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AnthropicClaude API
MCP tunnels is now available as a research preview, so you can connect to MCP servers in your private network
AI summary
Written by AI from the official notes. Check them for exact details.MCP tunnels are now available for private network connections, along with new features for Claude Managed Agents.
- MCP tunnels enable private network connections to MCP servers.
- Self-hosted sandboxes for Claude Managed Agents are now available.
- Update MCP server and tool configurations during active sessions.
- Large outputs from MCP tools are automatically saved to files.
Why it matters: Users of Claude Managed Agents and MCP servers should explore these new features for enhanced functionality.
Full release notes4 changes
- MCP tunnels is now available as a research preview, so you can connect to MCP servers in your private network.
- Self-hosted sandboxes are now available for Claude Managed Agents, as an alternative to running tool execution in Anthropic's infrastructure. See Self-hosted sandboxes.
- With Claude Managed Agents, you can now update the agent's MCP server and tool configurations associated with an active session.
- With Claude Managed Agents, large outputs from
agent_toolsetand MCP tools exceeding 100K characters (about 25K tokens) are now automatically spilled to a file in the sandbox. The model receives a truncated preview with the file path and can read the full content from there.