docs: fix MCP howto — Tools tab requires the permission to reach the user session; clarify HTTP-only servers

getting-started.md

@@ -101,13 +101,13 @@ The chat supports **MCP (Model Context Protocol) servers** — external tool
 services that let the AI do things like search marketplaces, query other
 services, or pull in specialized data. Every member can connect their own:
 
-1. In the chat, go to **Settings → Tools** (or **Admin Settings → External
+1. In the chat, go to **Settings → Tools** and add an MCP server by its URL.
-   Tools** shows admin-managed ones).
+   (If you don't see the Tools tab, refresh the page — it appears once the
-2. Add an MCP server by its URL (it must be reachable over HTTP — servers that
+   permission syncs to your session.) The server must be reachable over HTTP —
-   run only locally on your own computer, like many Claude Desktop configs,
+   ones that run only locally on your own computer, like many Claude Desktop
-   can't be attached here; use their hosted versions if offered).
+   configs, can't attach here; use their hosted versions if offered.
-3. In a conversation, pick the tool server from the tools menu (the ⊕ or
+2. In a conversation, pick the tool server from the tools menu near the message
-   wrench icon near the message box) and ask away.
+   box and ask away.
 
 Your tool servers belong to you: they run under your account, you choose which
 conversations they attach to, and other members don't see them. Please review