Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add elvezjp/ixv-agents --skill po-check-constitutiongit clone --depth 1 https://github.com/elvezjp/ixv-agentsWrote 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/skills/elvezjp/ixv-agents/po-check-constitution)<a href="https://agentmods.dev/skills/elvezjp/ixv-agents/po-check-constitution"><img src="https://agentmods.dev/badge/skills/elvezjp/ixv-agents/po-check-constitution/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/skills/elvezjp/ixv-agents/po-check-constitution"><img src="https://agentmods.dev/badge/skills/elvezjp/ixv-agents/po-check-constitution.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 | $0.00083 | $0.00993 |
| Opus 5 | $0.00042 | $0.00496 |
| Sonnet 5 | $0.00017 | $0.00199 |
| Haiku 4.5 | $0.00008 | $0.00099 |
Grade A, and why
po-check-constitution 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 11d 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.
What it actually says
PO Constitution Check
プロジェクトの憲章（CONSTITUTION.md）を確認し、存在意義が記入済みか判定する。
When to Use
- プロジェクト開始時
- ユーザーが「憲章確認」「目的確認」と言った時
- ワークフロー フェーズ1（原則決定フェーズ）の開始時
Instructions
Step 1: CONSTITUTION.mdを読み取り
CONSTITUTION.md を読み取り、内容を確認する。
Step 2: 存在意義セクションを確認
「## 1. 存在意義（Purpose）」セクションの内容を確認する。
未記入の判定基準: 以下のいずれかに該当する場合は「未記入」と判定：
- 「このプロジェクトが存在する理由を明記する」というテンプレート文言のまま
- セクション内容が空
- プレースホルダーのまま（例:
{purpose}、TODO）
Step 3: 結果を報告
記入済みの場合:
憲章確認完了: 存在意義が記入されています。
目的: {記入されている内容の要約}
→ 次のステップ: フェーズ2 企画・要件定義へ進んでください。
未記入の場合:
憲章確認完了: 存在意義が未記入です。
現在の内容: {現在の内容}
→ 次のステップ:
1. ユーザーにプロジェクトの目的をヒアリングしてください
2. po-request-yaml スキル（task_type: constitution_update）で憲章更新タスクを発行してください
【重要】元のユーザー要望は保留し、憲章更新タスクのみを発行してください。
憲章更新が完了するまで、他のタスク（feature, spec_update等）は発行しないでください。
Examples
Example 1: 記入済みの場合
CONSTITUTION.md の内容:
## 1. 存在意義（Purpose）
- AIエージェントによる効率的なソフトウェア開発プロセスを実現する
報告:
憲章確認完了: 存在意義が記入されています。
目的: AIエージェントによる効率的なソフトウェア開発プロセスを実現する
→ 次のステップ: フェーズ2 企画・要件定義へ進んでください。
Example 2: 未記入の場合
CONSTITUTION.md の内容:
## 1. 存在意義（Purpose）
- このプロジェクトが存在する理由を明記する
報告:
憲章確認完了: 存在意義が未記入です。
現在の内容: テンプレートのまま
→ 次のステップ:
1. ユーザーにプロジェクトの目的をヒアリングしてください
2. po-request-yaml スキル（task_type: constitution_update）で憲章更新タスクを発行してください
References
詳細なテンプレート構造は references/constitution-template.md を参照。
Notes
- このスキルはPOロールのみが使用する
- 憲章の変更はHumanの最終承認が必要
- 記入済みの場合はフェーズ2へ、未記入の場合はタスク発行へ進む
- フェーズ順序厳守: 未記入の場合、constitution_update のみを発行し、元のユーザー要望は保留する
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 11d ago First seen · 112 lines · 83 tokens per session scan A 7c35c1122b60
po-check-constitution is a skill published in the GitHub repository elvezjp/ixv-agents (5 stars, last pushed 1mo ago), licensed MIT. It adds 83 tokens to every session and 993 once invoked, about $0.0004 per session on Opus 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.
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