7 Essential Insights into Claude Managed Agents on Cloudflare

Cloudflare and Anthropic have joined forces to bring Claude Managed Agents into Cloudflare's ecosystem, giving developers unprecedented control over agent sandboxes, secure connections to private services, and deep observability. This integration empowers you to run agent loops on the Claude Platform while leveraging Cloudflare for code execution, secure connections, and custom tool calls. In just minutes, you can deploy a default template that unlocks a host of powerful features. Below, we break down everything you need to know.

1. Enhanced Security Through Proxy Control

Agent traffic is routed through customizable proxies, allowing you to inject credentials securely, prevent data exfiltration, and gain detailed insights into how agents interact with external services. This means you can enforce strict security policies without compromising agent functionality. The proxy layer acts as a gatekeeper, logging all outbound requests and blocking unauthorized actions. For teams handling sensitive data or complying with regulatory requirements, this feature is a game-changer. You can tailor proxy rules to your exact needs, ensuring that every agent operation remains within safe boundaries.

2. Sandbox Control and Observability at Your Fingertips

Gain granular visibility into sandbox performance with detailed metrics and logs. Need to troubleshoot an agent's behavior? SSH directly into running machines for real-time debugging. You can also customize sandbox images to preinstall dependencies, libraries, or tools that your agents require. This level of control reduces friction during development and production, as you can replicate environments consistently. Combined with full observability, you can monitor resource usage, detect bottlenecks, and optimize agent workflows. Whether you're running a handful of agents or scaling to thousands, this transparency is crucial for maintaining reliability.

3. Lightweight Sandboxes for Massive Scale

Not all code execution needs a full microVM. The integration supports both traditional microVMs and lightweight isolates, letting you choose the right balance between isolation and speed. Isolates boot in milliseconds, making them ideal for running untrusted code at massive scale while minimizing infrastructure costs. You can seamlessly switch between sandbox types depending on the task—use microVMs for stateful operations and isolates for stateless, high-throughput jobs. This flexibility allows you to handle millions of agent invocations without breaking the bank on compute resources.

4. Private Service Connectivity Without Internet Exposure

Connect your agents to internal databases, APIs, or legacy services—all without exposing them to the public internet. The integration creates secure tunnels that route agent requests to private endpoints, ensuring your infrastructure remains hidden from potential threats. This is especially valuable for enterprises that need to integrate Claude agents with on-premises systems or cloud VPCs. You get the best of both worlds: agents can access critical data while your security team maintains strict network controls. No more wrestling with VPNs or complex firewall rules—just simple, secure connectivity out of the box.

5. Browser Control and Full Audit Trails

Every agent's browser session is recorded and observable, giving you a complete audit trail of actions. With session recordings and human-in-the-loop flows, you can review exactly what agents saw and did. This is essential for debugging, compliance, and trust—especially when agents interact with web applications on behalf of users. The browser runtime is fully programmable, allowing you to inject scripts, intercept requests, or simulate user interactions. For teams building autonomous web agents, this transparency ensures you can validate behavior before going to production.

6. Email Capabilities for Every Agent

Each Claude agent can be assigned its own email address, enabling it to send and receive emails autonomously. This opens up a world of use cases: automated customer support replies, workflow notifications, or even multi-agent coordination via email threads. The integration handles SMTP configuration behind the scenes, so you don't need to manage mail servers. You simply specify the email identity and let agents handle the rest. Combined with the security proxy, all email traffic is logged and controlled, ensuring no unauthorized data leaks.

7. Custom Tools Without Infrastructure Overhead

Extend agents with custom tools by writing simple functions and deploying them instantly. No need to set up separate servers or manage API gateways. The integration automatically provisions the required compute and handles scaling. You can create tools for data transformation, external API calls, file processing, or anything else your agents need. This eliminates the bottleneck of infrastructure management, letting you focus on agent logic. The custom tools are also observable via the sandbox metrics, so you can monitor execution times and error rates.

By deploying the default template, you get all these capabilities out of the box. And if you need more, customization is straightforward. This collaboration between Cloudflare and Anthropic represents a significant step toward making cloud infrastructure simpler, more secure, and more programmable for agents. Whether you're building a small prototype or a large-scale agent fleet, this integration gives you the control and visibility you need to succeed.