royalmail-mcp

Item: royalmail-mcp
Rating: 54
Author: M8ven

Connect any MCP-compatible AI to Royal Mail shipping. This server exposes five tools that let Claude, Cursor or any MCP client book orders, fetch postage labels, track shipments and cancel bookings through the official Click & Drop API.

→ catrinmdonnelly/royalmail-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: RM_API_KEY

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@1.10.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.10.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.10.0GHSA-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.

configPARCEL_TOOLKIT_LABELS_DIR— Labels are saved to your local disk at ~/Downloads/parcel-toolkit/ (overridable via the env var).

configRM_ALLOW_LIVE

🔐 secretRM_API_KEY— your-royal-mail-api-key

configRM_BASE_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 6 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/catrinmdonnelly-royalmail-mcp-1sqty4)](https://m8ven.ai/mcp/catrinmdonnelly-royalmail-mcp-1sqty4)

commit: b2ba6c01f581f82fa1c6da41f507e5c0894912a3

code hash: 21e5aaebaee930b3000b9b1b16d13a5a3f1642639858d87082409910e8678af3

verified: 6/10/2026, 10:47:07 AM

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