Security MCP Server 🐳 Docker

Mimecast MCP

MCP server for Mimecast Email Security — message tracking, threat intelligence search, and held-message queue management.

🔗 Companion Plugin

Pair this MCP server with the Mimecast plugin for skills, commands, and API knowledge alongside direct API access.

Installation

Run the MCP server with npx:

npx @wyre-technology/mimecast-mcp

Or install the package:

npm install @wyre-technology/mimecast-mcp

MCPB Bundle (Claude Desktop)

Download the .mcpb bundle from GitHub Releases for a zero-config Claude Desktop install. No Node.js or terminal required — just open the bundle in Claude Desktop via Settings → MCP Servers → Install from file. Requires Claude Desktop 0.10+.

Claude Desktop Configuration

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "mimecast": {
      "command": "npx",
      "args": [
        "@wyre-technology/mimecast-mcp"
      ],
      "env": {
        "MIMECAST_CLIENT_ID": "your-mimecast-client-id",
        "MIMECAST_CLIENT_SECRET": "your-mimecast-client-secret",
        "MIMECAST_REGION": "your-mimecast-region"
      }
    }
  }
}

Authentication

Variable	Required	Description
`MIMECAST_CLIENT_ID`	Yes	Mimecast API 2.0 client ID
`MIMECAST_CLIENT_SECRET`	Yes	Mimecast API 2.0 client secret
`MIMECAST_REGION`	Yes	Mimecast region: us \| eu \| de \| za \| au \| jer \| offshore

Getting Credentials

⚠️ Portal verification pending

The instructions below are our best understanding of the vendor's credential-acquisition flow but have not been verified hands-on against the current portal. If you hit a step that doesn't match what you see, please let us know — we'll update the docs.

Vendor portal: https://www.mimecast.com/

Prerequisites

Mimecast administration portal access
Mimecast API 2.0 enabled on your account

Steps

Sign in to your Mimecast Administration Console.
Navigate to Services → API Integrations.
Create a new API 2.0 integration; save Client ID and Client Secret.
Set MIMECAST_CLIENT_ID, MIMECAST_CLIENT_SECRET, and MIMECAST_REGION (us, eu, de, za, au, jer, or offshore per your deployment).

Architecture

Single TypeScript MCP server using Mimecast API 2.0 OAuth client credentials, supporting all Mimecast cloud regions.

Available Tools (7)

Tools are organized into 3 domains:

Messages

Search and trace email messages flowing through Mimecast.

Tool	Description
`mimecast_messages_search`	Search messages by sender / recipient / subject / time range
`mimecast_messages_trace`	Trace a specific message through the Mimecast pipeline

Threats

Threat intelligence and URL / attachment detections.

Tool	Description
`mimecast_threats_list`	List detected threats with filters
`mimecast_threats_get`	Get full threat record by ID

Queue

Held / quarantined message queue management.

Tool	Description
`mimecast_queue_list`	List held / quarantined messages
`mimecast_queue_release`	Release a held message to its recipient
`mimecast_queue_reject`	Reject a held message