Connect to Tilt Agent over MCP

https://tilt.io/mcp/tilt

import { Client } from "@modelcontextprotocol/sdk/client/index.js";
import {
  StreamableHTTPClientTransport,
} from "@modelcontextprotocol/sdk/client/streamableHttp.js";

const client = new Client({
  name: "example-host",
  version: "1.0.0",
});

const transport = new StreamableHTTPClientTransport(
  new URL("https://tilt.io/mcp/tilt"),
  {
    requestInit: {
      headers: {
        Authorization: `Bearer ${await getAccessToken()}`,
      },
    },
  },
);

await client.connect(transport);

type DelegatedRunResult = {
  run: {
    runId: string;
    sessionId: string;
    status: string;
  };
};

const result = await client.callTool({
  name: "delegate_to_agent",
  arguments: {
    message:
      "Create a US nuclear energy Tilt with 25 constituents, " +
      "exposure-proportional weighting, a 10% position cap, " +
      "and quarterly rebalancing.",
    client_time_zone: "America/Toronto",
  },
});

const { run } = result.structuredContent as DelegatedRunResult;
const { runId, sessionId } = run;

type WaitResult = {
  status: string;
  last_event_id?: number;
  new_events?: unknown[];
};

const terminalStatuses = new Set(["succeeded", "failed", "canceled"]);
let afterEventId: number | undefined;

while (true) {
  const result = await client.callTool({
    name: "wait_for_agent_run",
    arguments: {
      run_id: runId,
      ...(afterEventId === undefined
        ? {}
        : { after_event_id: afterEventId }),
      wait_ms: 25_000,
    },
  });

  const snapshot = result.structuredContent as WaitResult;
  afterEventId = snapshot.last_event_id;

  if (terminalStatuses.has(snapshot.status)) {
    if (snapshot.status !== "succeeded") {
      throw new Error(`Tilt run ${snapshot.status}`);
    }
    break;
  }
}

const followUp = await client.callTool({
  name: "delegate_to_agent",
  arguments: {
    session_id: sessionId,
    message:
      "Require companies to have a market capitalization of at least " +
      "$1 billion. Keep the other rules unchanged.",
  },
});

URI: ui://tilt/session.html
MIME type: text/html;profile=mcp-app