Send Vercel AI SDK 7 traces to taleseal

npm install [email protected] @ai-sdk/[email protected] @opentelemetry/[email protected] @opentelemetry/[email protected] zod

// telemetry.ts — register once at startup
import { OpenTelemetry } from "@ai-sdk/otel";
import { OTLPTraceExporter } from "@opentelemetry/exporter-trace-otlp-proto";
import { BatchSpanProcessor, NodeTracerProvider } from "@opentelemetry/sdk-trace-node";
import { registerTelemetry } from "ai";

export const provider = new NodeTracerProvider({
  spanProcessors: [
    new BatchSpanProcessor(
      new OTLPTraceExporter({
        url: "https://taleseal.com/v1/traces",
        headers: { "x-api-key": process.env.TALESEAL_API_KEY ?? "" },
      }),
    ),
  ],
});
provider.register();

registerTelemetry(new OpenTelemetry({ tracer: provider.getTracer("my-agent") }));

// test-taleseal.ts — a scripted two-step tool run on a mock model
import { generateText, stepCountIs, tool } from "ai";
import { MockLanguageModelV4 } from "ai/test";
import { z } from "zod";
import { provider } from "./telemetry"; // the file from the Configure step

const usage = {
  inputTokens: { total: 20, noCache: 20, cacheRead: undefined, cacheWrite: undefined },
  outputTokens: { total: 10, text: 10, reasoning: undefined },
};

const model = new MockLanguageModelV4({
  // an array scripts consecutive calls: first a tool call, then the final answer
  doGenerate: [
    {
      content: [{ type: "tool-call", toolCallId: "call-1", toolName: "getWeather", input: '{"city":"Sheffield"}' }],
      finishReason: { unified: "tool-calls", raw: undefined },
      usage,
      warnings: [],
    },
    {
      content: [{ type: "text", text: "Dry and bright in Sheffield." }],
      finishReason: { unified: "stop", raw: undefined },
      usage,
      warnings: [],
    },
  ],
});

await generateText({
  model,
  prompt: "What is the weather in Sheffield?",
  tools: {
    getWeather: tool({
      inputSchema: z.object({ city: z.string() }),
      execute: async ({ city }) => `Dry and bright in ${city}.`,
    }),
  },
  stopWhen: stepCountIs(3),
  telemetry: { functionId: "my-agent" },
});

// a short-lived script must flush, or the batch never leaves the process
await provider.forceFlush();

curl -s https://taleseal.com/v1/otlp/status -H "Authorization: Bearer $TALESEAL_API_KEY"

{
  "runs": [
    {
      "traceId": "4bf92f3577b34da6a3ce929d0e0e4736",
      "firstSeen": "2026-07-13T14:02:01Z",
      "lastSeen": "2026-07-13T14:02:05Z",
      "spans": 6,
      "inputTokens": 40,
      "outputTokens": 20,
      "errored": false,
      "state": "collecting",
      "title": null,
      "draftUrl": null
    }
  ],
  "generatedAt": "2026-07-13T14:02:11Z"
}