diff --git a/build.sh b/build.sh
index 9e59417..7c8250c 100755
--- a/build.sh
+++ b/build.sh
@@ -7,3 +7,13 @@ mkdir -p BUILT/site/
# TODO Rename site/ to static/
find site/ -type f -exec ln -f {} BUILT/site \;
+
+# Go
+PATH="$PATH:$(go env GOPATH)/bin"
+
+# https://github.com/googlecodelabs/tools/tree/main/claat#install
+go install github.com/googlecodelabs/tools/claat@latest
+
+# TODO mv source, so that URL and directory match
+# (incl. changing "feedback link" in codelab.en.md)
+claat export -o BUILT/site/en/computers/intro learn/computers/setup/concepts/codelab.en.md
diff --git a/docs/ideas-ToDo.md b/docs/ideas-ToDo.md
index 86a3fdf..85f3c27 100644
--- a/docs/ideas-ToDo.md
+++ b/docs/ideas-ToDo.md
@@ -2,9 +2,11 @@
## Must
-1. #Hack Codelab #1 (with Bazel)
1. #Com A. test
1. #Hack Kata `echo hello`
+1. #Hack Build 2nd Codelab, automagically
+1. #Hack tocs.yaml reader used to generate
+1. #Hack MD [ ] doesn't work in Codelabs
1. #Design Homepage HTML black and matrix-like green with https://github.com/Rezmason/matrix
1. #Hack Codelabs directory site (pending https://github.com/googlecodelabs/tools/pull/884)
1. #Hack Slides
@@ -20,9 +22,14 @@
1. #Com https://github.com/edunumsec2/book/blob/master/doc/comite.md
1. #Hack SEO for client-side multilingual - `` ?
1. #Hack Write _Terms of Service_ and _Privacy Policy_
+1. #Com #Biz Merch!
## Should
+1. Generate Codelabs' "id" and "feedback link:" and "summary"
+
+1. Fix https://github.com/googlecodelabs/tools/issues/877 for YAML Front Matter support in claat
+
1. Lessons Graph, with progress view, with Mermaid; à la Khan
1. Run https://lychee.cli.rs on generated output site (not source, as Mega Linter does)
diff --git a/learn/computers/setup/concepts/codelab.en.md b/learn/computers/setup/concepts/codelab.en.md
index 7f144e3..22cf987 100644
--- a/learn/computers/setup/concepts/codelab.en.md
+++ b/learn/computers/setup/concepts/codelab.en.md
@@ -1,6 +1,12 @@
-# Computer Concepts
+author: Michael Vorburger.ch
+summary: Introduction to Computers
+id: codelab
+categories: computers,introduction
+environments: Web
+status: Published
+feedback link: https://github.com/www-learn-study/saraswati.learn.study/edit/main/learn/computers/setup/concepts/codelab.en.md
-## Prerequisites
+# Computer Concepts
## CPU
diff --git a/site/index.html b/site/index.html
index 433f620..e2ef61b 100644
--- a/site/index.html
+++ b/site/index.html
@@ -26,9 +26,7 @@
-
-
hello, world
-
+ What's a Computer?
🚧 This website is currently still under construction.🏗️