Merge pull request #502 from karenwky/mcp-course-link-refactor

Add MCP course link

Author: sergiopaniego

units/en/unit1/tools.mdx

@@ -302,6 +302,8 @@ MCP provides:
 
 This means that **any framework implementing MCP can leverage tools defined within the protocol**, eliminating the need to reimplement the same tool interface for each framework.
 
+If you want to dive deeper about MCP, you can check our [free MCP Course](https://huggingface.co/learn/mcp-course/). 
+
 ---
 
 Tools play a crucial role in enhancing the capabilities of AI agents.

units/en/unit2/llama-index/tools.mdx

@@ -103,6 +103,8 @@ To get a more detailed view of the tools, we can take a look at the `metadata` o
 LlamaIndex also allows using MCP tools through a [ToolSpec on the LlamaHub](https://llamahub.ai/l/tools/llama-index-tools-mcp?from=).
 You can simply run an MCP server and start using it through the following implementation.
 
+If you want to dive deeper about MCP, you can check our [free MCP Course](https://huggingface.co/learn/mcp-course/). 
+
 <details>
 <summary>Install the MCP Toolspec</summary>
 As introduced in the <a href="./llama-hub">section on the LlamaHub</a>, we can install the MCP toolspec with the following command:

units/en/unit2/smolagents/tools.mdx

@@ -262,7 +262,7 @@ agent.run("Search for luxury entertainment ideas for a superhero-themed event, s
 
 ### Importing a tool collection from any MCP server
 
-`smolagents` also allows importing tools from the hundreds of MCP servers available on [glama.ai](https://glama.ai/mcp/servers) or [smithery.ai](https://smithery.ai).
+`smolagents` also allows importing tools from the hundreds of MCP servers available on [glama.ai](https://glama.ai/mcp/servers) or [smithery.ai](https://smithery.ai). If you want to dive deeper about MCP, you can check our [free MCP Course](https://huggingface.co/learn/mcp-course/). 
 
 <details>
 <summary>Install mcp client</summary>