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 eaglesakura/agent-skills --skill markdown-fixgit clone --depth 1 https://github.com/eaglesakura/agent-skillsWrote 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/eaglesakura/agent-skills/markdown-fix)<a href="https://agentmods.dev/skills/eaglesakura/agent-skills/markdown-fix"><img src="https://agentmods.dev/badge/skills/eaglesakura/agent-skills/markdown-fix/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/eaglesakura/agent-skills/markdown-fix"><img src="https://agentmods.dev/badge/skills/eaglesakura/agent-skills/markdown-fix.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 | $0.00116 | $0.00516 |
| Opus 5 | $0.00058 | $0.00258 |
| Sonnet 5 | $0.00023 | $0.00103 |
| Haiku 4.5 | $0.00012 | $0.00052 |
Grade A, and why
markdown-fix 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 7d 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
Markdown / Fix Lint, Fix Format
書式が揃っていると markdown-search の見出し抽出やレビュー差分が安定する。
内容の設計は別 SKILL に任せ、ここでは lint / format に集中する。
いつ使うか
*.md作成・更新の直後- 「整形」「lint」「フォーマット」依頼
- ディレクトリ配下の Markdown をまとめて直すとき
入力
- 対象ファイル、またはディレクトリ（配下のすべての
*.md）
find "path/to/directory/" -name "*.md"
手順
基本ツールは npx markdownlint-cli2。
コマンド実行時は、プロジェクト規定のツールチェイン（あれば）に従う。
ステップ1. 自動修正
npx markdownlint-cli2 --fix path/to/markdown_file.md
複数ファイル・ディレクトリも同様にパスを渡す。
ステップ2. 残件の手修正
--fixで消えない警告はメッセージを読み、個別に直す- 技術文書の見出しルール（重複見出し・言語タグ等）は
markdown-documentationの lint リファレンスを参照してよい
ステップ3. 再実行
- 手修正後にもう一度ステップ1を実行し、警告ゼロを目指す
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.
- 7d ago First seen · 52 lines · 116 tokens per session scan A 412e79f63739
markdown-fix is a skill published in the GitHub repository eaglesakura/agent-skills (2 stars, last pushed 5d ago), licensed MIT. It adds 116 tokens to every session and 516 once invoked, about $0.0006 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 2026-09-04.
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