lark-doc

lark-doc is a skill for Claude Code, Codex from gitByEOS/lark-chat-mcp. It costs 150 tokens per session (2,126 once invoked), scanned A, original, no licence file.

A tool for reading and editing Feishu cloud documents, including Docx and Wiki documents. Feishu, also called Lark, is a workplace collaboration app with shared online documents.

In plain words
What is it for?
Use it to view, create, edit, insert images into, or download image attachments from Feishu documents.
Why use it?
It lets an agent work from a document link or token instead of requiring the content to be copied manually. It does not manage comments or operate on spreadsheets and Base tables.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

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.

agentmods
npx agentmods add skills/gitbyeos/lark-chat-mcp/lark-doc
Any agent
npx skills add gitByEOS/lark-chat-mcp --skill lark-doc
Clone the repo
git clone --depth 1 https://github.com/gitByEOS/lark-chat-mcp

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-doc

README.md
[![agentmods](https://agentmods.dev/badge/skills/gitbyeos/lark-chat-mcp/lark-doc.svg)](https://agentmods.dev/skills/gitbyeos/lark-chat-mcp/lark-doc)
Your own site
<a href="https://agentmods.dev/skills/gitbyeos/lark-chat-mcp/lark-doc"><img src="https://agentmods.dev/badge/skills/gitbyeos/lark-chat-mcp/lark-doc.svg" alt="Measured on agentmods" height="20"></a>
Per session 150 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,126 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00150 $0.02126
Opus 5 $0.00075 $0.01063
Sonnet 5 $0.00030 $0.00425
Haiku 4.5 $0.00015 $0.00213

Measured 5d ago against content hash ecaef07b0d39, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

lark-doc 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 5d 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.

docs/lark-skills/lark-doc/SKILL.md · 81 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 5d ago First seen · 81 lines · 150 tokens per session scan A ecaef07b0d39

Subscribe to this mod's changes

lark-doc is a skill published in the GitHub repository gitByEOS/lark-chat-mcp (0 stars, last pushed 2mo ago), with no licence file. It adds 150 tokens to every session and 2,126 once invoked, about $0.0007 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 2026-08-31.

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