Codex MCP server command deprecated · OpenAI · Codex changelog, August 24, 2026
OpenAI deprecates the codex mcp-server command
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The whole entry is three sentences: "The codex mcp-server command is now deprecated. Use the Codex app server instead. To use Codex from Claude Code, use the Codex plugin for Claude Code." No removal date is given.
Why it matters: Anything that bridges Codex into another harness over MCP now has a migration on its calendar, and the sanctioned route for driving Codex from Claude Code is a vendor plugin rather than the open protocol surface. The missing removal date leaves the timing uncertain, but factory plumbing built on this command now carries migration work.