TL;DR I built my first Model Context Protocol (MCP) server to give Claude Code read access to a local project knowledge base — and the first version was bad in ways I didn't expect. Here's the minimal TypeScript skeleton that actually works, plus 4 lessons about tool design that I wish someone h...

Source: [Dev.to](https://dev.to/yureki_lab/how-i-built-my-first-mcp-server-for-claude-code-4-lessons-293i)

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