1.7Interview Talking Point

"Agent skills are a fundamentally different architectural choice from MCP servers. Where MCP adds tool schemas to the context window — often thousands of tokens per server — skills inject procedural knowledge as markdown. A browser-automation SKILL.md is about 100 lines that teach the agent an entire CLI command surface. Those same capabilities via MCP mean exposing dozens of tool definitions with JSON schemas, input validation, and response formats on every request. Skills are the 'recipes'; MCP is the 'kitchen equipment.' It's telling that Microsoft's own Playwright CLI ships a --skills flag now — the pattern won."