Key Highlights
- ✓Persistent stateful agents via Durable Objects
- ✓Remote MCP servers — no local hosting needed
- ✓Workers AI with frontier models (Kimi K2.5, 256K context)
- ✓Email Sending private beta — agents can send email natively
- ✓Full agentic runtime: state + scheduling + real-time + AI
What it is
Cloudflare Agents are persistent, stateful execution environments for AI workloads, built on Durable Objects. Unlike stateless serverless functions that spin up and die, these agents maintain state across requests — they remember context, schedule tasks, and communicate in real-time.
The platform includes built-in support for AI model calls (including Kimi K2.5 with 256K context), MCP servers (remote, no local hosting needed), workflows, scheduling, and real-time WebSocket communication. It's a full agentic runtime, not just an inference endpoint.
Why it matters
Cloudflare is positioning against AWS Lambda and Google Cloud Functions for AI-native applications. The pitch: why string together Lambda + DynamoDB + API Gateway + SQS when Cloudflare gives you persistent state, scheduling, real-time comms, and AI inference in one platform?
The Email Sending service (currently in private beta) is the proof of concept. Developer @charl_dot_dev built a complete email service — inbox with AI analysis, assistant to query and visualize mail, scaling to millions of addresses — entirely on Cloudflare Email + Agents. No external email provider. No separate database. No queue service.
Key capabilities
Persistent state: Agents maintain memory across requests via Durable Objects. Your AI agent remembers the conversation, the user's preferences, and the task it's working on — without you managing a database.
Remote MCP servers: Deploy Model Context Protocol servers on Cloudflare's edge. Any AI agent can connect over the internet without local hosting. This is the infrastructure layer for the MCP ecosystem.
Frontier model access: Workers AI now runs large open-source models including Kimi K2.5 (256K context, multi-turn tool calling, vision). Run inference on the same platform that hosts your agent logic.
Email as I/O: The new Email Sending API (private beta) lets agents send transactional email directly from Workers. Email becomes an input/output channel for agentic workflows — no Resend, no SendGrid, no separate email service.
The verdict
Cloudflare Agents is the most opinionated serverless AI platform available today. It makes strong choices — Durable Objects for state, Workers for compute, R2 for storage — and the result is a coherent developer experience that AWS can't match with its 200+ services.
The trade-off is lock-in. If you build on Cloudflare Agents, you're building on Cloudflare. But if the per-seat SaaS model is dying and AI agents are the future, the platform that makes agent development easiest will capture the next generation of applications.
Watch the Email Sending beta. If Cloudflare can replace Resend and SendGrid for agentic email, the platform consolidation thesis is real.