diff --git a/.swiftlint.yml b/.swiftlint.yml
new file mode 100644
index 0000000..e84a57f
--- /dev/null
+++ b/.swiftlint.yml
@@ -0,0 +1,54 @@
+opt_in_rules:
+  - anyobject_protocol
+  - array_init
+  - attributes
+  - closure_end_indentation
+  - closure_spacing
+  - contains_over_first_not_nil
+  - convenience_type
+  - discouraged_optional_boolean
+  - discouraged_optional_collection
+  - empty_count
+  - empty_string
+  - fallthrough
+  - fatal_error_message
+  - first_where
+  - force_unwrapping
+  - implicit_return
+  - implicitly_unwrapped_optional
+  - joined_default_parameter
+  - literal_expression_end_indentation
+  - lower_acl_than_parent
+  - modifier_order
+  - multiline_arguments
+  - multiline_function_chains
+  - multiline_parameters
+  - number_separator
+  - operator_usage_whitespace
+  - overridden_super_call
+  - override_in_extension
+  - private_action
+  - private_outlet
+  - prohibited_super_call
+  - redundant_nil_coalescing
+  - sorted_first_last
+  - sorted_imports
+  - trailing_closure
+  - unavailable_function
+  - unneeded_parentheses_in_closure_argument
+  - vertical_parameter_alignment_on_call
+  - yoda_condition
+
+# Rules customization
+line_length:
+  warning: 120
+  error: 200
+
+nesting:
+  type_level:
+    warning: 2
+
+# Exclude generated files
+excluded:
+  - .build
+  - Tests/StencilTests/XCTestManifests.swift
diff --git a/Tests/StencilTests/.swiftlint.yml b/Tests/StencilTests/.swiftlint.yml
new file mode 100644
index 0000000..46c1b62
--- /dev/null
+++ b/Tests/StencilTests/.swiftlint.yml
@@ -0,0 +1,3 @@
+disabled_rules: # rule identifiers to exclude from running
+  - type_body_length
+  - file_length