Substack FAQs

Question 1

What types of content can I create using Claude?

Accepted Answer

You can create full blog posts with cover images, short-form Substack notes, and manage content like retrieving your posts, notes, and comments, all via natural language commands.

Question 2

What are the prerequisites to use this server?

Accepted Answer

You will need Node.js 18+ installed on your system, a Substack account with publication access, and your `connect.sid` cookie value as the Substack API key for authentication.

Question 3

What is the Substack MCP Server?

Accepted Answer

It's a Model Context Protocol (MCP) server that connects Claude AI (Desktop/Code) to your Substack publication, enabling content management and creation through natural language conversations.

Question 4

Does it support image uploads for posts?

Accepted Answer

Yes, it offers native Substack image upload. This directly integrates with Substack's CDN (Amazon S3) for reliable, third-party-free image handling, supporting formats like PNG, JPG, JPEG, GIF, and WEBP.

Question 5

Can I create drafts before publishing?

Accepted Answer

Absolutely. You have the option to create any post as a draft, allowing for thorough review and edits before it goes live to your Substack audience.

Substack

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Substack

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