diff --git a/pkgs/sage-project-cookiecutter/README.rst b/pkgs/sage-project-cookiecutter/README.rst
index f48ea83f4bd..ebc5592a495 100644
--- a/pkgs/sage-project-cookiecutter/README.rst
+++ b/pkgs/sage-project-cookiecutter/README.rst
@@ -34,9 +34,12 @@ This creates configuration files:
 
 It can also be invoked as follows::
 
-   $ pipx run cookiecutter gh:sagemath/sage --directory="pkgs/sage-project-cookiecutter/sage_project_cookiecutter/user-project-template"
+   $ pipx run cruft create https://github.com/mkoeppe/sage --checkout sagemath-environment-cookiecutter \
+       --directory="pkgs/sage-project-cookiecutter/sage_project_cookiecutter/user-project-template"
 
-See https://cookiecutter.readthedocs.io/en/latest/README.html for available options.
+TODO: Update URL, remove --checkout ... before merging.
+
+See https://cruft.github.io/cruft/ for available options.
 
 
 Creating a pip-installable downstream package
@@ -50,6 +53,11 @@ Additionally creates:
 
 - ``.github/workflows/``
 
+It can also be invoked as follows::
+
+   $ pipx run cruft create https://github.com/mkoeppe/sage --checkout sagemath-environment-cookiecutter \
+       --directory="pkgs/sage-project-cookiecutter/sage_project_cookiecutter/downstream-package-template"
+
 
 Adding Sage CI portability/integration testing infrastructure to an upstream project
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -64,6 +72,11 @@ Creates:
 - ``.devcontainer/portability-*``
 - ``.devcontainer/tox-docker-in-docker``
 
+It can also be invoked as follows::
+
+   $ pipx run cruft create https://github.com/mkoeppe/sage --checkout sagemath-environment-cookiecutter \
+       --directory="pkgs/sage-project-cookiecutter/sage_project_cookiecutter/upstream-package-template"
+
 
 Creating a pip-installable upstream package of the SageMath organization
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -76,3 +89,16 @@ Additionally creates:
 
 - ``CODE_OF_CONDUCT.md``
 - ``CONTRIBUTING.md``
+
+It can also be invoked as follows::
+
+   $ pipx run cruft create https://github.com/mkoeppe/sage --checkout sagemath-environment-cookiecutter \
+       --directory="pkgs/sage-project-cookiecutter/sage_project_cookiecutter/sagemath-upstream-package-template"
+
+
+Updating a project
+~~~~~~~~~~~~~~~~~~
+
+::
+
+   $ pipx run cruft update
diff --git a/pkgs/sage-project-cookiecutter/sage_project_cookiecutter/sagemath-upstream-package-template/cookiecutter.json b/pkgs/sage-project-cookiecutter/sage_project_cookiecutter/sagemath-upstream-package-template/cookiecutter.json
new file mode 100644
index 00000000000..3858a51e06c
--- /dev/null
+++ b/pkgs/sage-project-cookiecutter/sage_project_cookiecutter/sagemath-upstream-package-template/cookiecutter.json
@@ -0,0 +1,6 @@
+{
+    "project_name": "my-sage-project",
+    "__prompts__": {
+        "project_name": "Name of the project (directory name to create)"
+    }
+}
diff --git a/pkgs/sage-project-cookiecutter/sage_project_cookiecutter/sagemath-upstream-package-template/{{cookiecutter.project_name}}/CODE_OF_CONDUCT.md b/pkgs/sage-project-cookiecutter/sage_project_cookiecutter/sagemath-upstream-package-template/{{cookiecutter.project_name}}/CODE_OF_CONDUCT.md
new file mode 100644
index 00000000000..fcbba0a5674
--- /dev/null
+++ b/pkgs/sage-project-cookiecutter/sage_project_cookiecutter/sagemath-upstream-package-template/{{cookiecutter.project_name}}/CODE_OF_CONDUCT.md
@@ -0,0 +1,4 @@
+This is an open-source project maintained by the SageMath community.
+
+The [Code of Conduct](https://github.com/sagemath/sage/blob/develop/CODE_OF_CONDUCT.md)
+of the Sage community applies.
diff --git a/pkgs/sage-project-cookiecutter/sage_project_cookiecutter/sagemath-upstream-package-template/{{cookiecutter.project_name}}/CONTRIBUTING.md b/pkgs/sage-project-cookiecutter/sage_project_cookiecutter/sagemath-upstream-package-template/{{cookiecutter.project_name}}/CONTRIBUTING.md
new file mode 100644
index 00000000000..73f3cb08fc9
--- /dev/null
+++ b/pkgs/sage-project-cookiecutter/sage_project_cookiecutter/sagemath-upstream-package-template/{{cookiecutter.project_name}}/CONTRIBUTING.md
@@ -0,0 +1,9 @@
+This is an open-source project maintained by the SageMath community.
+
+Contributions of all sorts are heartily welcomed.
+
+See https://github.com/sagemath/sage/blob/develop/CONTRIBUTING.md for general
+guidance on how to contribute.
+
+Open issues or submit pull requests at https://github.com/sagemath/{{cookiecutter.project_name}}
+and join https://groups.google.com/group/sage-devel to discuss.