diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8c0cac17b194e1..cc6d9c1935dd38 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1098,10 +1098,10 @@ if(gRPC_BUILD_TESTS)
   if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
     add_dependencies(buildtests_cxx posix_engine_listener_utils_test)
   endif()
-  if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
+  if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_POSIX)
     add_dependencies(buildtests_cxx posix_event_engine_connect_test)
   endif()
-  if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
+  if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_POSIX)
     add_dependencies(buildtests_cxx posix_event_engine_test)
   endif()
   add_dependencies(buildtests_cxx promise_factory_test)
@@ -2152,6 +2152,8 @@ add_library(grpc
   src/core/lib/debug/stats.cc
   src/core/lib/debug/stats_data.cc
   src/core/lib/debug/trace.cc
+  src/core/lib/event_engine/cf_engine/cf_engine.cc
+  src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
   src/core/lib/event_engine/channel_args_endpoint_config.cc
   src/core/lib/event_engine/default_event_engine.cc
   src/core/lib/event_engine/default_event_engine_factory.cc
@@ -2828,6 +2830,8 @@ add_library(grpc_unsecure
   src/core/lib/debug/stats.cc
   src/core/lib/debug/stats_data.cc
   src/core/lib/debug/trace.cc
+  src/core/lib/event_engine/cf_engine/cf_engine.cc
+  src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
   src/core/lib/event_engine/channel_args_endpoint_config.cc
   src/core/lib/event_engine/default_event_engine.cc
   src/core/lib/event_engine/default_event_engine_factory.cc
@@ -4319,6 +4323,8 @@ add_library(grpc_authorization_provider
   src/core/lib/debug/stats.cc
   src/core/lib/debug/stats_data.cc
   src/core/lib/debug/trace.cc
+  src/core/lib/event_engine/cf_engine/cf_engine.cc
+  src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
   src/core/lib/event_engine/channel_args_endpoint_config.cc
   src/core/lib/event_engine/default_event_engine.cc
   src/core/lib/event_engine/default_event_engine_factory.cc
@@ -7623,10 +7629,11 @@ if(gRPC_BUILD_TESTS)
 if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
 
   add_executable(cf_event_engine_test
-    src/core/lib/event_engine/cf_engine/cf_engine.cc
     test/core/event_engine/test_suite/cf_event_engine_test.cc
+    test/core/event_engine/test_suite/client_test.cc
     test/core/event_engine/test_suite/event_engine_test.cc
     test/core/event_engine/test_suite/event_engine_test_utils.cc
+    test/core/event_engine/test_suite/oracle_event_engine_posix.cc
     test/core/event_engine/test_suite/timer_test.cc
     third_party/googletest/googletest/src/gtest-all.cc
     third_party/googletest/googlemock/src/gmock-all.cc
@@ -11382,6 +11389,8 @@ add_executable(frame_test
   src/core/lib/debug/stats.cc
   src/core/lib/debug/stats_data.cc
   src/core/lib/debug/trace.cc
+  src/core/lib/event_engine/cf_engine/cf_engine.cc
+  src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
   src/core/lib/event_engine/channel_args_endpoint_config.cc
   src/core/lib/event_engine/default_event_engine.cc
   src/core/lib/event_engine/default_event_engine_factory.cc
@@ -16341,7 +16350,7 @@ if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
 endif()
 endif()
 if(gRPC_BUILD_TESTS)
-if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
+if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_POSIX)
 
   add_executable(posix_event_engine_connect_test
     test/core/event_engine/posix/posix_event_engine_connect_test.cc
@@ -16383,7 +16392,7 @@ if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
 endif()
 endif()
 if(gRPC_BUILD_TESTS)
-if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
+if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_POSIX)
 
