Agentic Inbox lets you send, receive, and manage emails through a modern web interface -- all powered by your own Cloudflare account. Incoming emails arrive via Cloudflare Email Routing, each mailbox is isolated in its own Durable Object with a SQLite database, and attachments are stored in R2.
An AI-powered Email Agent can read your inbox, search conversations, and draft replies -- built with the Cloudflare Agents SDK and Workers AI.
Read the blog post to learn more about Cloudflare Email Service and how to use it with the Agents SDK, MCP, and from the Wrangler CLI: Email for Agents.
Click the button above to deploy to your Cloudflare account. The deploy flow will automatically provision R2, Durable Objects, and Workers AI. You'll be prompted for:
- DOMAINS -- your domain with Email Routing enabled (e.g.
example.com)
- Set up Email Routing -- In the Cloudflare dashboard, go to your domain > Email Routing and create a catch-all rule that forwards to this Worker
- Enable Email Service -- The worker needs the
send_emailbinding to send outbound emails. See Email Service docs - Create a mailbox -- Visit your deployed app and create a mailbox for any address on your domain (e.g.
hello@example.com) - Configure Cloudflare Access -- Enable one-click Cloudflare Access on your Worker under Settings > Domains & Routes. The modal will show your
POLICY_AUDandTEAM_DOMAINvalues. You must set these are secrets for your Worker.
- Full email client — Send and receive emails via Cloudflare Email Routing with a rich text composer, reply/forward threading, folder organization, search, and attachments
- Per-mailbox isolation — Each mailbox runs in its own Durable Object with SQLite storage and R2 for attachments
- Built-in AI agent — Side panel with 9 email tools for reading, searching, drafting, and sending
- Auto-draft on new email — Agent automatically reads inbound emails and generates draft replies, always requiring explicit confirmation before sending
- Configurable and persistent — Custom system prompts per mailbox, persistent chat history, streaming markdown responses, and tool call visibility
- Frontend: React 19, React Router v7, Tailwind CSS, Zustand, TipTap,
@cloudflare/kumo - Backend: Hono, Cloudflare Workers, Durable Objects (SQLite), R2, Email Routing
- AI Agent: Cloudflare Agents SDK (
AIChatAgent), AI SDK v6, Workers AI (@cf/moonshotai/kimi-k2.5),react-markdown+remark-gfm - Auth: Cloudflare Access JWT validation (required outside local development)
npm install
npm run dev- Set your domain in
wrangler.jsonc - Create an R2 bucket named
agentic-inbox:wrangler r2 bucket create agentic-inbox
npm run deploy- Cloudflare account with a domain
- Email Routing enabled for receiving
- Email Service enabled for sending
- Workers AI enabled (for the agent)
- Cloudflare Access configured for deployed/shared environments (required in production)
Any user who passes the shared Cloudflare Access policy can access all mailboxes in this app by design. This includes the MCP server at /mcp -- external AI tools (Claude Code, Cursor, etc.) connected via MCP can operate on any mailbox by passing a mailboxId parameter. There is no per-mailbox authorization; the Cloudflare Access policy is the single trust boundary.
┌──────────────┐ ┌──────────────────┐ ┌─────────────────┐
│ Browser │────>│ Hono Worker │────>│ MailboxDO │
│ React SPA │ │ (API + SSR) │ │ (SQLite + R2) │
│ Agent Panel │ │ │ └─────────────────┘
└──────┬───────┘ │ /agents/* ──────┼────>┌─────────────────┐
│ │ │ │ EmailAgent DO │
│ WebSocket │ │ │ (AIChatAgent) │
└─────────────┤ │ │ 9 email tools │
│ │────>│ Workers AI │
└──────────────────┘ └─────────────────┘
Apache 2.0 -- see LICENSE.