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 davidtoby/agent-skills --skill lark-markdowngit clone --depth 1 https://github.com/davidtoby/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/davidtoby/agent-skills/lark-markdown)<a href="https://agentmods.dev/skills/davidtoby/agent-skills/lark-markdown"><img src="https://agentmods.dev/badge/skills/davidtoby/agent-skills/lark-markdown/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/davidtoby/agent-skills/lark-markdown"><img src="https://agentmods.dev/badge/skills/davidtoby/agent-skills/lark-markdown.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 | $0.00073 | $0.01344 |
| Opus 5 | $0.00036 | $0.00672 |
| Sonnet 5 | $0.00015 | $0.00269 |
| Haiku 4.5 | $0.00007 | $0.00134 |
Grade A, and why
lark-markdown 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.
This is a copy
95% identical to lark-markdown — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 71 lines — stays where its author put it; the contents beside it link to each section on GitHub.
markdown (v1)
CRITICAL — 开始前 MUST 先用 Read 工具读取 ../lark-shared/SKILL.md,其中包含认证、权限处理
快速决策
-
身份:Markdown 文件通常属于用户云空间资源,优先使用
--as user。如为自动化场景,或应用已创建并持有目标文件权限,可按场景使用--as bot。首次以user身份访问前执行lark-cli auth login -
markdown +create/+overwrite失败时,先判断是不是身份和权限问题:bot更常见的是 app scope 或目标目录 ACL,user更常见的是用户授权或用户 ACL;不要不加判断地来回切身份重试。 -
用户要上传、创建一个原生
.md文件,使用lark-cli markdown +create -
用户要比较原生
.md文件的历史版本差异,或比较远端 Markdown 与本地草稿,使用lark-cli markdown +diff -
用户要读取 Drive 里某个
.md文件内容,使用lark-cli markdown +fetch -
用户要对 Markdown 文件做局部文本替换 / 正则替换,优先使用
lark-cli markdown +patch -
用户要覆盖更新 Drive 里某个
.md文件内容,使用lark-cli markdown +overwrite -
用户要先拿 Markdown 文件的历史版本号,再做比较/下载/回滚,先用
lark-drive的lark-cli drive +version-history -
用户要把本地 Markdown 导入成在线新版文档(docx),不要用本 skill,改用
lark-drive的lark-cli drive +import --type docx -
用户要对 Markdown 文件做rename / move / delete / 搜索 / 权限 / 评论等云空间(云盘/云存储)操作,不要留在本 skill,切到
lark-drive -
markdown +create/+overwrite命中missing scope、permission denied、not found、quota_exceeded、version limit时,默认停止重试并按报错 hint 处理;只有rate_limit、server_error或临时网络错误才做有限退避重试。 -
markdown +create的目标参数不要猜:Drive 文件夹用--folder-token,Wiki 节点用--wiki-token。如果用户给的是 URL,可以直接传完整 URL;CLI 会归一成 token。不要把 doc/sheet/wiki URL 放进--folder-token试错。
核心边界
- 本 skill 处理的是 Drive 中作为普通文件存储的 Markdown,不是 docx 文档
--name和本地--file文件名都必须显式带.md后缀;不满足时 shortcut 会直接报错--content支持:- 直接传字符串
@file从本地文件读取内容-从 stdin 读取内容
markdown +patch的内部语义是:先完整下载 Markdown,再本地替换,再整文件覆盖上传markdown +patch不是服务端原子 patch;它是 CLI 侧编排出来的局部更新能力markdown +patch当前只支持单组--pattern/--contentmarkdown +patch替换后的最终内容不能为空;CLI 会拒绝上传空文件,因为 Drive 不支持零字节 Markdown,且空文件通常是误操作--file只接受本地.md文件路径
正则替换时要特别注意 --pattern 的转义:
# BAD: 未转义正则特殊字符,可能匹配到错误位置
lark-cli markdown +patch --file-token boxcnxxxx --regex --pattern "version (1.0)" --content "version (2.0)"
# GOOD: 显式转义括号和点号
lark-cli markdown +patch --file-token boxcnxxxx --regex --pattern "version \\(1\\.0\\)" --content "version (2.0)"
What ships with it
5 files 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 · 71 lines · 73 tokens per session scan A 50024d5e506a
lark-markdown is a skill published in the GitHub repository davidtoby/agent-skills (10 stars, last pushed 1mo ago), licensed MIT. It adds 73 tokens to every session and 1,344 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. It is 95% identical to lark-markdown, differing in 2 lines, and is treated as a copy.
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