update what-is-mcp

Author: taylorwilsdon

docs/features/mcp/what-is-mcp.md

@@ -46,4 +46,4 @@ Ready to dig deeper? Check out these guides:
 - [MCP Overview](/features/mcp/overview) - A quick glance at the MCP documentation structure
 - [Using MCP in Roo Code](/features/mcp/using-mcp-in-roo) - Get started with MCP in Roo, including creating simple servers
 - [MCP vs API](/features/mcp/mcp-vs-api) - Technical advantages compared to traditional APIs
-- [STDIO & SSE Transports](/features/mcp/server-transports) - Local vs. hosted deployment models
+- [STDIO & Streamable HTTP & SSE Transports](/features/mcp/server-transports) - Local vs. hosted deployment models