Update README to clarify installing mcp to project vs running mcp

uv add is for adding dependency to uv managed python projects, and folks
not familiar with uv may mistaken the command for running mcp. Added
wordings that clarifies this.

Author: john0312

README.md

@@ -67,17 +67,27 @@ The Model Context Protocol allows applications to provide context for LLMs in a
 
 ## Installation
 
-We recommend using [uv](https://docs.astral.sh/uv/) to manage your Python projects:
+### Adding MCP to your python project
+
+We recommend using [uv](https://docs.astral.sh/uv/) to manage your Python projects. In a uv managed python project, add mcp to dependencies by:
 
 ```bash
 uv add "mcp[cli]"
 ```
 
-Alternatively:
+Alternatively, for projects using pip for dependencies:
 ```bash
 pip install mcp
 ```
 
+### Running the standalone MCP development tools
+
+To run the mcp command with uv:
+
+```bash
+uv run mcp
+```
+
 ## Quickstart
 
 Let's create a simple MCP server that exposes a calculator tool and some data: