5h ago

OpenAI releases secure tunnels to connect private Model Context Protocol servers without modifying inbound firewalls

Outbound-only HTTPS tunnels secure the connection to OpenAI.

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Original post
jason#929@JXNLCOOPOpenAI DevelopersOpenAI Developers@OPENAIDEVS

Private MCP servers 🤝 OpenAI products Your team can keep MCP servers inside your network while ChatGPT, Codex, and the Responses API connect through outbound-only HTTPS. 🔗 https://developers.openai.com/api/docs/guides/secure-mcp-tunnels

11:29 AM · May 27, 2026 View on X
QUOTE POSTGreg Brockman#19Greg Brockman@GDB

bring-your-own MCP servers:

OpenAI DevelopersOpenAI Developers@OpenAIDevs

Private MCP servers 🤝 OpenAI products Your team can keep MCP servers inside your network while ChatGPT, Codex, and the Responses API connect through outbound-only HTTPS. 🔗 https://developers.openai.com/api/docs/guides/secure-mcp-tunnels

6:29 PM · May 27, 2026 · 191.2K Views
8:27 PM · May 27, 2026 · 63.4K Views
QUOTE POSTSteven Heidel#1026Steven Heidel@STEVENHEIDEL

securely connect Responses API to your local MCP servers

OpenAI DevelopersOpenAI Developers@OpenAIDevs

Private MCP servers 🤝 OpenAI products Your team can keep MCP servers inside your network while ChatGPT, Codex, and the Responses API connect through outbound-only HTTPS. 🔗 https://developers.openai.com/api/docs/guides/secure-mcp-tunnels

6:29 PM · May 27, 2026 · 191.2K Views
8:35 PM · May 27, 2026 · 733 Views