Vercel AI SDK

import { inference, type AgentContext } from "@trytilde/sdk";
import {
  convertToAiSdkMessages,
  tildeAiSdk,
  tildeCallOptions,
} from "@trytilde/sdk-vercel-ai-node";
import { createOpenAI } from "@ai-sdk/openai";
import { ToolLoopAgent, convertToModelMessages, stepCountIs } from "ai";
import { bundledTools } from "./bundled-tools.js";

// Model calls go through Tilde's inference gateway.
const openai = createOpenAI(inference("default"));

// At module scope, so `tilde deploy` registers its instructions.
export const agent = new ToolLoopAgent({
  id: "support-agent",
  instructions: "You are a support assistant. Reply with the channel tools.",
  model: openai.responses("gpt-4o-mini"),
  stopWhen: stepCountIs(8),
  experimental_telemetry: { isEnabled: true, functionId: "support-agent" },
  ...tildeCallOptions,
});

export async function respond(ctx: AgentContext) {
  const history = await ctx.message.history();
  const messages = await convertToAiSdkMessages({
    messages: history.items,
    context: ctx,
  });
  await agent.generate({
    messages: await convertToModelMessages(messages),
    ...tildeAiSdk(ctx, { bundled: bundledTools }),
  });
}