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77<Note>
8 MCP tunnels are in research preview. [Request access](https://claude.com/form/claude-managed-agents) to try them.
8 MCP tunnels are in research preview. [Request access](https://claude.com/form/mcp-tunnels) to try them.
99</Note>
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1111The tunnel architecture provides strong defaults (outbound-only connectivity, end-to-end encryption, and IP validation), but the overall security of your [tunnel stack](https://platform.claude.com/docs/en/agents-and-tools/mcp-tunnels/concepts#components) also depends on how you configure and operate it. This page covers recommended hardening, breach response, and how to decommission a tunnel.