@openai/codex

OpenAI Codex CLI & MCP Host by OpenAI

Codex CLI is a coding agent from OpenAI that runs locally on your computer.

Live Registry Versionv0.164.0Previous: v0.164.0-linux-x64Published 2026-10-23

Stability Grade

C+ (65/100)

90-Day Velocity

105 releases

High release cadence

Dependencies

0 direct

NPM manifest

License

Apache-2.0

Verified on NPM

Recommended Exact Pin: npx -y @openai/codex@0.164.0

NPM Registry ->GitHub Repo ->

TL;DR Verdict & Quick Citation Summary (2026-10-24)Source: AgentBreakWatch Live NPM Index

OpenAI Codex CLI & MCP Host (@openai/codex) is currently at v0.164.0 on NPM (published 2026-10-23), with a 90-day stability score of 65/100 (C+) and HIGH schema drift risk across 105 releases in the past 90 days. v0.164.x configures MCP servers in ~/.codex/config.toml under [mcp_servers.<name>] and supports running Codex itself as an MCP server. Production teams should pin npx -y @openai/codex@0.164.0 rather than using unpinned @latest tags.

Breaking Changes & Tool Schema Drift Analysis

v0.164.x configures MCP servers in ~/.codex/config.toml under [mcp_servers.<name>] and supports running Codex itself as an MCP server.

Watched Exports / MCP Tool Signatures:

codex mcpmcp_servers

Before (Deprecated / Unpinned Pattern)

codex --ApprovalMode full-auto "fix tests"

After (Verified v0.164.0 Pattern)

codex --full-auto "fix tests"

Frequently Asked Questions: @openai/codex

What is the latest version of @openai/codex on NPM?

As of 2026-10-24, the latest stable version of @openai/codex (OpenAI Codex CLI & MCP Host by OpenAI) on NPM is v0.164.0, published on 2026-10-23. It has shipped 105 releases in the last 90 days.

Does @openai/codex v0.164.0 have breaking changes or MCP schema drift risk?

@openai/codex currently carries a HIGH schema drift risk rating with a Stability Score of 65/100 (Grade C+). v0.164.x configures MCP servers in ~/.codex/config.toml under [mcp_servers.<name>] and supports running Codex itself as an MCP server.

How do I safely pin @openai/codex in production?

Avoid unpinned @latest tags in production agent configs. Pin the exact verified version using `npx -y @openai/codex@0.164.0` and monitor codex mcp, mcp_servers for parameter or schema changes.

30-Min Registry & Schema Poller