support auth by HTTP basic auth

[lambochen]

Motivation and Context

Support a way to auth client-server connection by request params.
I think it's necessary, such as, When using Claude Desktop to connect to a remote MCP Server, only one URL can be filled in. If identity authentication and authorization are implemented, passing information from the request parameters is a good choice.

How Has This Been Tested?

Breaking Changes

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have read the MCP Documentation
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have added or updated documentation as needed

Additional context

[lambochen]

related issue: #204

[lambochen]

CC: @tzolov thx

[lambochen]

related Spring AI
Issue: spring-projects/spring-ai#2888
PR: spring-projects/spring-ai#2886

[lambochen]

McpServerAuthProvider example

McpServerAuthProvider implement example

import io.modelcontextprotocol.server.McpServerAuthParam;
import io.modelcontextprotocol.server.McpServerAuthProvider;
// import org.springframework.stereotype.Component;

// @Component
public class CustomMcpServerAuthProvider implements McpServerAuthProvider {

	@Override
	public boolean authenticate(McpServerAuthParam param) {
		// example: get token param
		String token = param.getParams().get("token");
		// TODO do something
		return true;
	}

}

MCP Client(eg: Claude) config

{
  "mcpServers": {
    "mcp-remote-server-example": {
      "url": "http://{your mcp server}/sse?token=xxx"
    }
  }
}