Every kind of cell
A cell is the unit of work. These are the ones every grid has; your own install adds thousands more, synthesized from its adapters, actions, MCP servers, connected vendors and model providers.
Compute cells
The ones that do something to data — run code, branch, call an endpoint, reshape an array, match a pattern, hash a value. Each has its own page below.
Interface cells
Sliders, toggles, selects, charts, tables, colour pickers. They hold a value you set by hand and pass it on, so a grid can have a control panel rather than a wall of literals.
Ecosystem cells
Anything your install can already do: <system>.<function> for any adapter, action:<id> for any action, mcp:<server>.<tool> for any hosted MCP tool, integration:<provider>.<operation> for any connected vendor, and llm for any model provider. These are synthesized on demand — a capability added today is a cell today.