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 thkt/dotclaude --skill use-cli-ast-grepgit clone --depth 1 https://github.com/thkt/dotclaudeWrote 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/thkt/dotclaude/use-cli-ast-grep)<a href="https://agentmods.dev/skills/thkt/dotclaude/use-cli-ast-grep"><img src="https://agentmods.dev/badge/skills/thkt/dotclaude/use-cli-ast-grep/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/thkt/dotclaude/use-cli-ast-grep"><img src="https://agentmods.dev/badge/skills/thkt/dotclaude/use-cli-ast-grep.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 | $0.00035 | $0.00885 |
| Opus 5.5 | $0.00014 | $0.00354 |
| Sonnet 5.5 | $0.00007 | $0.00177 |
| Haiku 4.5 | $0.00003 | $0.00089 |
Grade A, and why
use-cli-ast-grep 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 — 48 lines — stays where its author put it; the contents beside it link to each section on GitHub.
use-cli-ast-grep
使いどころ
構文木の形で一致させる検索・書き換えに限る。テキストや正規表現の一致は ugrep と bfs に、シンボル単位の呼び出しグラフは codegraph に残す。
| 問い | ツール |
|---|---|
| AST パターンによる構文木単位の一致・書き換え | ast-grep |
| 自由記述・リテラル文字列・正規表現の検索 | ugrep / bfs |
| シンボル単位の呼び出し元 / 先・変更の波及範囲 | codegraph |
| 既知の 1 箇所を読む・直接編集する | Read / Edit |
コマンド
run が単発の検索・書き換え、scan がルールファイルによる一括適用、outline がシンボル一覧の抽出にあたる。
| 目的 | コマンド |
|---|---|
| パターン検索 | ast-grep run -p '<pattern>' -l <lang> <PATHS> |
| パターン書き換え (対話確認あり) | ast-grep run -p '<pattern>' -r '<fix>' -l <lang> -i <PATHS> |
| パターン書き換え (確認なし一括適用) | ast-grep run -p '<pattern>' -r '<fix>' -l <lang> -U <PATHS> |
| ルールファイルによるスキャン・書き換え | ast-grep scan -r <rule.yml> <PATHS> |
| シンボル一覧 (構造の把握) | ast-grep outline -l <lang> <PATHS> |
| JSON 出力 | ast-grep run -p '<pattern>' --json <PATHS> |
前提
呼び出しにあたり、次の 3 つを必須の制約とする。
| 項目 | 詳細 |
|---|---|
| PATHS の明示 | run / scan / outline の PATHS はデフォルトでカレントディレクトリ全体 (.) になる。省略せず、対象パスを都度明示する |
| -U はクリーンツリーで | -U は確認なしで全ての書き換えを適用する。実行前に git status でクリーンツリーであることを確かめ、汚れたツリーでは使わない |
.ja/ の同時処理 |
対象に .ja/ 対応がある (MIRROR.md 参照) 場合、.ja/ 側と英語側の両方を同じセッションで処理する。片側だけの書き換えはミラーを崩す |
正典は help 出力
オプション、出力形式、終了コードは ast-grep --help と ast-grep <subcommand> --help にある。help と記憶が食い違えば help が正しい。
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 First seen · 48 lines · 35 tokens per session scan A 71761e11cafb
use-cli-ast-grep is a skill published in the GitHub repository thkt/dotclaude (12 stars, last pushed 25d ago), licensed MIT. It adds 35 tokens to every session and 885 once invoked, about $0.0001 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 2026-08-30.
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