May 19, 2026 · OpenAIFeature
Secure MCP Tunnel released for enterprise, connecting to private MCP servers
Released Secure MCP Tunnel for enterprise customers. Secure MCP Tunnel lets supported OpenAI products including ChatGPT web, Codex, Responses API, and AgentKit connect to private or on-prem MCP servers through a customer-hosted tunnel-client without exposing those servers to the public internet.