OpenAI ships Docs MCP for search-and-read from coding agents
OpenAI hosts a public streamable-HTTP MCP at https://developers.openai.com/mcp so Codex, Cursor, Claude Code, and Copilot Agent can search and read OpenAI developer docs in-session—docs-only, no API calls on your behalf. Add it with codex mcp add, Cursor’s mcp.json, or claude mcp add --transport http.