diff --git a/.chloggen/cobra-cli-error-builder.yaml b/.chloggen/cobra-cli-error-builder.yaml
new file mode 100644
index 00000000000..68a70a81657
--- /dev/null
+++ b/.chloggen/cobra-cli-error-builder.yaml
@@ -0,0 +1,4 @@
+change_type: bug_fix
+component: cmd/builder
+note: Fix duplicate error output when CLI command execution fails in the builder tool.
+issues: [14436]
diff --git a/.chloggen/cobra-cli-error-mdatagen.yaml b/.chloggen/cobra-cli-error-mdatagen.yaml
new file mode 100644
index 00000000000..9b54a597005
--- /dev/null
+++ b/.chloggen/cobra-cli-error-mdatagen.yaml
@@ -0,0 +1,4 @@
+change_type: bug_fix
+component: cmd/mdatagen
+note: Fix duplicate error output when CLI command execution fails in the mdatagen tool.
+issues: [14436]
diff --git a/cmd/builder/main.go b/cmd/builder/main.go
index c1a27854c6d..89c24a08bbf 100644
--- a/cmd/builder/main.go
+++ b/cmd/builder/main.go
@@ -4,6 +4,8 @@
 package main
 
 import (
+	"os"
+
 	"github.com/spf13/cobra"
 
 	"go.opentelemetry.io/collector/cmd/builder/internal"
@@ -12,5 +14,8 @@ import (
 func main() {
 	cmd, err := internal.Command()
 	cobra.CheckErr(err)
-	cobra.CheckErr(cmd.Execute())
+
+	if err := cmd.Execute(); err != nil {
+		os.Exit(1)
+	}
 }
diff --git a/cmd/mdatagen/main.go b/cmd/mdatagen/main.go
index 32bab21949d..e3eb75b3299 100644
--- a/cmd/mdatagen/main.go
+++ b/cmd/mdatagen/main.go
@@ -6,6 +6,8 @@ package main
 //go:generate mdatagen metadata.yaml
 
 import (
+	"os"
+
 	"github.com/spf13/cobra"
 
 	"go.opentelemetry.io/collector/cmd/mdatagen/internal"
@@ -14,5 +16,8 @@ import (
 func main() {
 	cmd, err := internal.NewCommand()
 	cobra.CheckErr(err)
-	cobra.CheckErr(cmd.Execute())
+
+	if err := cmd.Execute(); err != nil {
+		os.Exit(1)
+	}
 }