AI cursor assistant for macOS, Windows, Linux. Hold a hotkey, ask a question about what's on your screen, get an instant answer. Vision-capable AI overlay with OpenRouter, Anthropic, OpenAI, Gemini. Local-first, BYO key, no telemetry.
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.