diff --git a/lib/datadog/ci/auto_instrument.rb b/lib/datadog/ci/auto_instrument.rb
new file mode 100644
index 00000000..9a241843
--- /dev/null
+++ b/lib/datadog/ci/auto_instrument.rb
@@ -0,0 +1,3 @@
+require "datadog/ci"
+
+Datadog::CI::Contrib::Instrumentation.auto_instrument
diff --git a/lib/datadog/ci/contrib/instrumentation.rb b/lib/datadog/ci/contrib/instrumentation.rb
index 53f6fdea..b4564913 100644
--- a/lib/datadog/ci/contrib/instrumentation.rb
+++ b/lib/datadog/ci/contrib/instrumentation.rb
@@ -41,7 +41,7 @@ def self.auto_instrument
               "Auto instrumentation was requested, but no available integrations were found. " \
               "Tests will be run without Datadog instrumentation."
             )
-            nil
+            return
           end
 
           script_compiled_tracepoint = TracePoint.new(:script_compiled) do
diff --git a/sig/datadog/ci/contrib/instrumentation.rbs b/sig/datadog/ci/contrib/instrumentation.rbs
index 1f511280..8d168107 100644
--- a/sig/datadog/ci/contrib/instrumentation.rbs
+++ b/sig/datadog/ci/contrib/instrumentation.rbs
@@ -9,6 +9,8 @@ module Datadog
 
         def self.registry: () -> Hash[Symbol, untyped]
 
+        def self.auto_instrument: () -> void
+
         def self.instrument: (Symbol integration_name, ?::Hash[untyped, untyped] options) { (?) -> untyped } -> void
 
         def self.instrument_on_session_start: () -> void