diff --git a/cmd/root.go b/cmd/root.go
index 9a8c077..5da9d0b 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -4,10 +4,13 @@ Copyright © 2023 Mostafa Mekky <mos.mekky@gmail.com>
 package cmd
 
 import (
+	"errors"
 	"fmt"
+	"log"
 	"os"
 
 	"github.com/spf13/cobra"
+	"github.com/spf13/cobra/doc"
 )
 
 // rootCmd represents the base command when called without any subcommands
@@ -30,6 +33,25 @@ func Execute() {
 	if err != nil {
 		os.Exit(1)
 	}
+	markdownFile := "ymlio-docs.md"
+	if _, err := os.Stat(markdownFile); errors.Is(err, os.ErrNotExist) {
+		fmt.Printf("%s not found, \ngenerating...\n", markdownFile)
+		// check if tmp_ymlio_doc folder exists.
+		path := "./tmp_ymlio_doc"
+		if _, err := os.Stat(path); os.IsNotExist(err) {
+			err := os.Mkdir(path, 0700)
+			if err != nil {
+				log.Fatal(err)
+			}
+		}
+
+		// generate markdownTree for all cobra.commands.
+		err := doc.GenMarkdownTree(rootCmd, "./tmp_ymlio_doc")
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
 }
 
 // Execute adds all child commands to the root command and sets flags appropriately.
diff --git a/go.mod b/go.mod
index 66b5572..e53cfb7 100644
--- a/go.mod
+++ b/go.mod
@@ -10,12 +10,14 @@ require (
 )
 
 require (
+	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.0.1 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/spf13/afero v1.9.3 // indirect
 	github.com/spf13/cast v1.5.0 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
diff --git a/go.sum b/go.sum
index 793d07a..921b1d7 100644
--- a/go.sum
+++ b/go.sum
@@ -46,6 +46,7 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -147,6 +148,7 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.6.1 h1:/FiVV8dS/e+YqF2JvO3yXRFbBLTIuSDkuC7aBOAvL+k=
+github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/spf13/afero v1.9.3 h1:41FoI0fD7OR7mGcKE/aOiLkGreyf8ifIOQmJANWogMk=
 github.com/spf13/afero v1.9.3/go.mod h1:iUV7ddyEEZPO5gA3zD4fJt6iStLlL+Lg4m2cihcDf8Y=