diff --git a/.tangled/workflows/clippy.yml b/.tangled/workflows/clippy.yml
new file mode 100644
index 0000000..d758533
--- /dev/null
+++ b/.tangled/workflows/clippy.yml
@@ -0,0 +1,15 @@
+when:
+  - event: [push]
+    branch: [main]
+  - event: [pull_request]
+    branch: [main]
+
+engine: nixery
+
+dependencies:
+  nixpkgs:
+    - rustup
+
+steps:
+  - name: Clippy (MSRV)
+    command: cargo clippy -- -D warnings
diff --git a/.tangled/workflows/fmt.yml b/.tangled/workflows/fmt.yml
new file mode 100644
index 0000000..e774816
--- /dev/null
+++ b/.tangled/workflows/fmt.yml
@@ -0,0 +1,16 @@
+when:
+  - event: [push]
+    branch: [main]
+  - event: [pull_request]
+    branch: [main]
+
+engine: nixery
+
+dependencies:
+  nixpkgs:
+    - rustup
+    - clang
+
+steps:
+  - name: Check formatting
+    command: cargo fmt --check
diff --git a/.tangled/workflows/test.yml b/.tangled/workflows/test.yml
new file mode 100644
index 0000000..d4b8ff2
--- /dev/null
+++ b/.tangled/workflows/test.yml
@@ -0,0 +1,18 @@
+when:
+  - event: [push]
+    branch: [main]
+  - event: [pull_request]
+    branch: [main]
+
+engine: nixery
+
+dependencies:
+  nixpkgs:
+    - rustup
+    - clang
+
+steps:
+  - name: Run tests
+    command: cargo test
+  - name: Verify working directory is clean
+    run: git diff --exit-code