What are MCP Transports?

The blog post by Ravin Thambapillai discusses MCP transports, specifically focusing on the two built-in modes: Standard Input/Output (STDIO) and Streamable HTTP, which offer different configurations and benefits for handling MCP transactions. STDIO provides a persistent, stateful connection similar to TCP, while Streamable HTTP operates in a stateless manner akin to HTTP, offering scalability and simplicity. The post also explores the option of building custom transports for specific needs, highlighting the importance of adhering to principles like proper error handling, resource management, and security measures such as authentication, authorization, and input sanitization to ensure robust and secure transport implementations. Additionally, it emphasizes security considerations to protect data and systems, including encryption, rate limiting, and network security practices, noting the deprecation of HTTP with Server-Sent Events in favor of Streamable HTTP for better compatibility with modern infrastructure standards.

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