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OpenAI Codex P1 · DEPRECATED_API_SURFACE

Codex MCP server command deprecated; migrate to Codex app server or Claude Code plugin.

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BEFORE CAPTURE
#36811 Honor per-environment login shell policy @copyberry
AFTER CAPTURE
2026-08-24 Codex MCP server command deprecated 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.

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The before-and-after text above shows what was present on the official page at each capture. This summary explains the reviewed change.

VERIFIED CHANGE

Codex MCP server command deprecated; migrate to Codex app server or Claude Code plugin.

OpenAI's Codex changelog (dated 2026-08-24) deprecates the 'codex mcp-server' CLI command, directing users to use the new 'Codex app server' instead. For integration from Claude Code specifically, a dedicated 'Codex plugin for Claude Code' is now the recommended path. This is an explicit API-surface deprecation with two named replacement mechanisms.

Before captured
Aug 24, 2026, 4:59 AM PDT
After captured
Aug 24, 2026, 3:46 PM PDT
Reviewed
Aug 24, 2026, 10:02 PM PDT
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WHY IT MAY MATTER

A new release or deprecation can change feature parity, migration risk, and the next competitive response.

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