diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ae6cb92577d6..40faf900f7589 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -860,6 +860,9 @@ if(gRPC_BUILD_TESTS)
   add_dependencies(buildtests_cxx cel_authorization_engine_test)
   add_dependencies(buildtests_cxx certificate_provider_registry_test)
   add_dependencies(buildtests_cxx certificate_provider_store_test)
+  if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
+    add_dependencies(buildtests_cxx cf_engine_test)
+  endif()
   if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
     add_dependencies(buildtests_cxx cf_event_engine_test)
   endif()
@@ -1099,10 +1102,10 @@ 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)
@@ -2177,6 +2180,8 @@ 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
@@ -2867,6 +2872,8 @@ 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
@@ -4387,6 +4394,8 @@ 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
@@ -7672,15 +7681,55 @@ target_link_libraries(certificate_provider_store_test
 )
 
 
+endif()
+if(gRPC_BUILD_TESTS)
+if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
+
+  add_executable(cf_engine_test
+    test/core/event_engine/cf/cf_engine_test.cc
+    third_party/googletest/googletest/src/gtest-all.cc
+    third_party/googletest/googlemock/src/gmock-all.cc
+  )
+  target_compile_features(cf_engine_test PUBLIC cxx_std_14)
+  target_include_directories(cf_engine_test
+    PRIVATE
+      ${CMAKE_CURRENT_SOURCE_DIR}
+      ${CMAKE_CURRENT_SOURCE_DIR}/include
+      ${_gRPC_ADDRESS_SORTING_INCLUDE_DIR}
+      ${_gRPC_RE2_INCLUDE_DIR}
+      ${_gRPC_SSL_INCLUDE_DIR}
+      ${_gRPC_UPB_GENERATED_DIR}
+      ${_gRPC_UPB_GRPC_GENERATED_DIR}
+      ${_gRPC_UPB_INCLUDE_DIR}
+      ${_gRPC_XXHASH_INCLUDE_DIR}
+      ${_gRPC_ZLIB_INCLUDE_DIR}
+      third_party/googletest/googletest/include
+      third_party/googletest/googletest
+      third_party/googletest/googlemock/include
+      third_party/googletest/googlemock
+      ${_gRPC_PROTO_GENS_DIR}
+  )
+
+  target_link_libraries(cf_engine_test
+    ${_gRPC_BASELIB_LIBRARIES}
+    ${_gRPC_PROTOBUF_LIBRARIES}
+    ${_gRPC_ZLIB_LIBRARIES}
+    ${_gRPC_ALLTARGETS_LIBRARIES}
+    grpc_test_util
+  )
+
+
+endif()
 endif()
 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/event_engine_test_utils.cc
     test/core/event_engine/test_suite/cf_event_engine_test.cc
     test/core/event_engine/test_suite/event_engine_test_framework.cc
+    test/core/event_engine/test_suite/posix/oracle_event_engine_posix.cc
+    test/core/event_engine/test_suite/tests/client_test.cc
     test/core/event_engine/test_suite/tests/timer_test.cc
     third_party/googletest/googletest/src/gtest-all.cc
     third_party/googletest/googlemock/src/gmock-all.cc
@@ -11449,6 +11498,8 @@ 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
@@ -16579,7 +16630,7 @@ 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/event_engine_test_utils.cc
@@ -16622,7 +16673,7 @@ 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/event_engine_test_utils.cc
diff --git a/Makefile b/Makefile
index f5710676a3302..5155576bf152d 100644
--- a/Makefile
+++ b/Makefile
@@ -1426,6 +1426,8 @@ 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 \
@@ -1969,6 +1971,8 @@ 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 577fbbac247fa..1b0f2fcc1fa5d 100644
--- a/build_autogenerated.yaml
+++ b/build_autogenerated.yaml
@@ -790,6 +790,9 @@ 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
@@ -1575,6 +1578,8 @@ 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
@@ -2133,6 +2138,9 @@ 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
@@ -2531,6 +2539,8 @@ 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
@@ -3597,6 +3607,9 @@ 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
@@ -3874,6 +3887,8 @@ 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
@@ -5532,20 +5547,35 @@ targets:
   - test/core/xds/certificate_provider_store_test.cc
   deps:
   - grpc_test_util
+- name: cf_engine_test
+  gtest: true
+  build: test
+  language: c++
+  headers: []
+  src:
+  - test/core/event_engine/cf/cf_engine_test.cc
+  deps:
+  - grpc_test_util
+  platforms:
+  - linux
+  - posix
+  - mac
 - name: cf_event_engine_test
   gtest: true
   build: test
   language: c++
   headers:
-  - src/core/lib/event_engine/cf_engine/cf_engine.h
   - test/core/event_engine/event_engine_test_utils.h
   - test/core/event_engine/test_suite/event_engine_test_framework.h
+  - test/core/event_engine/test_suite/posix/oracle_event_engine_posix.h
+  - test/core/event_engine/test_suite/tests/client_test.h
   - test/core/event_engine/test_suite/tests/timer_test.h
   src:
-  - src/core/lib/event_engine/cf_engine/cf_engine.cc
   - test/core/event_engine/event_engine_test_utils.cc
   - test/core/event_engine/test_suite/cf_event_engine_test.cc
   - test/core/event_engine/test_suite/event_engine_test_framework.cc
