Add experimental note

Signed-off-by: Dan Barr <[email protected]>

Author: danbarr

docs/toolhive/guides-mcp/meta-mcp.mdx

@@ -16,6 +16,13 @@ multiple MCP servers. It provides tool discovery, unified access to multiple MCP
 servers through a single endpoint, and intelligent routing of requests to
 appropriate MCP tools.
 
+:::info[Status]
+
+The meta-mcp server is currently experimental. If you try it out, please share
+your feedback on the [Stacklok Discord community](https://discord.gg/stacklok).
+
+:::
+
 Key features include:
 
 - **Tool discovery**: Uses hybrid search (semantic + keyword) to find the right