Same here, no uninstall_agent binary for my agent install:
# pwd
/Library/Manufacturer/Endpoint Agent
# find . -iname \*inst\*
./firefox-extension-uninstaller.xpi
./libffplginst.dylib
# ls
CUI.app edpa0.log libRE2.dylib libcdc.dylib libsch.dylib
CUI.plist edpa1.log libResponseRules.dylib libclpbm.dylib libscs.dylib
FirefoxRegistryData.json edpa_ext0.log libahm.dylib libcm.dylib libssl.1.0.0.dylib
Frameworks edpa_ext1.log libamc.dylib libcrypto.1.0.0.dylib libtl.dylib
MemDumpFiles firefox-extension-uninstaller.xpi libappc.dylib libcrypto.dylib libui.dylib
OperationLogs fsd.kext libas.dylib libcurl.4.dylib log4cxx_config_matchercore.xml
Resources grp.ead libasvc.dylib libdc.dylib ps.ead
Verity grp.ead.bk libboost_chrono-clang-darwin42-mt-1_54.dylib libdisc.dylib ps.ead.bk
am.ead imgext libboost_date_time-clang-darwin42-mt-1_54.dylib libffplginst.dylib rrc.ead
am.ead.bk is libboost_filesystem-clang-darwin42-mt-1_54.dylib libffsobsrvr.dylib rrc.ead.bk
cg.ead is.ead libboost_iostreams-clang-darwin42-mt-1_54.dylib libfsc.dylib start_agent
cg.ead.bk is.ead.bk libboost_program_options-clang-darwin42-mt-1_54.dylib libih.dylib sto.ead
dcs.ead ks.ead libboost_regex-clang-darwin42-mt-1_54.dylib liblog4cxx.dylib sto.ead.bk
dcs.ead.bk ks.ead.bk libboost_system-clang-darwin42-mt-1_54.dylib libmsl.dylib temp
dlp-firefox-addon.xpi l10n libboost_thread-clang-darwin42-mt-1_54.dylib libotlm.dylib ttds.ead
edpa libIDMCoreDynLib.dylib libbstrap.dylib libpp.dylib ttds.ead.bk
edpa.timestamp libMatcherCoreDyLib.dylib libbwrm.dylib librtc.dylib