diff --git a/README.md b/README.md
index 4cb60ad..176112d 100644
--- a/README.md
+++ b/README.md
@@ -13,3 +13,61 @@ It has 4 standard entry points, defined in `pyproject.toml`:
 
 It has a Forgejo CI build action, defined in `.forgejo/actions/build.yaml`.
 
+## Usage
+
+Just replace `foo` by the name of the plugin below.
+
+With `fish`:
+
+```fish
+set NAME foo
+set PNAME knoc_$NAME
+set DNAME (echo $NAME | tr "_" "-")
+```
+
+or with bash:
+```bash
+NAME=foo
+PNAME=knoc_$NAME
+DNAME=$(echo $NAME | tr "_" "-")
+```
+
+Then:
+```fish
+git clone https://code.philo.ydns.eu/K-Net/knoc-plugin-template.git $DNAME
+cd $DNAME
+rm -rf .git
+mv src/knoc_plugin_template src/$NAME
+sed  "s/plugin_template/$NAME/" -i pyproject.toml
+sed  "s/knoc-plugin-template/$DNAME/" -i pyproject.toml
+sed  "s/plugin_template/$NAME/" -i src/$PNAME/api.py
+sed  "s/plugin_template/$NAME/" -i src/$PNAME/cli.py
+sed  "s/plugin_template/$NAME/" -i src/$PNAME/settings.py
+sed  "s/plugin_template/$NAME/" -i src/$PNAME/workflows.py
+uv venv
+git init
+```
+
+Then, with `fish`:
+```fish
+. .venv/bin/activate.fish
+uv sync
+```
+
+Or `bash`:
+```bash
+. .venv/bin/activate
+uv sync
+```
+
+=> The package is ready.
+
+In a *knoc* development environment:
+```fish
+uv pip install -e ../$DNAME
+knoc # Should display the new plugin's CLI tool 
+```
+
+Finally, set the git upstream, edit, commit, tag, push.
+
+To add the plugin in a production image, add the name to the `PLUGIN` variable of the CI build tool, and deploy.
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