   add_executable(posix_event_engine_test
     test/core/event_engine/test_suite/client_test.cc
diff --git a/Makefile b/Makefile
index 06918792f07293..c41d44f4545398 100644
--- a/Makefile
+++ b/Makefile
@@ -1415,6 +1415,8 @@ LIBGRPC_SRC = \
     src/core/lib/debug/stats.cc \
     src/core/lib/debug/stats_data.cc \
     src/core/lib/debug/trace.cc \
+    src/core/lib/event_engine/cf_engine/cf_engine.cc \
+    src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc \
     src/core/lib/event_engine/channel_args_endpoint_config.cc \
     src/core/lib/event_engine/default_event_engine.cc \
     src/core/lib/event_engine/default_event_engine_factory.cc \
@@ -1950,6 +1952,8 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/lib/debug/stats.cc \
     src/core/lib/debug/stats_data.cc \
     src/core/lib/debug/trace.cc \
+    src/core/lib/event_engine/cf_engine/cf_engine.cc \
+    src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc \
     src/core/lib/event_engine/channel_args_endpoint_config.cc \
     src/core/lib/event_engine/default_event_engine.cc \
     src/core/lib/event_engine/default_event_engine_factory.cc \
diff --git a/build_autogenerated.yaml b/build_autogenerated.yaml
index 2e276b548f91a9..346273585f4887 100644
--- a/build_autogenerated.yaml
+++ b/build_autogenerated.yaml
@@ -772,6 +772,9 @@ libs:
   - src/core/lib/debug/stats.h
   - src/core/lib/debug/stats_data.h
   - src/core/lib/debug/trace.h
+  - src/core/lib/event_engine/cf_engine/cf_engine.h
+  - src/core/lib/event_engine/cf_engine/cfstream_endpoint.h
+  - src/core/lib/event_engine/cf_engine/cftype_unique_ref.h
   - src/core/lib/event_engine/channel_args_endpoint_config.h
   - src/core/lib/event_engine/common_closures.h
   - src/core/lib/event_engine/default_event_engine.h
@@ -1543,6 +1546,8 @@ libs:
   - src/core/lib/debug/stats.cc
   - src/core/lib/debug/stats_data.cc
   - src/core/lib/debug/trace.cc
+  - src/core/lib/event_engine/cf_engine/cf_engine.cc
+  - src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
   - src/core/lib/event_engine/channel_args_endpoint_config.cc
   - src/core/lib/event_engine/default_event_engine.cc
   - src/core/lib/event_engine/default_event_engine_factory.cc
@@ -2094,6 +2099,9 @@ libs:
   - src/core/lib/debug/stats.h
   - src/core/lib/debug/stats_data.h
   - src/core/lib/debug/trace.h
+  - src/core/lib/event_engine/cf_engine/cf_engine.h
+  - src/core/lib/event_engine/cf_engine/cfstream_endpoint.h
+  - src/core/lib/event_engine/cf_engine/cftype_unique_ref.h
   - src/core/lib/event_engine/channel_args_endpoint_config.h
   - src/core/lib/event_engine/common_closures.h
   - src/core/lib/event_engine/default_event_engine.h
@@ -2485,6 +2493,8 @@ libs:
   - src/core/lib/debug/stats.cc
   - src/core/lib/debug/stats_data.cc
   - src/core/lib/debug/trace.cc
+  - src/core/lib/event_engine/cf_engine/cf_engine.cc
+  - src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
   - src/core/lib/event_engine/channel_args_endpoint_config.cc
   - src/core/lib/event_engine/default_event_engine.cc
   - src/core/lib/event_engine/default_event_engine_factory.cc
@@ -3542,6 +3552,9 @@ libs:
   - src/core/lib/debug/stats.h
   - src/core/lib/debug/stats_data.h
   - src/core/lib/debug/trace.h
+  - src/core/lib/event_engine/cf_engine/cf_engine.h
+  - src/core/lib/event_engine/cf_engine/cfstream_endpoint.h
+  - src/core/lib/event_engine/cf_engine/cftype_unique_ref.h
   - src/core/lib/event_engine/channel_args_endpoint_config.h
   - src/core/lib/event_engine/common_closures.h
   - src/core/lib/event_engine/default_event_engine.h
@@ -3811,6 +3824,8 @@ libs:
   - src/core/lib/debug/stats.cc
   - src/core/lib/debug/stats_data.cc
   - src/core/lib/debug/trace.cc
+  - src/core/lib/event_engine/cf_engine/cf_engine.cc
+  - src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
