/** * Hello Tool - Minimal custom tool example */ import { Type } from "@earendil-works/pi-ai"; import { defineTool, type ExtensionAPI } from "@earendil-works/pi-coding-agent"; const helloTool = defineTool({ name: "hello", label: "Hello", description: "A simple greeting tool", parameters: Type.Object({ name: Type.String({ description: "Name to greet" }), }), async execute(_toolCallId, params, _signal, _onUpdate, _ctx) { return { content: [{ type: "text", text: `Hello, ${params.name}!` }], details: { greeted: params.name }, }; }, }); export default function (pi: ExtensionAPI) { pi.registerTool(helloTool); }