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lark

lark is an MCP server for Claude Code from IS908/claude-lark-plugin. Its token cost is not measured, scanned A, original, Apache-2.0.

An MCP server that connects Claude Code to the Lark/Feishu messaging platform. It runs locally through the plugin's npm start command.

In plain words
What is it for?
Use it as the local messaging server in a Claude Code MCP configuration.
Why use it?
It provides the configured Lark connection that Claude Code can use through MCP.

MCP server for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: listed in a Claude config.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the lark plugin — 2 skills, 1 MCP server shipped together

not rated 7repo 2mo ago A scan tokens not measured original Apache-2.0

Good fit Use it as the local messaging server in a Claude Code MCP configuration.

Compare 6 mcp servers from other repositories ↓
View source ↗ IS908/claude-lark-plugin
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add IS908/claude-lark-plugin
Claude Code
/plugin install lark

Made for: Claude Code.

Or install lark, the plugin that ships this one along with the rest of its 2 skills, 1 MCP server.

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

README.md
[![agentmods](https://agentmods.dev/badge/mcp/is908/claude-lark-plugin/lark.svg)](https://agentmods.dev/mcp/is908/claude-lark-plugin/lark)
Your own site
<a href="https://agentmods.dev/mcp/is908/claude-lark-plugin/lark"><img src="https://agentmods.dev/badge/mcp/is908/claude-lark-plugin/lark.svg" alt="Measured on agentmods" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

lark 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 6d 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.

.mcp.json · 12 lines

What it actually says

{
  "lark": {
    "command": "npm",
    "args": [
      "run",
      "--silent",
      "--prefix",
      "${CLAUDE_PLUGIN_ROOT}",
      "start"
    ]
  }
}
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. 6d ago First seen · 12 lines scan A 8011b62579ff

Subscribe to this mod's changes

lark is an MCP server published in the GitHub repository IS908/claude-lark-plugin (7 stars, last pushed 2mo ago), licensed Apache-2.0. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. 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.

botclaude-code-pluginfeishuimlarklite-memory
Related

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lark-wiki-migration

MCP server "lark-wiki-migration" as configured in LiChunyu77/lark-wiki-migration. Runs locally from the lark-wiki-migration Python package.

LiChunyu77/lark-wiki-migration · not measured

feishu-access-bridge

MCP server "feishu-access-bridge" as configured in xashfh1234-oss/feishu-access-bridge. Runs locally from the feishu-access-bridge Python package.

xashfh1234-oss/feishu-access-bridge · not measured

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zhengjs1225/feishu-bridge-poc · not measured

feishu

MCP server "feishu" as configured in phxwang/feishuchannel-for-claudecode. Launched with bun run --cwd ${CLAUDE_PLUGIN_ROOT} --shell=bun --silent start.

phxwang/feishuchannel-for-claudecode · not measured

docs-langchain

MCP server "docs-langchain", hosted remotely at docs.langchain.com, as configured in langchain-ai/langchain.

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