diff --git a/src/vnet/classify/FEATURE.yaml b/src/vnet/classify/FEATURE.yaml
new file mode 100644
index 0000000..976bfa5
--- /dev/null
+++ b/src/vnet/classify/FEATURE.yaml
@@ -0,0 +1,10 @@
+---
+name: Classify
+maintainer: Dave Barach <dbarach@cisco.com>
+features:
+  - Swiss-army-knife mask-match engine for classifying packets
+  - Uses 128-bit SIMD vector operations for performance
+  - Many use-cases, including packet trace / pcap capture filtration
+description: "Mask / match packet classifier"
+state: production
+properties: [API, CLI, MULTITHREAD]
diff --git a/src/vnet/cop/FEATURE.yaml b/src/vnet/cop/FEATURE.yaml
new file mode 100644
index 0000000..c6fbdb8
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+++ b/src/vnet/cop/FEATURE.yaml
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+---
+name: COP
+maintainer: Dave Barach <dbarach@cisco.com>
+features:
+  - v4, v6 non-default FIB src-address lookup
+  - Drop packets which don't hit a receive adjacency
+  - Not widely used
+
+description: "A very simple / fast source-address whitelist feature"
+state: experimental
+properties: [API, CLI, MULTITHREAD]
diff --git a/src/vnet/pg/FEATURE.yaml b/src/vnet/pg/FEATURE.yaml
new file mode 100644
index 0000000..5dfdbf6
--- /dev/null
+++ b/src/vnet/pg/FEATURE.yaml
@@ -0,0 +1,13 @@
+---
+name: PG
+maintainer: Dave Barach <dbarach@cisco.com>
+features:
+  - High-speed packet generation
+  - Packet definition CLI
+  - Support for pcap capture replay
+  - Multi-thread packet generation
+  - Packet injection into arbitrary graph nodes
+  - Heavily used by "make test"
+description: "High-speed packet generator"
+state: production
+properties: [CLI, MULTITHREAD]