update readme about default Actors loading using query param, add TODO to remove Actor loading from Actor input directly since it probably does not work

Author: MQ37

.actor/ACTOR.md

@@ -67,13 +67,17 @@ Interested in building and monetizing your own AI agent on Apify? Check out our
 ## Tools
 
 ### Actors
-
 Any [Apify Actor](https://apify.com/store) can be used as a tool.
-By default, the server is pre-configured with the Actors specified below, but this can be overridden by providing Actor input.
+By default, the server is pre-configured with the Actors specified below, but this can be overridden by providing the `?actors` URL query parameter.
 
 ```text
 'apify/rag-web-browser'
 ```
+For example, to additionally load the `apify/instagram-scraper` Actor, you can start the server with the following URL:
+```text
+https://actors-mcp-server.apify.actor?token=<APIFY_TOKEN>&actors=apify/rag-web-browser,apify/instagram-scraper
+```
+
 The MCP server loads the Actor input schema and creates MCP tools corresponding to the Actors.
 See this example of input schema for the [RAG Web Browser](https://apify.com/apify/rag-web-browser/input-schema).
 

src/main.ts

@@ -30,6 +30,8 @@ log.info(`Loaded input: ${JSON.stringify(input)} `);
 
 if (STANDBY_MODE) {
     let actorsToLoad: string[] = [];
+    // TODO: in standby mode the input loading does not actually work,
+    // we should remove this since we are using the URL query parameters to load Actors
     // Load only Actors specified in the input
     // If you wish to start without any Actor, create a task and leave the input empty
     if (input.actors && input.actors.length > 0) {