   - src/core/lib/event_engine/channel_args_endpoint_config.cc
   - src/core/lib/event_engine/default_event_engine.cc
   - src/core/lib/event_engine/default_event_engine_factory.cc
@@ -5474,14 +5489,15 @@ targets:
   build: test
   language: c++
   headers:
-  - src/core/lib/event_engine/cf_engine/cf_engine.h
   - test/core/event_engine/test_suite/event_engine_test.h
   - test/core/event_engine/test_suite/event_engine_test_utils.h
+  - test/core/event_engine/test_suite/oracle_event_engine_posix.h
   src:
-  - src/core/lib/event_engine/cf_engine/cf_engine.cc
   - test/core/event_engine/test_suite/cf_event_engine_test.cc
+  - test/core/event_engine/test_suite/client_test.cc
   - test/core/event_engine/test_suite/event_engine_test.cc
   - test/core/event_engine/test_suite/event_engine_test_utils.cc
+  - test/core/event_engine/test_suite/oracle_event_engine_posix.cc
   - test/core/event_engine/test_suite/timer_test.cc
   deps:
   - grpc_test_util
@@ -5489,7 +5505,6 @@ targets:
   - linux
   - posix
   - mac
-  uses_polling: false
 - name: cfstream_test
   gtest: true
   build: test
@@ -7331,6 +7346,9 @@ targets:
   - src/core/lib/debug/stats.h
   - src/core/lib/debug/stats_data.h
   - src/core/lib/debug/trace.h
+  - src/core/lib/event_engine/cf_engine/cf_engine.h
+  - src/core/lib/event_engine/cf_engine/cfstream_endpoint.h
+  - src/core/lib/event_engine/cf_engine/cftype_unique_ref.h
   - src/core/lib/event_engine/channel_args_endpoint_config.h
   - src/core/lib/event_engine/common_closures.h
   - src/core/lib/event_engine/default_event_engine.h
@@ -7582,6 +7600,8 @@ targets:
   - src/core/lib/debug/stats.cc
   - src/core/lib/debug/stats_data.cc
   - src/core/lib/debug/trace.cc
+  - src/core/lib/event_engine/cf_engine/cf_engine.cc
+  - src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
   - src/core/lib/event_engine/channel_args_endpoint_config.cc
   - src/core/lib/event_engine/default_event_engine.cc
   - src/core/lib/event_engine/default_event_engine_factory.cc
@@ -9904,7 +9924,6 @@ targets:
   platforms:
   - linux
   - posix
-  - mac
 - name: posix_event_engine_test
   gtest: true
   build: test
@@ -9926,7 +9945,6 @@ targets:
   platforms:
   - linux
   - posix
-  - mac
 - name: promise_factory_test
   gtest: true
   build: test
diff --git a/config.m4 b/config.m4
index 5d2cfed9ae311f..b9aaa58abb1174 100644
--- a/config.m4
+++ b/config.m4
@@ -497,6 +497,8 @@ if test "$PHP_GRPC" != "no"; then
     src/core/lib/debug/stats.cc \
     src/core/lib/debug/stats_data.cc \
     src/core/lib/debug/trace.cc \
+    src/core/lib/event_engine/cf_engine/cf_engine.cc \
+    src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc \
     src/core/lib/event_engine/channel_args_endpoint_config.cc \
     src/core/lib/event_engine/default_event_engine.cc \
     src/core/lib/event_engine/default_event_engine_factory.cc \
@@ -1390,6 +1392,7 @@ if test "$PHP_GRPC" != "no"; then
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/config)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/debug)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/event_engine)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/event_engine/cf_engine)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/event_engine/posix_engine)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/event_engine/windows)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/experiments)
diff --git a/config.w32 b/config.w32
index 69d0aa947ba85c..ad4c5bbf9fdba5 100644
--- a/config.w32
+++ b/config.w32
@@ -463,6 +463,8 @@ if (PHP_GRPC != "no") {
     "src\\core\\lib\\debug\\stats.cc " +
     "src\\core\\lib\\debug\\stats_data.cc " +
     "src\\core\\lib\\debug\\trace.cc " +
+    "src\\core\\lib\\event_engine\\cf_engine\\cf_engine.cc " +
