Releases·Tool Release
OpenAI ships Codex 0.151.0 with MCP tool grace period and extension hooks
OpenAI released Codex 0.151.0 on GitHub on 2026-08-29, following alpha builds 0.151.0-alpha.6 and alpha.7.2. The stable release adds a configurable grace period for discovering tools from optional MCP servers, lets extensions inspect or replace MCP tool results before they reach the model, and fixes sandbox and permission bugs. It matters to developers running Codex CLI with MCP servers and plugin catalogs.
22 engagement4 sourcesSat, Aug 29, 2026, 12:00 AM
Developments
OpenAI released Codex 0.152.0-alpha.4 on 2026-08-30, a day after the stable 0.151.0 release.
Sun, Aug 30, 2026, 01:56 PM
Stable 0.151.0 released Aug 29 after alpha.6 and alpha.7.2, adding MCP grace period, extension hooks, and sandbox fixes.
Sat, Aug 29, 2026, 09:46 PM
AI Overview
- Adds a configurable grace period for discovering tools from optional MCP servers (#41199)
- Extensions can now inspect or replace MCP tool results before they reach the model (#41202)
- Plugin catalogs combine per-repository configuration and report invalid project marketplaces without hiding valid plugins (#41208)
- Bug fixes preserve restored permission profiles across TUI turns and prevent /cd from weakening sandbox restrictions (#41192)
- Fixes keep tool availability and reasoning effort correct when switching or falling back to another model (#41195)
- Follow-up alpha 0.152.0-alpha.4 released 2026-08-30, one day after the stable 0.151.0 build
Related
Releases·Tool Release
OpenAI ships codex 0.154.0 on GitHub with GPT-6-Astra support
OpenAI released Codex CLI 0.154.0, adding GPT-6-Astra to the model picker and Amazon Bedrock catalogs, experimental git worktree support, inline mid-task questions, and a shared background Codex server for Windows sessions. A follow-up alpha, 0.155.0-alpha.1, shipped the next day.
OpenAI released Codex CLI 0.154.0, adding GPT-6-Astra to the model picker and Amazon Bedrock catalogs, experimental git worktree support, inline mid-task questions, and a shared background Codex server for Windows sessions. A follow-up alpha, 0.155.0-alpha.1, shipped the next day.
Updated Thu, Sep 10, 2026, 07:51 PM — 0.155.0-alpha.1 released on GitHub on 2026-09-10
04013 engagement4 sourcesgithubWed, Sep 9, 2026, 12:00 AM
Releases·Tool Release
OpenAI releases Codex 0.146.0-alpha.10.1
OpenAI released version 0.146.0-alpha.10.1 of Codex, its AI code generation model, on July 25, 2026. The release is a minor alpha update, indicating ongoing development of the tool.
OpenAI released version 0.146.0-alpha.10.1 of Codex, its AI code generation model, on July 25, 2026. The release is a minor alpha update, indicating ongoing development of the tool.
2 engagement1 sourcegithubSat, Jul 25, 2026, 08:29 PM
Releases·Tool Release
OpenAI releases Codex 0.148.0-alpha.7
OpenAI has released version 0.148.0-alpha.7 of its Codex tool, an AI coding agent. The release is available on GitHub and likely includes improvements to the agent's capabilities.
OpenAI has released version 0.148.0-alpha.7 of its Codex tool, an AI coding agent. The release is available on GitHub and likely includes improvements to the agent's capabilities.
2 engagement1 sourcegithubTue, Aug 11, 2026, 03:29 PM
Releases·Agent Release
OpenAI gives Codex reusable cloud environments that work across devices
At Dev Day, OpenAI announced reusable cloud development environments for Codex, accessible from any device, plus a refreshed Codex CLI with voice control, a new code review experience, Codex Security Cloud, and API updates. The changes make Codex cloud work persistent and configurable rather than isolated per-task sandboxes.
At Dev Day, OpenAI announced reusable cloud development environments for Codex, accessible from any device, plus a refreshed Codex CLI with voice control, a new code review experience, Codex Security Cloud, and API updates. The changes make Codex cloud work persistent and configurable rather than isolated per-task sandboxes.
4.1k engagement2 sourcesrss, xTue, Sep 29, 2026, 05:15 PM