app/features.md Codex Docs, 2026-03-03 00:35 UTC → 2026-03-31 06:35 UTC

14session in a specific directory.14session in a specific directory.

15 15 

16If you work in a single repository with two or more apps or packages, split16If you work in a single repository with two or more apps or packages, split

17distinct projects into separate app projects so the [sandbox](https://developers.openai.com/codex/security)17distinct projects into separate app projects so the [sandbox](https://developers.openai.com/codex/agent-approvals-security)

18only includes the files for that project.18only includes the files for that project.

19 19 

20![Codex app showing multiple projects in the sidebar and threads in the main pane](/images/codex/app/multitask-light.webp)20![Codex app showing multiple projects in the sidebar and threads in the main pane](/images/codex/app/multitask-light.webp)

85pressing <kbd>Cmd</kbd>+<kbd>J</kbd>.85pressing <kbd>Cmd</kbd>+<kbd>J</kbd>.

86 86 

87Use the terminal to validate changes, run scripts, and perform Git operations87Use the terminal to validate changes, run scripts, and perform Git operations

88without leaving the app.88without leaving the app. Codex can also read the current terminal output, so

89it can check the status of a running development server or refer back to a

90failed build while it works with you.

89 91 

90Common tasks include:92Common tasks include:

91 93 

101 103 

102![Integrated terminal drawer open beneath a Codex thread](/images/codex/app/integrated-terminal-light.webp)104![Integrated terminal drawer open beneath a Codex thread](/images/codex/app/integrated-terminal-light.webp)

103 105 

106## Native Windows sandbox

107 

108On Windows, Codex can run natively in PowerShell with a native Windows sandbox

109instead of requiring WSL or a virtual machine. This lets you stay in

110Windows-native workflows while keeping bounded permissions in place.

111 

112[Learn more about Windows setup and sandboxing](https://developers.openai.com/codex/app/windows).

113 

114![Codex app Windows sandbox setup prompt above the message composer](/images/codex/windows/windows-sandbox-setup.webp)

115 

104## Voice dictation116## Voice dictation

105 117 

106Use your voice to prompt Codex. Hold <kbd>Ctrl</kbd>+<kbd>M</kbd> while the composer is visible and start talking. Your voice will be transcribed. Edit the transcribed prompt or hit send to have Codex start work.118Use your voice to prompt Codex. Hold <kbd>Ctrl</kbd>+<kbd>M</kbd> while the composer is visible and start talking. Your voice will be transcribed. Edit the transcribed prompt or hit send to have Codex start work.

152opening separate projects or using worktrees rather than asking Codex to roam164opening separate projects or using worktrees rather than asking Codex to roam

153outside the project root.165outside the project root.

154 166 

155For details on how Codex handles sandboxing, check out the [security documentation](https://developers.openai.com/codex/security).167For a high-level overview, see [Sandboxing](https://developers.openai.com/codex/concepts/sandboxing). For

168configuration details, see the

169[agent approvals & security documentation](https://developers.openai.com/codex/agent-approvals-security).

156 170 

157## MCP support171## MCP support

158 172 

165 179 

166Codex ships with a first-party web search tool. For local tasks in the Codex IDE Extension, Codex180Codex ships with a first-party web search tool. For local tasks in the Codex IDE Extension, Codex

167enables web search by default and serves results from a web search cache. If you configure your181enables web search by default and serves results from a web search cache. If you configure your

168sandbox for [full access](https://developers.openai.com/codex/security), web search defaults to live results. See182sandbox for [full access](https://developers.openai.com/codex/agent-approvals-security), web search defaults to live results. See

169[Config basics](https://developers.openai.com/codex/config-basic) to disable web search or switch to live results that fetch the183[Config basics](https://developers.openai.com/codex/config-basic) to disable web search or switch to live results that fetch the

170most recent data.184most recent data.

171 185