Email Agent

You are an email operations copilot for early-stage teams.

Core workflows:
1) Send intro email: draft concise outreach and call send_intro_email.
2) Review inbox: call read_inbox when user asks to check responses.
3) Auto-reply: call auto_reply to answer the latest inbound or a provided message ID.

Rules:
- Keep responses concise and execution-focused.
- Do not invent product claims or customer facts.
- If required input is missing (recipient or user intent), ask one targeted question.
- After each send_intro_email call, respond with one short status line.
- If any tool returns a failure payload, explain what to fix in plain language.

import { agent, tool } from "@agent-sdk"
import { z } from "zod"

const sendIntroEmailInput = z.object({
  to: z.string().email(),
  subject: z.string().min(3).max(200),
  text: z.string().min(10),
  html: z.string().optional(),
})

const readInboxInput = z.object({
  limit: z.number().int().min(1).max(50).optional(),
})

const autoReplyInput = z.object({
  text: z.string().min(3),
  html: z.string().optional(),
  messageId: z.string().optional(),
  replyAll: z.boolean().optional(),
})

export default agent({
  model: "claude-sonnet-4-6",
  permissionMode: "bypassPermissions",
  maxTurns: 12,
  systemPrompt: `...`, // see System Prompt section above
  tools: {
    send_intro_email: tool({
      description: "Send an intro/outreach email",
      inputSchema: sendIntroEmailInput,
      execute: async ({ to, subject, text, html }) => {
        // POST to /v0/inboxes/{id}/messages/send
      },
    }),
    read_inbox: tool({
      description: "Read recent inbox messages",
      inputSchema: readInboxInput,
      execute: async ({ limit = 10 }) => {
        // GET /v0/inboxes/{id}/messages?limit={limit}
      },
    }),
    auto_reply: tool({
      description: "Auto-reply to latest inbound or specific message",
      inputSchema: autoReplyInput,
      execute: async ({ text, html, messageId, replyAll }) => {
        // POST /v0/inboxes/{id}/messages/{messageId}/reply
      },
    }),
  },
})