Gmail MCP Server

@klodr

代码仓库

基本信息

分类

沟通协作

传输方式

stdio

作者

klodr

提交者

Claude R Perrin

关于 Gmail MCP Server

Gmail MCP server with scope-gated tools (readonly / send / modify), path jails for attachments and downloads, hardened OAuth credentials, and Sigstore-signed releases. Read, search, send, draft, label, filter, and thread Gmail from any MCP-enabled AI assistant.

#gmail #email #oauth #security #mcp-server

Gmail MCP Server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "gmail": {
      "command": "npx",
      "args": [
        "-y",
        "@klodr/gmail-mcp"
      ]
    }
  }
}

Gmail MCP Server 工具

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点击上方按钮,在临时沙箱中运行此服务器并实时获取工具列表。

概览

What is Gmail Mcp?

Gmail Mcp reads, searches, sends, drafts, labels, filters, and threads Gmail from any MCP-enabled AI assistant. It wraps the Gmail API with scope-gated tools and in-process safeguards.

How to use Gmail Mcp?

Install globally via npm install -g @klodr/gmail-mcp or invoke directly with npx -y @klodr/gmail-mcp. Authenticate using the auth subcommand with a chosen OAuth scope. Add the server to your MCP client configuration as shown in the README. Requires Node.js 22+.

Key features of Gmail Mcp

Scope-gated tools filtered by granted OAuth scopes.
Path jails restrict attachment and download directories.
Hardened OAuth with file mode 0o600 and TOCTOU defense.
Per-bucket daily and monthly rate limits for sensitive actions.
Opt-in append-only JSONL audit log of tool calls.
Sigstore-signed releases with SLSA attestation and SBOM.

Use cases of Gmail Mcp

Read and search Gmail messages without send permissions.
Send emails using a read-only agent after re-authentication.
Manage labels and filters programmatically.
Draft messages and thread replies via AI assistants.
Log all Gmail tool usage for compliance or debugging.

常见问题

What OAuth scopes are supported?

`gmail.readonly`, `gmail.send`, and `gmail.modify` are supported; tool lists are filtered at startup based on the granted scope.

What are the runtime requirements?

Node.js 22 or higher is required.

Does Gmail Mcp impose rate limits?

Yes, per-bucket daily and monthly caps apply to send, delete, modify, drafts, labels, and filters.

How are attachments secured?

Path jails restrict where the agent can read and write, blocking exfiltration of sensitive files like `~/.ssh/id_rsa`.

Is an audit log available?

Yes, an opt-in append-only JSONL log records every tool call (redacted) for auditing purposes.

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