diff --git a/.buck/prelude b/.buck/prelude
new file mode 160000
index 0000000..e6ee460
--- /dev/null
+++ b/.buck/prelude
@@ -0,0 +1 @@
+Subproject commit e6ee46050e74f339433eaecb127bf1dde2cb3426
diff --git a/.buck/shim/BUCK b/.buck/shim/BUCK
new file mode 100644
index 0000000..02908f0
--- /dev/null
+++ b/.buck/shim/BUCK
@@ -0,0 +1,3 @@
+load("@prelude//toolchains:demo.bzl", "system_demo_toolchains")
+
+system_demo_toolchains()
diff --git a/.buck/shim/README.md b/.buck/shim/README.md
new file mode 100644
index 0000000..70016c3
--- /dev/null
+++ b/.buck/shim/README.md
@@ -0,0 +1,3 @@
+# Open Source Shim
+
+These files are a shim that allow us to build Object Introspection with Buck2 outside Meta in the open source world.
diff --git a/.buckconfig b/.buckconfig
new file mode 100644
index 0000000..ac88d2e
--- /dev/null
+++ b/.buckconfig
@@ -0,0 +1,17 @@
+[repositories]
+root = .
+prelude = .buck/prelude
+shim = .buck/shim
+
+[repository_aliases]
+config = prelude
+ovr_config = prelude
+toolchains = shim
+fbcode = shim
+fbcode_macros = shim
+fbsource = shim
+buck = shim
+
+[parser]
+target_platform_detector_spec = target:root//...->prelude//platforms:default target:shim//...->prelude//platforms:default
+
diff --git a/.gitignore b/.gitignore
index 491c05e..e205e3b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,9 @@ PADDING
 failed
 website/node_modules
 
+## Buck
+buck-out/
+
 ## Vim
 *.swp
 *.swo
diff --git a/.gitmodules b/.gitmodules
index 5611e66..577d278 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "extern/drgn"]
   path = extern/drgn
   url = https://github.com/JakeHillion/drgn.git
+[submodule ".buck/buck2-prelude"]
+	path = .buck/prelude
+	url = https://github.com/facebook/buck2-prelude
diff --git a/BUCK b/BUCK
new file mode 100644
index 0000000..979e82c
--- /dev/null
+++ b/BUCK
@@ -0,0 +1,6 @@
+load("@fbcode_macros//build_defs:native_rules.bzl", "alias")
+
+alias(
+  name = "oid",
+  actual = "//oi:oid",
+)
diff --git a/oi/BUCK b/oi/BUCK
new file mode 100644
index 0000000..2d67bcc
--- /dev/null
+++ b/oi/BUCK
@@ -0,0 +1,13 @@
+cxx_binary(
+  name = "oid",
+  srcs = [
+    "OID.cpp",
+    "OIDebugger.cpp",
+  ],
+  headers = [
+    "OIDebugger.h",
+    "Syscall.h",
+    "TrapInfo.h",
+  ], 
+)
+