John Nichev

Senior SWE. Python (agent frameworks), React + Node.js (full stack), LLMs and agent tooling. Built selectools, nv:context, nichevlabs, sheriff. Generalist who likes to ship.

Context engineering for AI agents (just shipped nv:context, built on 200+ research sources). Also: multi-agent orchestration patterns like Magentic-One, and agent eval frameworks.

Just launched selectools v0.20.1 (multi-agent Python framework) and nv:context (context engineering Claude Code skill). Building out the nv: collection: nv-dev, nv-ops, nv-design next.

AI agent framework discussions, production LLM engineering, context engineering for Claude Code, open source contributions to selectools or nv:context. DM if you're shipping with agents.