diff --git a/modbus-mqtt/Cargo.toml b/modbus-mqtt/Cargo.toml
index 5045411..f384e38 100644
--- a/modbus-mqtt/Cargo.toml
+++ b/modbus-mqtt/Cargo.toml
@@ -3,7 +3,12 @@ name = "modbus-mqtt"
 version = "0.1.0"
 edition = "2021"
 authors = ["Bo Jeanes <me@bjeanes.com>"]
-default-run = "modbus-mqtt"
+description = "A bridge between Modbus devices and MQTT"
+keywords = ["modbus", "mqtt", "sungrow"]
+categories = ["network-programming", "command-line-utilities"]
+homepage = "https://github.com/bjeanes/modbus-mqtt/tree/main/modbus-mqtt"
+repository = "https://github.com/bjeanes/modbus-mqtt"
+license = "MIT"
 
 [dependencies]
 bytes = "1.1.0"
diff --git a/sungrow-winets/Cargo.toml b/sungrow-winets/Cargo.toml
index f7277da..ea44be0 100644
--- a/sungrow-winets/Cargo.toml
+++ b/sungrow-winets/Cargo.toml
@@ -3,6 +3,12 @@ name = "sungrow-winets"
 version = "0.1.0"
 edition = "2021"
 authors = ["Bo Jeanes <me@bjeanes.com>"]
+description = "A rudimentary client for programmatically interacting with Sungrow inverters which are using a WiNet-S dongle for network connectivity."
+keywords = ["sungrow"]
+categories = ["api-bindings"]
+homepage = "https://github.com/bjeanes/modbus-mqtt/tree/main/sungrow-winets"
+repository = "https://github.com/bjeanes/modbus-mqtt"
+license = "MIT"
 
 [dependencies]
 bitmask-enum = "2.0.0"
diff --git a/tokio_modbus-winets/Cargo.toml b/tokio_modbus-winets/Cargo.toml
index df23622..a402bc0 100644
--- a/tokio_modbus-winets/Cargo.toml
+++ b/tokio_modbus-winets/Cargo.toml
@@ -3,6 +3,11 @@ name = "tokio_modbus-winets"
 version = "0.1.0"
 edition = "2021"
 authors = ["Bo Jeanes <me@bjeanes.com>"]
+license = "MIT"
+keywords = ["tokio_modbus", "modbus", "sungrow"]
+description = "Teaches tokio_modbus to query Modbus registers over HTTP for Sungrow inverters using WiNet-S network dongle."
+homepage = "https://github.com/bjeanes/modbus-mqtt/tree/main/tokio_modbus-winets"
+repository = "https://github.com/bjeanes/modbus-mqtt"
 
 [dependencies]
 async-trait = "0.1.57"