fix: MCP server can add and remove Actors as default behavior (#1643)

Author: MichalKalita

sources/platform/integrations/ai/mcp.md

@@ -92,7 +92,10 @@ In the client settings, you need to provide server configuration:
 
 By default, the main Actors MCP Server starts with a single default [RAG Web Browser Actor](https://apify.com/apify/rag-web-browser). However, you can fully customize which Actors are available:
 
-- _Dynamic adding during a session:_ If your client supports it, the agent itself can add Actors dynamically by name (using the `add-actor` operation) at runtime. For example, after using `search-actors` to find an Actor’s name, calling `add-actor` with that name will load it. Note that not all MCP client frameworks allow dynamic tool addition at runtime, but Apify’s own tester client does, if `enableAddingActors` is enabled—either via `?enableAddingActors=true` in the MCP Server URL, or with the CLI flag `--enable-adding-actors` (can also be set in Claude for Desktop config args as `--enable-adding-actors`).
+- _Dynamic adding during a session:_ If your client supports it, the agent itself can add Actors dynamically by name (using the `add-actor` operation) at runtime. For example, after using `search-actors` to find an Actor’s name, calling `add-actor` with that name will load it.  
+  _Tools for adding and removing Actors are enabled by default._  
+  You can disable these tools by setting the parameter `?enableAddingActors=false` in the MCP Server URL, or with the CLI flag `--enable-adding-actors=false` (can also be set in Claude for Desktop config args as `--enable-adding-actors=false`).  
+  Not all MCP client frameworks allow dynamic tool addition at runtime, but Apify’s own tester client does, if adding Actors is enabled.
 - _Via config file:_ When using Claude for Desktop, you can specify which Actors should be immediately available by configuring your `mcpServers` settings. Add the Actors as a comma-separated list in the `--actors` parameter, as shown in the example below. This pre-loads your selected tools without requiring discovery during conversations, ideal for workflows with predictable tool needs.
 
 ```json