diff --git a/objects/01-foundation.yml b/objects/01-foundation.yml
new file mode 100644
index 0000000..73267e7
--- /dev/null
+++ b/objects/01-foundation.yml
@@ -0,0 +1,58 @@
+# Foundation objects: Fabric, Platform, Site, Autonomous Systems
+# Must be loaded first — referenced by all subsequent files
+---
+apiVersion: infrahub.app/v1
+kind: Object
+spec:
+  kind: LocationSite
+  data:
+    - name: dc1
+      description: Primary data center
+---
+apiVersion: infrahub.app/v1
+kind: Object
+spec:
+  kind: InfraPlatform
+  data:
+    - name: arista_eos
+      description: Arista EOS
+      napalm_driver: eos
+      netmiko_device_type: arista_eos
+---
+apiVersion: infrahub.app/v1
+kind: Object
+spec:
+  kind: InfraAutonomousSystem
+  data:
+    - asn: 64999
+      description: External border peer
+      as_type: private
+    - asn: 65000
+      description: Spine AS
+      as_type: private
+    - asn: 65001
+      description: Leaf pair 1 (leaf1/leaf2)
+      as_type: private
+    - asn: 65002
+      description: Leaf pair 2 (leaf3/leaf4)
+      as_type: private
+    - asn: 65003
+      description: Leaf pair 3 (leaf5/leaf6)
+      as_type: private
+    - asn: 65004
+      description: Leaf pair 4 (leaf7/leaf8)
+      as_type: private
+---
+apiVersion: infrahub.app/v1
+kind: Object
+spec:
+  kind: InfraFabric
+  data:
+    - name: evpn-fabric
+      description: Arista EVPN-VXLAN reference fabric
+      underlay_protocol: ebgp
+      overlay_protocol: evpn
+      anycast_gateway_mac: "c001.cafe.babe"
+      spine_asn: "65000"
+      sites:
+        - dc1