+    "src\\core\\lib\\event_engine\\cf_engine\\cfstream_endpoint.cc " +
     "src\\core\\lib\\event_engine\\channel_args_endpoint_config.cc " +
     "src\\core\\lib\\event_engine\\default_event_engine.cc " +
     "src\\core\\lib\\event_engine\\default_event_engine_factory.cc " +
@@ -1520,6 +1522,7 @@ if (PHP_GRPC != "no") {
   FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\lib\\config");
   FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\lib\\debug");
   FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\lib\\event_engine");
+  FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\lib\\event_engine\\cf_engine");
   FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\lib\\event_engine\\posix_engine");
   FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\lib\\event_engine\\windows");
   FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\lib\\experiments");
diff --git a/gRPC-C++.podspec b/gRPC-C++.podspec
index 9deabf2b15887b..0cae4cb0f0219f 100644
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@@ -722,6 +722,9 @@ Pod::Spec.new do |s|
                       'src/core/lib/debug/stats.h',
                       'src/core/lib/debug/stats_data.h',
                       'src/core/lib/debug/trace.h',
+                      'src/core/lib/event_engine/cf_engine/cf_engine.h',
+                      'src/core/lib/event_engine/cf_engine/cfstream_endpoint.h',
+                      'src/core/lib/event_engine/cf_engine/cftype_unique_ref.h',
                       'src/core/lib/event_engine/channel_args_endpoint_config.h',
                       'src/core/lib/event_engine/common_closures.h',
                       'src/core/lib/event_engine/default_event_engine.h',
@@ -1642,6 +1645,9 @@ Pod::Spec.new do |s|
                               'src/core/lib/debug/stats.h',
                               'src/core/lib/debug/stats_data.h',
                               'src/core/lib/debug/trace.h',
+                              'src/core/lib/event_engine/cf_engine/cf_engine.h',
+                              'src/core/lib/event_engine/cf_engine/cfstream_endpoint.h',
+                              'src/core/lib/event_engine/cf_engine/cftype_unique_ref.h',
                               'src/core/lib/event_engine/channel_args_endpoint_config.h',
                               'src/core/lib/event_engine/common_closures.h',
                               'src/core/lib/event_engine/default_event_engine.h',
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 8d8d1d8ceb4528..0d0811dcdd4150 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -1109,6 +1109,11 @@ Pod::Spec.new do |s|
                       'src/core/lib/debug/stats_data.h',
                       'src/core/lib/debug/trace.cc',
                       'src/core/lib/debug/trace.h',
+                      'src/core/lib/event_engine/cf_engine/cf_engine.cc',
+                      'src/core/lib/event_engine/cf_engine/cf_engine.h',
+                      'src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc',
+                      'src/core/lib/event_engine/cf_engine/cfstream_endpoint.h',
+                      'src/core/lib/event_engine/cf_engine/cftype_unique_ref.h',
                       'src/core/lib/event_engine/channel_args_endpoint_config.cc',
                       'src/core/lib/event_engine/channel_args_endpoint_config.h',
                       'src/core/lib/event_engine/common_closures.h',
@@ -2317,6 +2322,9 @@ Pod::Spec.new do |s|
                               'src/core/lib/debug/stats.h',
                               'src/core/lib/debug/stats_data.h',
                               'src/core/lib/debug/trace.h',
+                              'src/core/lib/event_engine/cf_engine/cf_engine.h',
+                              'src/core/lib/event_engine/cf_engine/cfstream_endpoint.h',
