Borrowing it
Nothing to install: this file belongs to kitepon/codex-sidecar. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/kitepon/codex-sidecar/main/AGENTS.mdgit clone --depth 1 https://github.com/kitepon/codex-sidecarWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/kitepon/codex-sidecar/agents-md)<a href="https://agentmods.dev/instructions/kitepon/codex-sidecar/agents-md"><img src="https://agentmods.dev/badge/instructions/kitepon/codex-sidecar/agents-md/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/instructions/kitepon/codex-sidecar/agents-md"><img src="https://agentmods.dev/badge/instructions/kitepon/codex-sidecar/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.04879 | $0.04879 |
| Opus 5.5 | $0.01952 | $0.01952 |
| Sonnet 5.5 | $0.00976 | $0.00976 |
| Haiku 4.5 | $0.00488 | $0.00488 |
Grade A, and why
codex-sidecar AGENTS.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 267 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AGENTS.md
この製品は退役作業中。 新規連携・機能追加は行わない。Kikoeruのcodex_generate実行時依存が残るため、その移行完了までは既存サービスを維持する。
このリポジトリで作業する Codex / エージェント向けの入口メモ。
ユーザーとの会話は日本語で行う。
このリポジトリ固有の判断は本ファイルとdocs/README.mdだけで完結させる。
特定hostのglobal instructionや別repositoryを、製品開発の必須正本にしない。
Project Purpose
codex-sidecar は、kitepon.dev の AI 開発基盤群から Codex を sidecar agent
として安全に呼び出すための共通実行レイヤー。
単なる codex review CLI ではなく、Throughline / Caveat / Latticeなどの
現役プロジェクトと接続できる「AI 作業OS」の部品として設計する。Claude Code が主で動く環境に、
Codex の別視点、反対意見、レビュー、調査、限定的な修正能力を差し込む。
同時に、汎用ツールとしても成立させる。設計は「generic core」と 「kitepon.dev ecosystem overlay」の二層に分ける。generic core は他の リポジトリでも単体で使える CLI/MCP/安全実行基盤、overlay はユーザーの MCP/OAuth/hook/memory/cost 系プロジェクトに強く刺さる preset / safety profile / context adapter とする。
重要な前提:
- Claude が主導し、Codex は sidecar / second opinion として呼ばれる。
- 呼び出し元は人間だけでなく、MCP server、hook、memory tool、cost optimizer になり得る。
- 結果は人間向け文章だけでなく、他ツールが再利用できる machine-readable JSON として返す。
- このrepoは単独でinstall、設定、診断、復旧、更新、releaseできる。dotagentsは 公開contractを統合するが、製品内部の状態や運用判断を所有しない。
対象 workflow と MCP tool:
- CLI workflow
review/ MCP toolcodex_review: diff / branch / patch の読み取り専用レビュー - CLI workflow
explore/ MCP toolcodex_explore: コードベース調査とファイル参照つき回答 - CLI workflow
work/ MCP toolcodex_work: isolated git worktree 上での小さな修正 - CLI workflow
opinion/ MCP toolcodex_opinion: 設計案への反対意見、見落とし、代替案の提示 - CLI workflow
risk-check/ MCP toolcodex_risk_check: OAuth / MCP / secrets / Docker / hooks / CI などの重点リスク確認 - CLI workflow
auditor/ MCP toolcodex_auditor: primary tool-use auditor 用のpass/missingTools判定 - CLI workflow
generate/ MCP toolcodex_generate: caller所有schemaによる任意の構造化JSON生成
製品管理用CLIはsetup、diagnostics、factory-diagnostics、factory-errors、
auth-status、auth-recoverと、耐久work用のwork-start / work-result /
work-cancel / work-recover / work-auth-recoverを持つ。現在の全入口は
docs/USAGE.mdを正とする。
非目的:
- 画像生成 API 課金の回避
- Codex App Server を一般 OpenAI API gateway として使うこと
- active working tree を Codex に自由編集させること
- approval prompt や危険操作を隠すこと
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 1mo ago Changed · +119 lines · +2,675 tokens per session 2772577d5224
- 1mo ago Changed · +1 lines · +55 tokens per session 6b3c7b06d850
- 2mo ago First seen · 147 lines · 2,149 tokens per session scan A b0e9a64a80f3
codex-sidecar AGENTS.md is an instructions file published in the GitHub repository kitepon/codex-sidecar (1 stars, last pushed 1mo ago), licensed MIT. It adds 4,879 tokens to every session, about $0.0195 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
Other instructions, from other repositories
vscode buildNext.instructions.md
Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).
next.js AGENTS.md
AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.
vscode oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, cache eligibility and rollout and applying the notice (cutover).
langchain AGENTS.md
AGENTS.md instructions for langchain-ai/langchain, covering global development guidelines for the langchain monorepo, corridor security analysis, project architecture and context, monorepo structure and development tools & commands.
vscode copilot-instructions.md
Copilot instructions for microsoft/vscode, covering vs code copilot instructions, project overview, root folders, core architecture (src/ folder) and built-in extensions (extensions/ folder).
deepseek-harness AGENTS.md
AGENTS.md instructions for deepseek-ai/deepseek-harness, covering agents.md, pre-stable apis and released session data, repository layout, commands and host sandbox failures.