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lark-whiteboard

lark-whiteboard is a skill for Claude Code, Codex from larksuite/cli. It costs 104 tokens per session (881 once invoked), scanned A, original, MIT.

A tool for viewing and editing whiteboards in Feishu, a workplace collaboration platform. It can export a whiteboard as an image, SVG, source code, or node data, and update it from Mermaid, PlantUML, SVG, or OpenAPI formats.

In plain words
What is it for?
Use it to inspect Feishu whiteboards, export diagrams for previews or reuse, create diagrams from code, and update existing boards.
Why use it?
It avoids manually copying diagrams between Feishu and development tools. It also keeps whiteboard work separate from editing documents, spreadsheets, and databases.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

not rated 18krepo +90 yesterday A scan Socket: passSnyk: passSkillSpector: warn 104 tokens original MIT

Good fit Use it to inspect Feishu whiteboards, export diagrams for previews or reuse, create diagrams from code, and update existing boards.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/larksuite/cli/lark-whiteboard
View source ↗ larksuite/cli
About the project

Lark CLI is a command-line tool for using Lark/Feishu services such as messaging, documents, spreadsheets, calendars, mail, tasks, and meetings. It is intended for people and AI agents that need to work with these business tools through terminal commands.

larksuite/cli · 17,986 stars · on GitHub

Install

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.

Any agent
npx skills add larksuite/cli --skill lark-whiteboard
Clone the repo
git clone --depth 1 https://github.com/larksuite/cli

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for lark-whiteboard

README.md
[![agentmods](https://agentmods.dev/badge/skills/larksuite/cli/lark-whiteboard/github.svg)](https://agentmods.dev/skills/larksuite/cli/lark-whiteboard)
Your own site
<a href="https://agentmods.dev/skills/larksuite/cli/lark-whiteboard"><img src="https://agentmods.dev/badge/skills/larksuite/cli/lark-whiteboard/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.

agentmods 80×15 button for lark-whiteboard

Your own site · 80×15
<a href="https://agentmods.dev/skills/larksuite/cli/lark-whiteboard"><img src="https://agentmods.dev/badge/skills/larksuite/cli/lark-whiteboard.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 104 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 881 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • Socket pass 15 Sept 2026
  • Snyk pass 15 Sept 2026
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium MCP Rug Pull · line 15
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00104 $0.00881
Opus 5.5 $0.00042 $0.00352
Sonnet 5.5 $0.00021 $0.00176
Haiku 4.5 $0.00010 $0.00088

Measured 2mo ago against content hash 78a3fbffa0da, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

lark-whiteboard 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.

Origin

Copies of this mod

2 near-identical copies found in the catalogue:

skills/lark-whiteboard/SKILL.md · 56 lines

What it actually says

[!IMPORTANT]

  • 运行 lark-cli --version，确认可用，无需询问用户。
  • 运行 npx -y @larksuite/whiteboard-cli@^0.2.13 -v，确认可用，无需询问用户。

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：画板操作默认使用 --as user。仅当需要以应用身份上传时使用 --as bot。

先判断「只读还是写入」，再在对应表内按上到下匹配，命中即停。

A. 只读 · 查看 / 导出（不改画板）

用户需求 行动
查看画板内容 / 导出图片 +export --output-type preview
导出 SVG 矢量图 +export --output-type svg
提取画板的 Mermaid/PlantUML 源码 +export --output-type source

B. 写入 · 创作 / 编辑（会改画板，命中即停）

场景 行动 写入方式 对原内容
用户已提供 Mermaid/PlantUML/SVG 代码，或明确指定用该格式 使用该代码 → +update，--input_format 取单值 mermaid / plantuml / svg；写入非空已有画板并需要 overwrite 时，先确认会整板重建；若 SVG 用于修改已有画板，先走 routes/svg-edit.md 有损确认 overwrite / append 按用户要求
从零新建复杂图表（架构/流程/组织等） → § 创作 Workflow 首次写入 —
修改 / 增补已有画板 → § 编辑 Workflow 见该表 见该表

Shortcuts

Shortcut 说明
+export 导出画板为预览图片、SVG 矢量图、代码或原始节点结构。
+update 更新画板，支持 PlantUML、Mermaid、SVG 或 OpenAPI 原生格式

不在本 skill 范围

Files

What ships with it

30 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.

Changes

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.

  1. 2mo ago First seen · 56 lines · 104 tokens per session scan A 78a3fbffa0da

Subscribe to this mod's changes

lark-whiteboard is a skill published in the GitHub repository larksuite/cli (17,986 stars, last pushed yesterday), licensed MIT. It adds 104 tokens to every session and 881 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 2026-08-30.

Creative and mediaDesign and UX
Related

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lark-whiteboard next to 6 skills from other repositories
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glance-canonical-layoutsandroid/skillsSkill10kyesterdayApache-2.0A56Claude Code
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