Returns the current project name, active screen, view mode (Designer vs Blocks), IDE type (AndroidBuilder, App Inventor, Niotron, Kodular…), and page URL. Use this first to understand the context before calling other tools.

Returns the full component hierarchy from the Designer view as a tree of {name, type, uid, children}. Requires the IDE to be in Designer view.

Reads all visible property values for a component from the Properties sidebar panel. You must click the component in the Designer first to populate the panel.

Updates a property of a component. Uses 3 strategies in order: (1) GWT BlocklyPanel_setComponentProperty API, (2) top-frame API (iframe-hosted IDEs), (3) DOM input field in the Properties sidebar. Requires Designer view.

Injects Blockly XML blocks into the Blocks workspace. Validates the XML before injection to prevent silent failures. Requires the IDE to be in Blocks view.

Exports the entire current Blockly workspace as a pretty-printed XML string. Use this to read existing blocks or back them up. Requires Blocks view.

Clears ALL blocks from the current Blockly workspace. This action cannot be undone via MCP. Requires Blocks view.

Switches the active screen in the IDE. Uses the GWT select element or tab bar to navigate. Call list_screens first to see available screen names.

Returns all screens available in the current project as an array of strings.

Clicks an arbitrary element on the IDE page using a CSS selector. Useful as a last-resort fallback for IDE actions not covered by other tools.