Lark MCP Server

Item: Lark MCP Server
Rating: 45
Author: M8ven

Enables AI models to send messages to Lark users and manage calendar events (list, create, add attendees) through the Model Context Protocol.

→ junyuan-qi/lark-mcp-server · 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 3 credentials: LARK_APP_SECRET, LARK_USER_ACCESS_TOKEN, SUPABASE_KEY

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@1.6.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.6.0GHSA-w48q-cv73-mx4w

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

highaxios@1.8.1GHSA-35jp-ww65-95wh

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

highaxios@1.8.1GHSA-3g43-6gmg-66jw

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

highaxios@1.8.1GHSA-43fc-jf86-j433

Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig

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// required environment variables

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

configLARK_APP_ID— "": "your_app_id",

🔐 secretLARK_APP_SECRET— "": "your_app_secret",

configLARK_CALENDAR_ID— "": "target_calendar_id",

🔐 secretLARK_USER_ACCESS_TOKEN— "": "your_user_access_token"

configLARK_USER_ID— "": "target_user_id",

🔐 secretSUPABASE_KEY

configSUPABASE_URL

// 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 4 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/junyuan-qi-lark-mcp-server-1e60v4)](https://m8ven.ai/mcp/junyuan-qi-lark-mcp-server-1e60v4)

commit: 54f97d6074f0b96ffbe82c8e09c93fcf868e2658

code hash: 0365610f757e5171cd631ca24519fd985c1d6353e6136d952d8140a1db8ec1bb

verified: 6/15/2026, 1:33:54 PM

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