Lark MCP Server

Item: Lark MCP Server
Rating: 58
Author: M8ven

MCP server for Lark Open Platform that enables messaging, document management, spreadsheet operations, and task management through natural language.

→ haudnn/lark-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 16 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

You'll be asked for 1 credential: LARK_APP_SECRET

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies16 high12 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.12.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highaxios@1.8.4GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.8.4GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configLARK_APP_ID— Yes — Lark internal app ID

🔐 secretLARK_APP_SECRET— Yes — Lark internal app secret

configLARK_BASE_URL— No https://open.larksuite.com/open-apis Use https://open.feishu.cn/open-apis for China region

configLARK_RATE_LIMIT— No 50 Max requests per second

configLOG_LEVEL

configPORT— No 3000 HTTP server port

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 2 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/haudnn-lark-mcp-163ba2)](https://m8ven.ai/mcp/haudnn-lark-mcp-163ba2)

commit: 0124d7d435d339684c3583f16cc36c9e94f0aabe

code hash: 4b7c27f93692f1e805d0ba22cf8c073e680ee4ec45701ef13a7e849508b6d8df

verified: 6/23/2026, 10:15:13 AM

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