Blog
Sharing insights on web development, security, and tools
2026
05/27
AI13 min read
What Is Harness Engineering: From Prompts to a Full Agent Wrapper
OpenAI introduced Harness Engineering in 2026 as a name for everything that wraps a large language model. This guide walks the path from prompt engineering to context engineering to the full four-layer harness, with Claude Code as a concrete reference for how it lands in practice.
New05/15
AI15 min read
The Complete MCP Protocol Guide: Internals, Implementation, and 7 Production Pitfalls
What exactly is the MCP that Claude Code, Cursor, and ChatGPT Desktop all use? This guide walks the protocol design, server implementation (Python and TypeScript), three transport modes, the Tool/Resource/Prompt triplet, and 7 pitfalls that hit production teams.