+                              'src/core/lib/event_engine/cf_engine/cftype_unique_ref.h',
                               'src/core/lib/event_engine/channel_args_endpoint_config.h',
                               'src/core/lib/event_engine/common_closures.h',
                               'src/core/lib/event_engine/default_event_engine.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index b47cc8b8afcfcb..3833209663110b 100644
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -1020,6 +1020,11 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/lib/debug/stats_data.h )
   s.files += %w( src/core/lib/debug/trace.cc )
   s.files += %w( src/core/lib/debug/trace.h )
+  s.files += %w( src/core/lib/event_engine/cf_engine/cf_engine.cc )
+  s.files += %w( src/core/lib/event_engine/cf_engine/cf_engine.h )
+  s.files += %w( src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc )
+  s.files += %w( src/core/lib/event_engine/cf_engine/cfstream_endpoint.h )
+  s.files += %w( src/core/lib/event_engine/cf_engine/cftype_unique_ref.h )
   s.files += %w( src/core/lib/event_engine/channel_args_endpoint_config.cc )
   s.files += %w( src/core/lib/event_engine/channel_args_endpoint_config.h )
   s.files += %w( src/core/lib/event_engine/common_closures.h )
diff --git a/grpc.gyp b/grpc.gyp
index b60de9a3cdf479..930af41bef95e2 100644
--- a/grpc.gyp
+++ b/grpc.gyp
@@ -828,6 +828,8 @@
         'src/core/lib/debug/stats.cc',
         'src/core/lib/debug/stats_data.cc',
         'src/core/lib/debug/trace.cc',
+        'src/core/lib/event_engine/cf_engine/cf_engine.cc',
+        'src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc',
         'src/core/lib/event_engine/channel_args_endpoint_config.cc',
         'src/core/lib/event_engine/default_event_engine.cc',
         'src/core/lib/event_engine/default_event_engine_factory.cc',
@@ -1305,6 +1307,8 @@
         'src/core/lib/debug/stats.cc',
         'src/core/lib/debug/stats_data.cc',
         'src/core/lib/debug/trace.cc',
+        'src/core/lib/event_engine/cf_engine/cf_engine.cc',
+        'src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc',
         'src/core/lib/event_engine/channel_args_endpoint_config.cc',
         'src/core/lib/event_engine/default_event_engine.cc',
         'src/core/lib/event_engine/default_event_engine_factory.cc',
@@ -1807,6 +1811,8 @@
         'src/core/lib/debug/stats.cc',
         'src/core/lib/debug/stats_data.cc',
         'src/core/lib/debug/trace.cc',
+        'src/core/lib/event_engine/cf_engine/cf_engine.cc',
+        'src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc',
         'src/core/lib/event_engine/channel_args_endpoint_config.cc',
         'src/core/lib/event_engine/default_event_engine.cc',
         'src/core/lib/event_engine/default_event_engine_factory.cc',
diff --git a/package.xml b/package.xml
index a92c23d2c46194..a18df0f2125657 100644
--- a/package.xml
+++ b/package.xml
@@ -1002,6 +1002,11 @@
     <file baseinstalldir="/" name="src/core/lib/debug/stats_data.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/debug/trace.cc" role="src" />
     <file baseinstalldir="/" name="src/core/lib/debug/trace.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/event_engine/cf_engine/cf_engine.cc" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/event_engine/cf_engine/cf_engine.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/event_engine/cf_engine/cfstream_endpoint.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/event_engine/cf_engine/cftype_unique_ref.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/event_engine/channel_args_endpoint_config.cc" role="src" />
     <file baseinstalldir="/" name="src/core/lib/event_engine/channel_args_endpoint_config.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/event_engine/common_closures.h" role="src" />
diff --git a/src/core/BUILD b/src/core/BUILD
index 357726a77de036..cf0da3b18daac8 100644
--- a/src/core/BUILD
+++ b/src/core/BUILD
@@ -1993,12 +1993,15 @@ grpc_cc_library(
         "lib/event_engine/cf_engine/cfstream_endpoint.h",
         "lib/event_engine/cf_engine/cftype_unique_ref.h",
     ],
+    external_deps = ["absl/strings:str_format"],
     deps = [
         "event_engine_common",
         "event_engine_tcp_socket_utils",
         "event_engine_trace",
         "event_engine_utils",
         "init_internally",
+        "posix_event_engine_closure",
+        "posix_event_engine_event_poller",
         "posix_event_engine_lockfree_event",
         "posix_event_engine_timer_manager",
         "strerror",
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index bb6171a6f70af7..07361a2ccefaf6 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -472,6 +472,8 @@
     'src/core/lib/debug/stats.cc',
     'src/core/lib/debug/stats_data.cc',
     'src/core/lib/debug/trace.cc',
+    'src/core/lib/event_engine/cf_engine/cf_engine.cc',
+    'src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc',
     'src/core/lib/event_engine/channel_args_endpoint_config.cc',
     'src/core/lib/event_engine/default_event_engine.cc',
     'src/core/lib/event_engine/default_event_engine_factory.cc',
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 1ac978c8d0751b..6432f3b2b99f37 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -2014,6 +2014,11 @@ src/core/lib/debug/stats_data.cc \
 src/core/lib/debug/stats_data.h \
 src/core/lib/debug/trace.cc \
 src/core/lib/debug/trace.h \
+src/core/lib/event_engine/cf_engine/cf_engine.cc \
+src/core/lib/event_engine/cf_engine/cf_engine.h \
+src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc \
+src/core/lib/event_engine/cf_engine/cfstream_endpoint.h \
+src/core/lib/event_engine/cf_engine/cftype_unique_ref.h \
 src/core/lib/event_engine/channel_args_endpoint_config.cc \
 src/core/lib/event_engine/channel_args_endpoint_config.h \
 src/core/lib/event_engine/common_closures.h \
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 8a6f4888d77fc5..2a0c1f2d4502c7 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -1793,6 +1793,11 @@ src/core/lib/debug/stats_data.cc \
 src/core/lib/debug/stats_data.h \
 src/core/lib/debug/trace.cc \
 src/core/lib/debug/trace.h \
+src/core/lib/event_engine/cf_engine/cf_engine.cc \
+src/core/lib/event_engine/cf_engine/cf_engine.h \
+src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc \
+src/core/lib/event_engine/cf_engine/cfstream_endpoint.h \
+src/core/lib/event_engine/cf_engine/cftype_unique_ref.h \
 src/core/lib/event_engine/channel_args_endpoint_config.cc \
 src/core/lib/event_engine/channel_args_endpoint_config.h \
 src/core/lib/event_engine/common_closures.h \
diff --git a/tools/run_tests/generated/tests.json b/tools/run_tests/generated/tests.json
index b5d1b1fa77a2bd..1c82092fe7967a 100644
--- a/tools/run_tests/generated/tests.json
+++ b/tools/run_tests/generated/tests.json
@@ -1507,7 +1507,7 @@
       "mac",
       "posix"
     ],
-    "uses_polling": false
+    "uses_polling": true
   },
   {
     "args": [],
@@ -5474,7 +5474,6 @@
     "benchmark": false,
     "ci_platforms": [
       "linux",
-      "mac",
       "posix"
     ],
     "cpu_cost": 1.0,
@@ -5486,7 +5485,6 @@
     "name": "posix_event_engine_connect_test",
     "platforms": [
       "linux",
-      "mac",
       "posix"
     ],
     "uses_polling": true
@@ -5496,7 +5494,6 @@
     "benchmark": false,
     "ci_platforms": [
       "linux",
-      "mac",
       "posix"
     ],
     "cpu_cost": 1.0,
@@ -5508,7 +5505,6 @@
     "name": "posix_event_engine_test",
     "platforms": [
       "linux",
-      "mac",
       "posix"
     ],
     "uses_polling": true