Use when the user wants to change Shelley itself — its code, UI, tools, or behavior beyond what hooks allow — or asks to rebase/upgrade a customized Shelley build.
Use when a task needs an external service credential (API key, database, OAuth service) this exe.dev VM doesn't have attached. Emits a clickable exe.dev connect link the user clicks to grant it. NEVER ask the user to paste a secret into chat.
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 — especially if the browser logs 'WebSocket ... failed', or the dev server complains about cross-origin requests,…
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.