PRD-Led Context Engineering — Memory as Infrastructure. An ontology layer for product teams building products that solve real problems — with AI agents that remember. Gated PRD, typed IDs, markdown knowledge graph, Claude Code skills & hooks.

Modular Context | Karpathy LLM Knowledge Base + Gmail & G-Cal — multi-account MCP server for Claude Code, encrypted local-first

Free AI presentation maker & free AI poster maker for Codex, Claude Code, Cursor, and more—create editable slides, decks, posters, and social graphics with StarryKit.

Claude Code WhatsApp channel plugin — run AI directly from WhatsApp, voice transcription, remote tool approval, access control. No API keys, no Docker, just a linked device.

Spec-driven development and context engineering for Claude Code, Cursor, Codex, and GitHub Copilot — backed by project context in Git.

Agents, Skills and Commands for automating Keynote, Notes, Reminders, Numbers and more using AppleScript and PyXA (JXA too).