resend-email-mcp

Item: resend-email-mcp
Rating: 62
Author: M8ven

The most complete Resend MCP server — full coverage of the Resend API (emails, domains, contacts, broadcasts, templates, segments, topics, webhooks, logs) plus a unique debug/diagnostics layer no other Resend MCP offers: deliverability analysis, DNS troubleshooting, email lifecycle inspection, bounce explanation, and account auditing. Works with Claude Code, Cursor, Claude Desktop, and any other

→ helbertparanhos/resend-email-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: RESEND_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@1.12.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-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.

🔐 secretRESEND_API_KEY— claude mcp add resend -e =re_xxxxxxxx -- npx -y resend-email-mcp

configRESEND_ATTACHMENTS_DIR— Directory that send_email's localPath attachments are restricted to. Unset = disk reads disabled (safe default; path traversal is blocked)

configRESEND_BASE_URL— Override API base URL (default https://api.resend.com). Must be https (http only for localhost)

configRESEND_FROM— "": "Acme <hello@acme.com>"

configRESEND_MAX_RETRIES— Retries on 429/5xx (default 3)

configRESEND_READONLY— true blocks every mutating tool (send/create/update/delete). Safe exploration of production

configRESEND_REPLY_TO— Default Reply-To address

// 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 2 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/helbertparanhos-resend-email-mcp-1e7ac8)](https://m8ven.ai/mcp/helbertparanhos-resend-email-mcp-1e7ac8)

commit: 6dc510573e5ebfe3cfcb99139bf982863824f709

code hash: 30fe7d09a40604dd1d99eb305f59c5d5848cc541c5e1a28250cef3cbe3b5f60d

verified: 6/10/2026, 10:27:40 AM

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