--- /dev/null
+<!-- WARNING: This file is generated by fetch_docs.js using /home/boron/Documents/AGL/docs-webtemplate/site/_data/tocs/devguides/master/xds-docs-guides-devguides-book.yml -->
+
+# Debugging
+
+## XDS cli architecture
+
+This tool is written in *Go*.
+
+```bash
+|
++-- bin/ # where xds-cli binary will be built
+|
++-- cmd-XXX.go # GO sources of each sub-commands
+|
++-- conf.d/ # Linux configuration and startup files (systemd user service)
+|
++-- glide.yaml # Go package dependency file
+|
++-- LICENSE # XDS cli license
+|
++-- main.go # main entry point (Go)
+|
++-- Makefile # makefile including
+|
++-- README.md # readme
+|
++-- scripts/ # hold various scripts used for installation
+|
++-- vendor/ # temporary directory to hold Go dependencies packages
+```
+
+## Debug
+
+Install first [Visual Studio Code](https://code.visualstudio.com/) and
+[Go plugin](https://marketplace.visualstudio.com/items?itemName=lukehoban.Go)
+(`ext install lukehoban.Go`)
+
+Visual Studio Code launcher settings can be found into `.vscode/launch.json`.
+
+Please follow instructions of xds-agent [debugging chapter](../2_xds-agent/4_debug.html#debug-xds-agent-go-code),
+knowing that you execute these same instructions in `xds-cli` repo, in other words
+by replacing *xds-agent* references by *xds-cli*.