Use when the user wants to customize Shelley by injecting behavior at lifecycle events. It documents Shelley's hooks.
Use when the user asks for a diagram, sketch, flowchart, architecture diagram, sequence diagram, mind map, or other visual explanation. Renders hand-drawn-style diagrams from Excalidraw JSON via the output_iframe tool.
Use to discover external services and APIs available on this exe.dev VM via network-edge-injected credentials and to discover VM metadata like owner email, VM tags, and default port.
Use when the user needs Node.js or npm installed, or is running a JS framework dev server (Next.js, Vite, webpack, etc.) on an exe.dev VM โ especially if the browser logs 'WebSocket ... failed', or the dev server complains about cross-origin requests, allowedDevOrigins, or allowedHosts.
Use when the user references a previous conversation, asks you to continue earlier work, or you need to look up what was discussed before.
Use when a user requests a task to be done later or on a schedule.