lark-hermes-mcp

Item: lark-hermes-mcp
Rating: 58
Author: M8ven

An MCP server that exposes Feishu/Lark capabilities as function tools to MCP-compatible agents like Hermes and Claude Desktop. It provides 57 tools for messaging, document management, calendar operations, and task management through both hand-written fallback tools and bridged OpenClaw SDK functionality.

→ WilliamMo101/lark-hermes-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 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.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

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 dependencies3 high

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

high@modelcontextprotocol/sdk@1.13.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.13.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.13.0GHSA-w48q-cv73-mx4w

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

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— "cli_xxxxxxxxxxxxxxxx"

🔐 secretLARK_APP_SECRET— "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

configLARK_DOMAIN— mainland Feishu → Feishu; overseas Lark → Lark. The

configLARK_ENABLED_TOOLSETS— "messaging,docs,bitable,calendar,other"

configLARK_LOG_LEVEL

// 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 3 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/williammo101-lark-hermes-mcp-1tswf3)](https://m8ven.ai/mcp/williammo101-lark-hermes-mcp-1tswf3)

commit: 41b026d775ed1efb1661eaea005266eb3cda103b

code hash: 6baad17fc499666f4838e230331d3c8dcc52815064f8bcce4ab15619675ad502

verified: 6/10/2026, 11:22:58 AM

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