Example server to expose a fetch tool and a fetch prompt

examples/servers/simple-tool/README.md

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+# MCP Simple Tool
+
+A simple MCP server that exposes a website fetching tool.
+
+## Usage
+
+Start the server using either stdio (default) or SSE transport:
+
+```bash
+# Using stdio transport (default)
+mcp-simple-tool
+
+# Using SSE transport on custom port
+mcp-simple-tool --transport sse --port 8000
+```
+
+The server exposes a tool named "fetch" that accepts one required argument:
+
+- `url`: The URL of the website to fetch
+
+## Example
+
+Using the MCP client, you can use the tool like this:
+
+```python
+from mcp.client import ClientSession
+
+async with ClientSession() as session:
+    await session.initialize()
+
+    # List available tools
+    tools = await session.list_tools()
+    print(tools)
+
+    # Call the fetch tool
+    result = await session.call_tool("fetch", {
+        "url": "https://example.com"
+    })
+    print(result)
+```