+  - test/core/event_engine/test_suite/posix/oracle_event_engine_posix.cc
+  - test/core/event_engine/test_suite/tests/client_test.cc
   - test/core/event_engine/test_suite/tests/timer_test.cc
   deps:
   - grpc_unsecure
@@ -5554,7 +5584,6 @@ targets:
   - linux
   - posix
   - mac
-  uses_polling: false
 - name: cfstream_test
   gtest: true
   build: test
@@ -7407,6 +7436,9 @@ 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
@@ -7667,6 +7699,8 @@ 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
@@ -10071,7 +10105,6 @@ targets:
   platforms:
   - linux
   - posix
-  - mac
 - name: posix_event_engine_test
   gtest: true
   build: test
@@ -10097,7 +10130,6 @@ targets:
   platforms:
   - linux
   - posix
-  - mac
 - name: promise_factory_test
   gtest: true
   build: test
diff --git a/config.m4 b/config.m4
index 92612e073b6ca..8007175b3a748 100644
--- a/config.m4
+++ b/config.m4
@@ -507,6 +507,8 @@ if test "$PHP_GRPC" != "no"; then
     src/core/lib/debug/stats.cc \
     src/core/lib/debug/stats_data.cc \
     src/core/lib/debug/trace.cc \
+    src/core/lib/event_engine/cf_engine/cf_engine.cc \
+    src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc \
     src/core/lib/event_engine/channel_args_endpoint_config.cc \
     src/core/lib/event_engine/default_event_engine.cc \
     src/core/lib/event_engine/default_event_engine_factory.cc \
@@ -1413,6 +1415,7 @@ if test "$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 6da67e3c94c8f..ef582bd5ddab0 100644
--- a/config.w32
+++ b/config.w32
@@ -473,6 +473,8 @@ 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 " +
@@ -1545,6 +1547,7 @@ 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 5656c0bcc96a8..9417b60de92cb 100644
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@@ -734,6 +734,9 @@ 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',
@@ -1669,6 +1672,9 @@ 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 5f1b1963a2630..24aea917c792d 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -1130,6 +1130,11 @@ 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',
@@ -2358,6 +2363,9 @@ 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 fdbd9757882bf..c1ef585de97b1 100644
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -1039,6 +1039,11 @@ 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 cba8fd1e7aad0..c0bf939d4c96d 100644
--- a/grpc.gyp
+++ b/grpc.gyp
@@ -839,6 +839,8 @@
         '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',
@@ -1324,6 +1326,8 @@
         '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',
@@ -1833,6 +1837,8 @@
         '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 bf49b7242cce8..f5755088977f5 100644
--- a/package.xml
+++ b/package.xml
@@ -1021,6 +1021,11 @@
     <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 190e3911a995b..dbbd0b61dd705 100644
--- a/src/core/BUILD
+++ b/src/core/BUILD
@@ -2080,12 +2080,15 @@ 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 83b622e0b3870..8b961b948bfc6 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -482,6 +482,8 @@
     '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 4a41380df9ca1..7a070d4a0048e 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -2034,6 +2034,11 @@ 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 22bc220dc85fb..f39c8e13907da 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -1812,6 +1812,11 @@ 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 6068109881c3a..177ea9d636756 100644
--- a/tools/run_tests/generated/tests.json
+++ b/tools/run_tests/generated/tests.json
@@ -1463,6 +1463,28 @@
     ],
     "uses_polling": true
   },
+  {
+    "args": [],
+    "benchmark": false,
+    "ci_platforms": [
+      "linux",
+      "mac",
+      "posix"
+    ],
+    "cpu_cost": 1.0,
+    "exclude_configs": [],
+    "exclude_iomgrs": [],
+    "flaky": false,
+    "gtest": true,
+    "language": "c++",
+    "name": "cf_engine_test",
+    "platforms": [
+      "linux",
+      "mac",
+      "posix"
+    ],
+    "uses_polling": true
+  },
   {
     "args": [],
     "benchmark": false,
@@ -1483,7 +1505,7 @@
       "mac",
       "posix"
     ],
-    "uses_polling": false
+    "uses_polling": true
   },
   {
     "args": [],
@@ -5544,7 +5566,6 @@
     "benchmark": false,
     "ci_platforms": [
       "linux",
-      "mac",
       "posix"
     ],
     "cpu_cost": 1.0,
@@ -5556,7 +5577,6 @@
     "name": "posix_event_engine_connect_test",
     "platforms": [
       "linux",
-      "mac",
       "posix"
     ],
     "uses_polling": true
@@ -5566,7 +5586,6 @@
     "benchmark": false,
     "ci_platforms": [
       "linux",
-      "mac",
       "posix"
     ],
     "cpu_cost": 1.0,
@@ -5578,7 +5597,6 @@
     "name": "posix_event_engine_test",
     "platforms": [
       "linux",
-      "mac",
       "posix"
     ],
     "uses_polling": true