diff --git a/ai_assistants.md b/ai_assistants.md
index f964c3e..0bd0fe3 100644
--- a/ai_assistants.md
+++ b/ai_assistants.md
@@ -20,10 +20,20 @@ option, is on the [MCP server](mcp_server) page.
    to PATH" in the installer. If typing `python` in a terminal opens the
    Microsoft Store, Python is not installed: that is a shortcut Windows
    ships in its place.
-2. **The server itself**, one file:
-   [`qet_mcp.py`](https://raw.githubusercontent.com/qelectrotech/qelectrotech-source-mirror/master/misc/qet-mcp/qet_mcp.py).
-   Save it anywhere, for example next to your drawings. It is not in the
-   QElectroTech installers yet.
+2. **The server itself**, one file, `qet_mcp.py`.
+   * **Development builds made after 29 September 2026 install it** with
+     QElectroTech: in `share/qelectrotech/mcp/` on Linux, and in the `mcp\`
+     folder of the installation on Windows (installer component "AI assistant
+     (MCP)", on by default). The Windows installer can also add Python for
+     it: tick "Python for the AI assistant" and step 1 is done
+     (`mcp\python\python.exe`).
+   * **With those builds, *Aide → Connecter un assistant IA…*** (*Help →
+     Connect an AI assistant*) writes the setup text below for you, with this
+     installation's paths filled in: choose the assistant and the folder,
+     then click Copy.
+   * **With an older version**, download the file:
+     [`qet_mcp.py`](https://raw.githubusercontent.com/qelectrotech/qelectrotech-source-mirror/master/misc/qet-mcp/qet_mcp.py),
+     and save it anywhere, for example next to your drawings.
 3. **A folder for the drawings the assistant may use.** The server only
    reads and writes inside it (`QET_MCP_WORKSPACE`). Pick a folder of
    drawings, not your whole home folder.