          version: 2.20.1
+          python-version: ${{ matrix.python-version }}
+          cache: true
+
+      - name: Install dependencies
+        run: |
+          pdm install -v
+          pdm info
+          echo "$(pdm venv --path in-project)/bin" >> $GITHUB_PATH
+
+      - name: Run pyright
+        uses: jakebailey/pyright-action@v2
+        with:
+          version: 1.1.389
+          python-version: ${{ matrix.python-version }}
+          annotate: errors
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index c718931..a63dff2 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -2,7 +2,7 @@ name: Unit tests
 
 on:
   push:
-    bracnhes:
+    branches:
       - main
   pull_request:
 
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b76d827..66847c7 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,5 +1,8 @@
 ci:
   autoupdate_schedule: quarterly
+  skip:
+    # https://github.com/pre-commit-ci/issues/issues/55
+    - pyright
 
 minimum_pre_commit_version: "2.9.0"
 repos:
@@ -36,6 +39,16 @@ repos:
           - https://github.com/rhel-lightspeed/command-line-assistant.git
         stages: [manual, pre-push]
 
+  - repo: https://github.com/RobertCraigie/pyright-python
+    rev: v1.1.389
+    hooks:
+    - id: pyright
+      additional_dependencies:
+        - pyright[nodejs]
+        - pytest
+        - requests
+        - tomli; python_version<"3.11"
+
   - repo: https://github.com/gitleaks/gitleaks
     rev: v8.21.2
     hooks:
diff --git a/command_line_assistant/__main__.py b/command_line_assistant/__main__.py
index 8e0bfa4..bcb6b9f 100644
--- a/command_line_assistant/__main__.py
+++ b/command_line_assistant/__main__.py
@@ -28,8 +28,7 @@ def main():
 
     if enforce_script_session and (not args.record or not os.path.exists(output_file)):
         parser.error(
-            f"Please call `{sys.argv[0]} --record` first to initialize script session or create the output file.",
-            file=sys.stderr,
+            f"Please call `{sys.argv[0]} --record` first to initialize script session or create the output file."
         )
 
     # NOTE: This needs more refinement, script session can't be combined with other arguments
diff --git a/command_line_assistant/config.py b/command_line_assistant/config.py
index ec2447a..339dad1 100644
--- a/command_line_assistant/config.py
+++ b/command_line_assistant/config.py
@@ -9,9 +9,9 @@
 # tomllib is available in the stdlib after Python3.11. Before that, we import
 # from tomli.
 try:
-    import tomllib
+    import tomllib  # pyright: ignore[reportMissingImports]
 except ImportError:
-    import tomli as tomllib
+    import tomli as tomllib  # pyright: ignore[reportMissingImports]
 
 
 CONFIG_DEFAULT_PATH: Path = Path("~/.config/command-line-assistant/config.toml")
@@ -50,7 +50,9 @@ class LoggingSchema:
         "minimal",
     )
     type: str = "minimal"
-    file: str | Path = "~/.cache/command-line-assistant/command-line-assistant.log"
+    file: str | Path = Path(  # type: ignore
+        "~/.cache/command-line-assistant/command-line-assistant.log"
+    )
 
     def _validate_logging_type(self, type: str):
         if type not in self._logging_types:
@@ -59,7 +61,7 @@ def _validate_logging_type(self, type: str):
             )
 
     def __post_init__(self):
-        self.file = Path(self.file).expanduser()
+        self.file: Path = Path(self.file).expanduser()
 
 
 @dataclasses.dataclass
@@ -67,11 +69,11 @@ class OutputSchema:
     """This class represents the [output] section of our config.toml file."""
 
     enforce_script: bool = False
-    file: str | Path = "/tmp/command-line-assistant_output.txt"
+    file: str | Path = Path("/tmp/command-line-assistant_output.txt")  # type: ignore
     prompt_separator: str = "$"
 
     def __post_init__(self):
-        self.file = Path(self.file).expanduser()
+        self.file: Path = Path(self.file).expanduser()
 
 
 @dataclasses.dataclass
@@ -79,13 +81,13 @@ class HistorySchema:
     """This class represents the [history] section of our config.toml file."""
 
     enabled: bool = True
-    file: str | Path = (
+    file: str | Path = Path(  # type: ignore
         "~/.local/share/command-line-assistant/command-line-assistant_history.json"
     )
     max_size: int = 100
 
     def __post_init__(self):
-        self.file = Path(self.file).expanduser()
+        self.file: Path = Path(self.file).expanduser()
 
 
 @dataclasses.dataclass
diff --git a/command_line_assistant/history.py b/command_line_assistant/history.py
index 9c56f6b..8f3bf8d 100644
--- a/command_line_assistant/history.py
+++ b/command_line_assistant/history.py
@@ -4,7 +4,7 @@
 from command_line_assistant.config import Config
 
 
-def handle_history_read(config: Config) -> dict:
+def handle_history_read(config: Config) -> list:
     """
     Reads the history from a file and returns it as a list of dictionaries.
     """