AI Coding Agents

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import { ModboxClient } from "modbox-sdk";
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import { generateAgentCode } from "./your-llm-client";
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const modbox = new ModboxClient({ token: process.env.MODBOX_API_TOKEN });
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async function runAgentSession(userPrompt: string, sessionId: string) {
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  // 1. Provision a fresh sandbox for this agent session
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  const { sandboxId } = await modbox.provisionSandbox({
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    taskId: `agent-${sessionId}`,
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    imageId: process.env.CODE_EXEC_IMAGE_ID, // your code execution image
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    ttlSeconds: 600, // auto-destroy after 10 minutes
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    envVars: {
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      SESSION_ID: sessionId,
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    },
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  });
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  // 2. Wait for it to be ready
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  await modbox.waitForSandbox({
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    taskId: `agent-${sessionId}`,
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    timeout: 30,
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  });
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  const sandbox = await modbox.getSandbox(sandboxId);
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  // 3. Let the LLM generate code
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  const code = await generateAgentCode(userPrompt);
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  // 4. Execute the code inside the isolated sandbox
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  const result = await fetch(`${sandbox.sandboxUrl}/execute`, {
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    method: "POST",
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    headers: { "Content-Type": "application/json" },
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    body: JSON.stringify({ language: "python", code }),
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  });
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  const output = await result.json();
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  // 5. Destroy the sandbox when done (or let TTL handle it)
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  await modbox.destroySandbox({ taskId: `agent-${sessionId}` });
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  return output;
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}