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Claude Upgrades Privacy with Tunnels and Sandboxes

Anthropic's Claude Managed Agents now offer two new security features, giving users more control over sensitive data.

By Serhat Kalender·Editor-in-Chief·May 19, 2026·4 min read0
Updated May 20, 2026
Claude Upgrades Privacy with Tunnels and Sandboxes
Image source: 9to5Mac

Anthropic, a trailblazer in AI technology, is doubling down on security and privacy with two innovative features for their Claude Managed Agents: MCP tunnels and self-hosted sandboxes. These updates are designed to give users more control and enhance protection for sensitive data, addressing a growing demand for privacy in AI applications.

Meet MCP Tunnels

So, what exactly are MCP tunnels? At their core, they allow Claude Managed Agents to operate within a private network environment. This means that services can be routed securely without any exposure to the public internet. Imagine a scenario where your company’s internal databases, private APIs, and knowledge bases are accessible by your AI agents in a manner that’s completely shielded from the outside world. Every single piece of data transmitted through these tunnels is encrypted from end to end. The system requires only a single outbound connection, eliminating the need for inbound firewall rules, which simplifies the network setup and reduces potential vulnerabilities.

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Currently, MCP tunnels are available in a limited research preview. Companies interested in leveraging this feature will need to request access, but for those prioritizing data security, this could indeed be a transformative development. Consider a financial institution that needs to ensure customer data remains impenetrable while still utilizing AI for data analysis. MCP tunnels would allow them to maintain this security without compromising on their AI functionalities.

Self-Hosted Sandboxes: You Call the Shots

Next up is the self-hosted sandbox, which gives users autonomy over how Claude Managed Agents interact with sensitive data. This feature allows businesses to keep sensitive files and services on their own infrastructure. Whether you prefer to manage these environments yourself or utilize a managed sandbox provider, the choice is yours. Anthropic manages the orchestration and error recovery aspects, allowing the actual tool execution to occur within your designated environment.

Currently in public beta, these self-hosted sandboxes give users the flexibility to choose their own sandbox clients or collaborate with partners like Cloudflare, Daytona, Modal, and Vercel. For instance, a healthcare provider could use these sandboxes to ensure that patient data is processed in compliance with stringent health data regulations, using their own secure infrastructure while still benefiting from AI insights.

The European Angle

Why is this release particularly significant now? The European Union, with its stringent data protection regulations such as GDPR, presents a complex landscape for AI deployment. Many European companies find it challenging to balance compliance with the benefits of AI technology. Anthropic’s new privacy controls aim to alleviate these challenges, providing a solution that aligns with the EU's regulatory framework.

For example, a German tech company can now deploy AI agents without worrying about breaching GDPR requirements. By utilizing MCP tunnels and self-hosted sandboxes, they can ensure that data processing stays within legally compliant boundaries, all while leveraging AI to drive innovation and efficiency.

What This Means for Your Business

For businesses, particularly those operating in Europe or handling sensitive information, these updates could significantly simplify data protection compliance. The potential to expand AI capabilities without compromising on security is substantial. If you’re considering deploying AI agents, these features might just provide the security assurances you’ve been waiting for.

Think about it: if your organization deals with sensitive customer information, such as a banking institution, the ability to securely manage AI-driven processes internally could be revolutionary. With MCP tunnels, you can apply for the research preview to explore how this technology can fit into your security strategy.

Still Some Blurry Spots

While these developments are promising, they don't come without questions. Scalability is one area of uncertainty. How these features will integrate with existing enterprise systems remains to be seen. Additionally, Anthropic's long-term strategy for these offerings beyond their current preview and beta stages has not been fully outlined. Businesses will need to keep an eye on how these features evolve and how Anthropic plans to support them in the future.

Why It's a Big Deal

"Anthropic Bolsters Claude with Privacy Enhancements" — this is more than just a headline; it reflects a significant step forward in AI technology. As AI becomes increasingly ingrained in business operations, ensuring data privacy and control is crucial. Anthropic's latest features aim to set a new standard for AI security in the enterprise world, addressing a critical need for secure and private AI deployments.

These developments highlight the broader trend in the tech industry towards enhanced privacy and security measures, especially in AI. Companies that adopt these technologies can stay ahead of regulatory requirements and maintain the trust of their customers, which is invaluable in today’s digital landscape. As we move forward, the integration of AI with robust privacy measures will likely become not just a competitive advantage, but a business necessity.

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