diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
new file mode 100644
index 00000000..37c98a4e
--- /dev/null
+++ b/.github/workflows/check.yml
@@ -0,0 +1,86 @@
+name: Check
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - "*"
+jobs:
+  typecheck:
+    runs-on: ubuntu-latest
+    name: Typecheck
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.8"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pipenv
+          pipenv install --dev
+
+      - name: Install mypy
+        run: |
+          pipenv install mypy
+
+      - name: Run mypy
+        run: |
+          pipenv run mypy
+
+  lint:
+    runs-on: ubuntu-latest
+    name: Lint
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.8"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pipenv
+          pipenv install --dev
+
+      - name: Install ruff
+        run: |
+          pipenv install ruff
+
+      - name: Run ruff
+        run: |
+          pipenv run ruff check . --select E,F,I
+
+  format:
+    runs-on: ubuntu-latest
+    name: Format
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.8"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pipenv
+          pipenv install --dev
+
+      - name: Install ruff
+        run: |
+          pipenv install ruff
+
+      - name: Run ruff
+        run: |
+          pipenv run ruff format . --check