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How to connect Beehiiv to Claude Cowork

Connect Claude Cowork to Beehiiv MCP. Send newsletter to beta-subscribers segment, list recent posts and open rates, and more using natural language, with authentication handled for you.

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Beehiiv is a newsletter platform for creating and managing publications and subscribers. It helps grow audience engagement and monetize your mailing list.

11 Tools

Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.

This guide walks you through the easiest and most secure way to connect your Beehiiv account to Cowork via Composio Connect, enabling it to send newsletter to beta-subscribers segment, list recent posts and open rates, create a subscriber segment for churn-risk, and more such actions on your behalf without compromising your account security.

Also integrate Beehiiv with

ChatGPT WorkHermes

Connecting Beehiiv to Claude Cowork

1. Open Customize

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

2. Add the Composio MCP server

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

3. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Cowork

4. Connect your Beehiiv account

Back in Cowork, ask the agent to connect to Beehiiv or give it any Beehiiv-related task.

For example, ask Cowork to:

  • "Send newsletter to beta-subscribers segment"
  • "List recent posts and open rates"
  • "Create a subscriber segment for churn-risk"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Beehiiv account is ready to use.

What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.

With Composio Connect, Cowork can securely access apps like Beehiiv through MCP without you sharing account credentials directly with the agent.

What is the Beehiiv MCP server, and what's possible with it?

The Beehiiv MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Beehiiv account. It provides structured and secure access so your agent can perform Beehiiv operations on your behalf.

TOOLS

Supported Tools

Every Beehiiv action and event your agent gets out of the box.

Create Draft Post

Create an unscheduled draft post from HTML content.

Create Segment

Create an audience segment from explicit subscription IDs, explicit emails, or custom-field rules; returns the segment and its initial calculation status.

Create Subscription

Create a new publication subscription without reactivating an unsubscribed address or sending a welcome email; supports attribution, initial custom fields, and newsletter-list assignment.

List Custom Fields

List the custom-field definitions available for subscriber metadata and dynamic audience segments in a publication, returning one page controlled by page and limit with pagination metadata for retrieving additional fields.

List Posts

Search a publication's posts by status, audience, channel, slug, tags, or author and optionally include content, recipients, or statistics.

List Publications

List publications accessible to the API key, optionally including publication statistics; use the returned publication IDs with publication-scoped tools.

List Segment Members

List full subscriber records currently included in an audience segment, optionally including stats, custom fields, referrals, tags, or premium tiers.

List Segments

List audience segments in a publication, filtered by segment type or calculation status, with optional latest statistics.

List Subscriptions

Search a publication's subscriptions by exact email or filter by status and tier, returning one cursor-controlled page of subscriber records.

Update Draft Post

Update content or presentation settings on an existing draft after verifying it is still a draft; refuses confirmed, archived, or sent posts and cannot publish or schedule.

Update Subscription Custom Fields

Set or remove custom-field values on one subscription without changing its email, tier, billing link, or subscribed status.

FRAMEWORKS

How to build Beehiiv MCP Agent with another framework

ChatGPT Work logo

ChatGPT Work

Use Beehiiv MCP with ChatGPT Work

Hermes logo

Hermes

Use Beehiiv MCP with Hermes

FAQ

Frequently asked questions

With a standalone Beehiiv MCP server, the agents and LLMs can only access a fixed set of Beehiiv tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Beehiiv and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Beehiiv tools.

Yes, absolutely. You can configure which Beehiiv scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Beehiiv data and credentials are handled as safely as possible.

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