crystalcode

A production coding agent for local repositories. It runs a streaming model-and-tool loop in the terminal, with Plan/Work modes, risk-aware approval, automatic context compaction, and data under ~/.crystal.

Crystal Code external tool set that gives the agent live web search and page fetch. Search via Parallel or Exa MCP, fetch any HTTP page as text, Markdown, or HTML, all with model-controlled response sizes.

Crystal Code plugin for controlling one already-running VirtualBox VM. Provides status and Guest Additions detecti on, display capture, text/key/pointer input (click, drag, scroll), and guest process execution — all scoped to a singl e VM UUID configured by the host, never chosen by the model.