diff --git a/.codeclimate.yml b/.codeclimate.yml
new file mode 100644
index 0000000..d1fd3dc
--- /dev/null
+++ b/.codeclimate.yml
@@ -0,0 +1,35 @@
+version: "2"
+
+checks:
+  method-complexity:
+    config:
+      threshold: 8    # 5 is *just* too low and flags a number of otherwise readable methods
+  method-lines:
+    config:
+      threshold: 40   # with object literals, lines are not a great measure
+
+exclude_patterns:
+  - CHANGELOG.md
+  - config/
+  - docs/api/
+  - docs/dev/style.md
+  - src/migration/
+  - vendor/
+
+plugins:
+  duplication:
+    enabled: true
+    config:
+      languages:
+        typescript:
+          mass_threshold: 225
+  eslint:
+    enabled: true
+    config:
+      config: config/eslint.json
+  fixme:
+    enabled: true
+  markdownlint:
+    enabled: true
+  shellcheck:
+    enabled: true