codex-sidecar

Original：🇺🇸 English

Translated

Use a persistent Codex sidecar thread from the local `codex-sidecar` CLI for design review, implementation advice, debugging, and context-preserving follow-up questions while keeping the current agent as the primary executor.

2installs

Sourcenora/codex-sidecar

Added on2026-04-03

NPX Install

npx skill4agent add nora/codex-sidecar codex-sidecar

SKILL.md Content

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Codex Sidecar

Use the local

codex-sidecar

CLI to consult a persistent Codex thread as a side reviewer / design partner without leaving the current session.

Workflow

Run
```
codex-sidecar status
```
.
If the session is stopped, run
```
codex-sidecar start
```
.
Send focused questions with
```
codex-sidecar ask "<message>"
```
.
Use
```
codex-sidecar reset
```
when the user wants to drop the sidecar's prior context.
Use
```
codex-sidecar stop
```
when the user wants to end the sidecar session and clear local state.

How to Ask

Keep the current agent as the executor. Use the sidecar for second opinions, review, debugging hypotheses, or alternative designs.
Include the relevant task, constraints, and file paths in the
```
ask
```
message. Do not assume the sidecar can inspect your current unshared reasoning.
For code review, ask for concrete risks, likely regressions, and missing tests.
For design questions, ask for tradeoffs and a recommendation under the current constraints.

Failure Handling

If
```
ask
```
fails with a resume/state error, run
```
codex-sidecar status
```
first.
If the state file is corrupted or the thread cannot be resumed, run
```
codex-sidecar reset
```
.
If you need a hard cleanup, run
```
codex-sidecar stop
```
, then
```
codex-sidecar start
```
.