- 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_toolset and 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.