imporve readme

Author: kentcdodds

exercises/README.mdx

@@ -35,7 +35,7 @@ graph LR
 		S2 <--> R2
 	end
 
-	subgraph "Internet"
+	subgraph "Internet ."
 		S3[Server 3<br>External APIs]
 		R3[("Remote<br>Resource C")]
 
@@ -50,12 +50,16 @@ Throughout this workshop, you'll learn:
   ([see architecture](https://modelcontextprotocol.io/specification/2025-06-18/architecture))
 - How JSON-RPC powers communication and stateful sessions between components
 - How to expose resources, prompts, and tools to LLMs using MCP
-- How to build composable, secure, and extensible integrations for AI workflows
 
 We'll focus on the fundamentals—no authentication or authorization required for
 our exercises—so you can get hands-on experience with the protocol's most
 important features.
 
+We'll be using the
+[MCP TypeScript SDK](https://github.com/modelcontextprotocol/typescript-sdk)
+to build our MCP server and the
+[MCP Inspector](https://github.com/modelcontextprotocol/inspector) to test it.
+
 If you're curious about the details, I highly recommend checking out the
 [official MCP specification](https://modelcontextprotocol.io/specification/2025-06-18)
 and the [introduction](https://modelcontextprotocol.io/introduction). These