MCP stdio transport integration

Overview

Implement the MCP stdio transport integration for the OpenAPI MCP server.

Background

This task was split from issue #3 (closed) (Standalone OpenAPI MCP Server Binary) to focus specifically on the stdio transport integration component.

Requirements

• Implement stdio transport according to MCP specifications
• Ensure proper input/output handling for MCP messages
• Handle transport-level errors appropriately
• Integrate with the server lifecycle management

Implementation Details

• Follow the MCP protocol specifications for stdio transport
• Ensure proper buffering and message framing
• Implement proper error handling for transport-level issues
• Test with actual MCP clients (Claude, etc.)

Acceptance Criteria

• Stdio transport fully implemented according to MCP specifications
• Server can communicate with MCP clients through stdio
• Proper error handling for transport-level issues
• Tests covering transport functionality
• Documentation for transport usage

Related Issues

• Parent issue: #3 (closed) (Standalone OpenAPI MCP Server Binary)