agentic-engineering
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The Catalogue Tax: Why I Still Hand My Agents a CLI
Every MCP server you attach re-sends its tool catalogue on every request, and a new controlled study shows most agent harnesses pay that tax eagerly. Here's what MCP really costs in tokens and speed — and why I still give my agents a CLI when a good one exists.
Teaching the Factory to Pick Its Own Tools
My AI dev platform was choosing models with a regex. A $54 accounting bug, one research paper, and a morning of planning later, Composer is building its own complexity-aware model router. Here's the design.
The Inverse Architecture: Building the System That Builds the Systems
Four months ago I introduced Composer, my AI software factory. Since then it's shipped 642 pull requests for about $4K — and I've stopped reading the code. Here's the architecture everyone else is chasing backwards.