## Summary
This change surfaces skill metadata on command approval requests so
app-server clients can tell when an approval came from a skill script
and identify the originating `SKILL.md`.
- add `skill_metadata` to exec approval events in the shared protocol
- thread skill metadata through core shell escalation and delegated
approval handling for skill-triggered approvals
- expose the field in app-server v2 as experimental `skillMetadata`
- regenerate the JSON/TypeScript schemas and cover the new field in
protocol, transport, core, and TUI tests
## Why
Skill-triggered approvals already carry skill context inside core, but
app-server clients could not see which skill caused the prompt. Sending
the skill metadata with the approval request makes it possible for
clients to present better approval UX and connect the prompt back to the
relevant skill definition.
## example event in app-server-v2
verified that we see this event when experimental api is on:
```
< {
< "id": 11,
< "method": "item/commandExecution/requestApproval",
< "params": {
< "additionalPermissions": {
< "fileSystem": null,
< "macos": {
< "accessibility": false,
< "automations": {
< "bundle_ids": [
< "com.apple.Notes"
< ]
< },
< "calendar": false,
< "preferences": "read_only"
< },
< "network": null
< },
< "approvalId": "25d600ee-5a3c-4746-8d17-e2e61fb4c563",
< "availableDecisions": [
< "accept",
< "acceptForSession",
< "cancel"
< ],
< "command": "/Applications/ChatGPT.app/Contents/Resources/CodexAppServer_CodexAppServerBundledSkills.bundle/Contents/Resources/skills/apple-notes/scripts/notes_info",
< "commandActions": [
< {
< "command": "/Applications/ChatGPT.app/Contents/Resources/CodexAppServer_CodexAppServerBundledSkills.bundle/Contents/Resources/skills/apple-notes/scripts/notes_info",
< "type": "unknown"
< }
< ],
< "cwd": "/Applications/ChatGPT.app/Contents/Resources/CodexAppServer_CodexAppServerBundledSkills.bundle/Contents/Resources/skills/apple-notes",
< "itemId": "call_jZp3xFpNg4D8iKAD49cvEvZy",
< "skillMetadata": {
< "pathToSkillsMd": "/Applications/ChatGPT.app/Contents/Resources/CodexAppServer_CodexAppServerBundledSkills.bundle/Contents/Resources/skills/apple-notes/SKILL.md"
< },
< "threadId": "019ccc10-b7d3-7ff2-84fe-3a75e7681e69",
< "turnId": "019ccc10-b848-76f1-81b3-4a1fa225493f"
< }
< }`
```
& verified that this is the event when experimental api is off:
```
< {
< "id": 13,
< "method": "item/commandExecution/requestApproval",
< "params": {
< "approvalId": "5fbbf776-261b-4cf8-899b-c125b547f2c0",
< "availableDecisions": [
< "accept",
< "acceptForSession",
< "cancel"
< ],
< "command": "/Applications/ChatGPT.app/Contents/Resources/CodexAppServer_CodexAppServerBundledSkills.bundle/Contents/Resources/skills/apple-notes/scripts/notes_info",
< "commandActions": [
< {
< "command": "/Applications/ChatGPT.app/Contents/Resources/CodexAppServer_CodexAppServerBundledSkills.bundle/Contents/Resources/skills/apple-notes/scripts/notes_info",
< "type": "unknown"
< }
< ],
< "cwd": "/Users/celia/code/codex/codex-rs",
< "itemId": "call_OV2DHzTgYcbYtWaTTBWlocOt",
< "threadId": "019ccc16-2a2b-7be1-8500-e00d45b892d4",
< "turnId": "019ccc16-2a8e-7961-98ec-649600e7d06a"
< }
< }
```
|
||
|---|---|---|
| .codex/skills | ||
| .devcontainer | ||
| .github | ||
| .vscode | ||
| codex-cli | ||
| codex-rs | ||
| docs | ||
| patches | ||
| scripts | ||
| sdk/typescript | ||
| shell-tool-mcp | ||
| third_party | ||
| .bazelignore | ||
| .bazelrc | ||
| .bazelversion | ||
| .codespellignore | ||
| .codespellrc | ||
| .gitignore | ||
| .markdownlint-cli2.yaml | ||
| .npmrc | ||
| .prettierignore | ||
| .prettierrc.toml | ||
| AGENTS.md | ||
| announcement_tip.toml | ||
| BUILD.bazel | ||
| CHANGELOG.md | ||
| cliff.toml | ||
| defs.bzl | ||
| flake.lock | ||
| flake.nix | ||
| justfile | ||
| LICENSE | ||
| MODULE.bazel | ||
| MODULE.bazel.lock | ||
| NOTICE | ||
| package.json | ||
| pnpm-lock.yaml | ||
| pnpm-workspace.yaml | ||
| rbe.bzl | ||
| README.md | ||
| SECURITY.md | ||
| workspace_root_test_launcher.bat.tpl | ||
| workspace_root_test_launcher.sh.tpl | ||
npm i -g @openai/codex
or brew install --cask codex
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
Quickstart
Installing and running Codex CLI
Install globally with your preferred package manager:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Team, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
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