diff --git a/grpc/golang/help.json b/grpc/golang/help.json
new file mode 100644
index 0000000..c52ae09
--- /dev/null
+++ b/grpc/golang/help.json
@@ -0,0 +1,4 @@
+{
+	"short": "grpc golang commands",
+	"long": "grpc golang commands"
+}
diff --git a/grpc/java/help.json b/grpc/java/help.json
new file mode 100644
index 0000000..3ddc90e
--- /dev/null
+++ b/grpc/java/help.json
@@ -0,0 +1,4 @@
+{
+	"short": "grpc java commands",
+	"long": "grpc java commands"
+}
diff --git a/grpc/login/java/README.md b/grpc/login/java/README.md
deleted file mode 100755
index 9111f73..0000000
--- a/grpc/login/java/README.md
+++ /dev/null
@@ -1,26 +0,0 @@
-# Description
-
-Formula (poc) to consume an gRPC API.
-
-This formula is locally consuming a method `Login` from the server generated by [this repository](https://github.com/GuillaumeFalourd/poc-grpc-java-maven).
-
-## Command
-
-```bash
-rit grpc login java
-```
-
-## Requirements
-
-- Java 8
-- [This repository](https://github.com/GuillaumeFalourd/poc-grpc-java-maven) message server running locally (localhost:9090).
-
-## Demonstration
-
-After running the server:
-
-![Server](https://user-images.githubusercontent.com/22433243/128188584-1be5d6e4-6e05-4e74-b286-d00e9c052820.png)
-
-Run the formula command:
-
-![Formula](https://user-images.githubusercontent.com/22433243/128188626-6aa25e4b-0b9e-4306-a5f9-85fdb27d29ad.png)
diff --git a/grpc/message/python/README.md b/grpc/message/python/README.md
deleted file mode 100755
index 0e08535..0000000
--- a/grpc/message/python/README.md
+++ /dev/null
@@ -1,26 +0,0 @@
-# Description
-
-Formula (poc) to consume an gRPC API.
-
-This formula is locally consuming a method `MessageRequest` from the server generated by [this repository](https://github.com/GuillaumeFalourd/poc-grpc-python).
-
-## Command
-
-```bash
-rit grpc message python
-```
-
-## Requirements
-
-- Python3
-- [This repository](https://github.com/GuillaumeFalourd/poc-grpc-python) message server running locally (localhost:50051).
-
-## Demonstration
-
-After running the server:
-
-![Server](https://user-images.githubusercontent.com/22433243/128188725-d3a9deff-9250-480c-bbf0-0efadbfb6924.png)
-
-Run the formula command:
-
-![Formula](https://user-images.githubusercontent.com/22433243/128188869-5c36ce10-d95c-4ed3-b0d7-d18cdda9c020.png)
diff --git a/grpc/python/help.json b/grpc/python/help.json
new file mode 100644
index 0000000..fb550a4
--- /dev/null
+++ b/grpc/python/help.json
@@ -0,0 +1,4 @@
+{
+	"short": "grpc python commands",
+	"long": "grpc python commands"
+}