diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
new file mode 100644
index 0000000..aff88f7
--- /dev/null
+++ b/.claude-plugin/plugin.json
@@ -0,0 +1,17 @@
+{
+  "name": "archify-vscode-ext",
+  "description": "Author, validate, render and manage Archify diagrams and models (registries, decisions, C4 folders) as read by the Archify Diagram Viewer VS Code extension.",
+  "author": {
+    "name": "Root At Skic"
+  },
+  "license": "MIT",
+  "homepage": "https://gitea.lego-cloud.eu/vscode-extensions-skills/archify-vscode-ext",
+  "repository": "https://gitea.lego-cloud.eu/vscode-extensions-skills/archify-vscode-ext.git",
+  "keywords": [
+    "archify",
+    "architecture",
+    "c4",
+    "diagrams",
+    "skills"
+  ]
+}
diff --git a/README.md b/README.md
index 803f9a5..6dc3c0e 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,14 @@ npx skills add https://gitea.lego-cloud.eu/vscode-extensions-skills/archify-vsco
 npx skills update --global
 ```
 
-Or clone the repository into your agent's skills folder (`~/.claude/skills`, `~/.agents/skills`) and `git pull` to update. Keep one copy per machine: a skill installed twice is offered to the agent twice. The bundled Archify version is printed by every `task model:validate` run (`archify: 3.0.1`), so a stale copy is easy to spot.
+In Claude Code, the same skill is also a plugin of the `root-at-skic` marketplace. Every commit on `main` is a new version, so an update always brings the latest; switch on auto-update for the marketplace and it arrives on its own:
+
+```
+/plugin marketplace add https://gitea.lego-cloud.eu/global-skills/marketplace.git
+/plugin install archify-vscode-ext@root-at-skic
+```
+
+Or clone the repository into your agent's skills folder (`~/.claude/skills`, `~/.agents/skills`) and `git pull` to update. Pick one route per machine: a skill installed twice is offered to the agent twice. The bundled Archify version is printed by every `task model:validate` run (`archify: 3.0.1`), so a stale copy is easy to spot.
 
 Quick start: