diff --git a/.gitattributes b/.gitattributes
index 6912e57..33fd528 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1 @@
-yard/data/lfs/*/*.* filter=lfs diff=lfs merge=lfs -text
+yard/data/lfs/** filter=lfs diff=lfs merge=lfs -text
diff --git a/yard/data/extractors/oscem-life.yml b/yard/data/extractors/oscem-life.yml
new file mode 100644
index 0000000..9eaef1c
--- /dev/null
+++ b/yard/data/extractors/oscem-life.yml
@@ -0,0 +1,27 @@
+---
+id: >-
+    oscem-life
+name: >-
+    OSC-EM Life Sciences Extractor
+description: >-
+    Extract metadata from electron microscopes for life science applications.
+
+    Reads project directories from SerialEM, EPU, and TOMO5. Outputs the Open Science
+    Community for Electron Microscopy (OSC-EM) standards (single particle analysis, or
+    tomography).
+supported_filetypes:
+    - id: serialem-dir
+    - id: epu-dir
+supported_output_filetypes:
+    - id: oscem-json
+license:
+    spdx: BSD-3-Clause
+subject:
+    - electron-microscopy
+    - imaging
+source_repository: https://github.com/SwissOpenEM/LS_Metadata_reader/
+documentation: https://github.com/SwissOpenEM/LS_Metadata_reader
+usage:
+    - method: container
+      setup: ghcr.io/swissopenem/ls_metadata_reader:main
+      command: -o {{output_path}} {{ input_path }}
diff --git a/yard/data/filetypes/epu-dir.yml b/yard/data/filetypes/epu-dir.yml
new file mode 100644
index 0000000..be296de
--- /dev/null
+++ b/yard/data/filetypes/epu-dir.yml
@@ -0,0 +1,14 @@
+---
+id: >-
+    epu-dir
+name: >-
+    Thermo Fisher EPU Project directory
+description: >-
+    Represents a project directory created by Thermo Fisher Scientific's EPU. It should
+    include metadata xml files.
+subject:
+    - electron-microscopy
+associated_software:
+    - EPU
+associated_vendors:
+    - Thermo Fisher Scientific
diff --git a/yard/data/filetypes/oscem-json.yml b/yard/data/filetypes/oscem-json.yml
new file mode 100644
index 0000000..d2a60c0
--- /dev/null
+++ b/yard/data/filetypes/oscem-json.yml
@@ -0,0 +1,12 @@
+---
+id: >-
+    oscem-json
+name: >-
+    Electron microscopy metadata following the Open Science Community for Electron
+    Microscopy (OSC-EM) standards.
+description: >-
+    A format for Fischer Scope Indenter
+associated_file_extensions:
+    - json
+subject:
+    - electron-microscopy
diff --git a/yard/data/filetypes/serialem-dir.yml b/yard/data/filetypes/serialem-dir.yml
new file mode 100644
index 0000000..345e19f
--- /dev/null
+++ b/yard/data/filetypes/serialem-dir.yml
@@ -0,0 +1,12 @@
+---
+id: >-
+    serialem-dir
+name: >-
+    SerialEM Project directory
+description: >-
+    Represents a project directory created by the SerialEM software for electron
+    microscopy data acquisition.
+subject:
+    - electron-microscopy
+associated_software:
+    - SerialEM
diff --git a/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923985_31923987_20240831_200517.xml b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923985_31923987_20240831_200517.xml
new file mode 100644
index 0000000..93d2e2c
--- /dev/null
+++ b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923985_31923987_20240831_200517.xml
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:19933dd0a93c476223cb5dba8a19fe5f184b5f22fcac1f2a7a51f8a2576b5b21
+size 14289
diff --git a/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923988_31923990_20240831_200519.xml b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923988_31923990_20240831_200519.xml
new file mode 100644
index 0000000..71c9928
--- /dev/null
+++ b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923988_31923990_20240831_200519.xml
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ea5d102590f4241bdfe67bb0178685a8565e29c16405769fd4ed3b05c80d46c4
+size 14292
diff --git a/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923991_31923993_20240831_200522.xml b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923991_31923993_20240831_200522.xml
new file mode 100644
index 0000000..8f5f112
--- /dev/null
+++ b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923991_31923993_20240831_200522.xml
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9f62559f8bb4cc20c8941d4b485e0ccd61ab3e7f1f6adc78e71a84ccdbac7f8a
+size 14290
diff --git a/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923994_31923996_20240831_200524.xml b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923994_31923996_20240831_200524.xml
new file mode 100644
index 0000000..cb52cf3
--- /dev/null
+++ b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923994_31923996_20240831_200524.xml
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+size 14291
diff --git a/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923997_31923999_20240831_200529.xml b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923997_31923999_20240831_200529.xml
new file mode 100644
index 0000000..3c0f331
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+++ b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31923997_31923999_20240831_200529.xml
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0ad251b98debfbe385155c7d2e547d972884dfc637e2c474ff32f5fd86531405
+size 14291
diff --git a/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31924000_31924003_20240831_200533.xml b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31924000_31924003_20240831_200533.xml
new file mode 100644
index 0000000..16420ef
--- /dev/null
+++ b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31924000_31924003_20240831_200533.xml
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+version https://git-lfs.github.com/spec/v1
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new file mode 100644
index 0000000..d392ef0
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+++ b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31924004_31924006_20240831_200538.xml
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+version https://git-lfs.github.com/spec/v1
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new file mode 100644
index 0000000..41c69e0
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+++ b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31924007_31924009_20240831_200542.xml
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+version https://git-lfs.github.com/spec/v1
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diff --git a/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31924010_31924012_20240831_200547.xml b/yard/data/lfs/epu-dir/epu_example/FoilHole_31936319_Data_31924010_31924012_20240831_200547.xml
new file mode 100644
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new file mode 100644
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