Beehiiv MCP Server

A Model Context Protocol (MCP) server for Beehiiv that connects your newsletter to Claude Desktop, enabling management of subscribers, posts, segments, webhooks, automations, and more using natural language.

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// key findings

🚨

Secret credentials may flow to a network call

1 flow detected: BEEHIIV_API_KEY. We can’t prove the destination matches the brand the credential belongs to.

⚠️

Known vulnerabilities in dependencies: 2 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

You'll be asked for 1 credential: BEEHIIV_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies2 high

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

high@modelcontextprotocol/sdk@1.0.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.0GHSA-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.

🔐 secretBEEHIIV_API_KEY— "": "your_api_key_here",

configBEEHIIV_PUB_ID— "": "pub_xxxxxxxxxx"

// 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 4 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/shanebrady77-beehiivmcp-17hhku)](https://m8ven.ai/mcp/shanebrady77-beehiivmcp-17hhku)

commit: e7bea59f3a5381fbd5f8e1af60b1743ac0777292

code hash: 00c4627533a2ef89f73fe1e13a435252ed554f97cf181a310219fea486ca6ca5

verified: 6/22/2026, 12:59:59 PM

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