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T

Michael Bolin e0d7ac51d3 fix: policy/*.codexpolicy -> rules/*.rules (#7888 )

We decided that `*.rules` is a more fitting (and concise) file extension
than `*.codexpolicy`, so we are changing the file extension for the
"execpolicy" effort. We are also changing the subfolder of `$CODEX_HOME`
from `policy` to `rules` to match.

This PR updates the in-repo docs and we will update the public docs once
the next CLI release goes out.

Locally, I created `~/.codex/rules/default.rules` with the following
contents:

```
prefix_rule(pattern=["gh", "pr", "view"])
```

And then I asked Codex to run:

```
gh pr view 7888 --json title,body,comments
```

and it was able to!

e0d7ac51d3 · 2025-12-11 14:46:00 -08:00

History

src

fix: policy/*.codexpolicy -> rules/*.rules (#7888 )

2025-12-11 14:46:00 -08:00

templates

Removed experimental "command risk assessment" feature (#7799 )

2025-12-10 09:48:11 -08:00

tests

fix: policy/*.codexpolicy -> rules/*.rules (#7888 )

2025-12-11 14:46:00 -08:00

Cargo.toml

Remove conversation_id and bring back request ID logging (#7830 )

2025-12-10 10:44:12 -08:00

gpt_5_1_prompt.md

refactoring with_escalated_permissions to use SandboxPermissions instead (#7750 )

2025-12-10 17:18:48 +00:00

gpt_5_2_prompt.md

feat: robin (#7882 )

2025-12-11 09:04:08 -08:00

gpt_5_codex_prompt.md

refactoring with_escalated_permissions to use SandboxPermissions instead (#7750 )

2025-12-10 17:18:48 +00:00

gpt-5.1-codex-max_prompt.md

refactoring with_escalated_permissions to use SandboxPermissions instead (#7750 )

2025-12-10 17:18:48 +00:00

prompt.md

Add file reference guidelines to gpt-5 prompt (#3651 )

2025-09-15 08:35:30 -07:00

README.md

docs: align sandbox defaults, dedupe sections and improve getting started guide (#5357 )

2025-10-19 16:41:10 -07:00

review_prompt.md

docs: Fix markdown list item spacing in codex-rs/core/review_prompt.md (#4144 )

2025-10-30 17:39:21 -07:00

README.md

codex-core

This crate implements the business logic for Codex. It is designed to be used by the various Codex UIs written in Rust.

Dependencies

Note that codex-core makes some assumptions about certain helper utilities being available in the environment. Currently, this support matrix is:

macOS

Expects /usr/bin/sandbox-exec to be present.

Linux

Expects the binary containing codex-core to run the equivalent of codex sandbox linux (legacy alias: codex debug landlock) when arg0 is codex-linux-sandbox. See the codex-arg0 crate for details.

All Platforms

Expects the binary containing codex-core to simulate the virtual apply_patch CLI when arg1 is --codex-run-as-apply-patch. See the codex-arg0 crate for details.