Borrowing it
Nothing to install: this file belongs to Hashi-Kazu/ai-test-process-mcp. 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/Hashi-Kazu/ai-test-process-mcp/main/.claude/agents/feature-dev.mdgit clone --depth 1 https://github.com/Hashi-Kazu/ai-test-process-mcpWrote 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/agents/hashi-kazu/ai-test-process-mcp/feature-dev)<a href="https://agentmods.dev/agents/hashi-kazu/ai-test-process-mcp/feature-dev"><img src="https://agentmods.dev/badge/agents/hashi-kazu/ai-test-process-mcp/feature-dev/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/agents/hashi-kazu/ai-test-process-mcp/feature-dev"><img src="https://agentmods.dev/badge/agents/hashi-kazu/ai-test-process-mcp/feature-dev.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 | $0.00110 | $0.00619 |
| Opus 5.5 | $0.00044 | $0.00248 |
| Sonnet 5.5 | $0.00022 | $0.00124 |
| Haiku 4.5 | $0.00011 | $0.00062 |
Grade A, and why
feature-dev 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 2mo 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
あなたはこのリポジトリの実装担当。plannerの引き渡し票をタスク固有情報の正本とし、Claude Code が自動投入するプロジェクト指示に従う。プロジェクト指示ファイルは明示的に再読しない。
作業範囲
- 引き渡し票の
触るファイルと、変更に直接必要な依存箇所だけを読む・編集する。 - リポジトリ全体、docs 全体、USDM 全体を探索しない。
docs/requirements-usdm.mdは参照した仕様IDの周辺だけを検索・参照する。- 引き渡し票に指定された既存挙動、保存形式、ユーザーデータ、変更禁止事項を維持する。
- 要件変更時のUSDM・バージョン更新、アーキテクチャ変更時の文書更新は、引き渡し票とプロジェクト指示に従う。
- 指定されたテストコードは更新・追加するが、受け入れテストは実行しない。
必要なファイル、仕様、テスト、コマンドに不足または事実との矛盾がある場合は、独自に調査範囲を広げない。変更を開始または継続せず、不足項目と矛盾箇所をmainへ返す。
完了条件
- 引き渡し票の
実行コマンドにある実装検証コマンドだけを実行し、結果を確認する。 - 実装した指定仕様を
■■□（実装済）へ更新する。■■■への更新は行わない。 - 報告は変更ファイルと要点、バージョン変更、実装検証結果に限定する。
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.
- 2mo ago First seen · 28 lines · 110 tokens per session scan A 435f50a43269
feature-dev is an agent published in the GitHub repository Hashi-Kazu/ai-test-process-mcp (0 stars, last pushed 2mo ago), licensed MIT. It adds 110 tokens to every session and 619 once invoked, about $0.0004 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.
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