MCP Model Context Protocol in TypeScript: build portable tools across Claude, GPT, and local models

MCP Model Context Protocol in TypeScript: build portable tools across Claude, GPT, and local models Most MCP tutorials start with npm install @anthropic-ai/sdk and by the third code block they already have business logic coupled to the Anthropic client. You read that right: they teach you the portability protocol using code that isn't portable. And that completely changes how you end up designing your tools when you need to move them. My thesis is simple and I'll defend it from the design lev...