• IDEATION
  • DRAFTING
  • REVIEW
  • MANAGEMENT

How to draft and save newsletter posts with your AI

Connect Substack to your AI client to turn raw ideas into ready-to-edit drafts.

Ask AI about this page

Short answer

How can I use my AI to draft Substack posts?

You tell your AI to brainstorm topics or write content, then it saves those pieces directly into your Substack publication as drafts. This keeps your ideas organized in one place without you having to copy and paste manually.

Where your content lands.

Content outcomes.

The AI handles the heavy lifting of organization and initial writing.

IDEATION

Brainstorming topics

Your AI generates a list of potential newsletter themes or headlines based on your niche.

DRAFTING

Creating post drafts

The AI writes the actual content and places it into your Substack account as a draft.

REVIEW

Human refinement

You log into Substack to review, edit, and finalize the posts the AI prepared.

MANAGEMENT

Viewing existing posts

The AI can look at what you've already published to ensure new ideas fit your history.

The workflow

What your AI does when the idea arrives.

The AI moves from thought to draft using your Substack connection.

  1. Gather context

    The AI looks at your current publication to understand your style and previous topics.

    list_posts

  2. Generate content

    Your agent writes the newsletter text based on your specific instructions.

    get_post

  3. Save the work

    The AI sends the completed text to your Substack account as a new draft.

    get_post

  4. Verify status

    The AI checks your post list to confirm the draft was successfully created.

    list_posts

Try it

Copy these to start.

Use these prompts to kick off the process.

Starting points

Swap the bracketed text for your actual newsletter topic or style preferences.

Substack Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_YpBi8hRnrhTPJHoHKTYYVNARu6MIIFCBfFP8XLRm/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Substack capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "substack-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_YpBi8hRnrhTPJHoHKTYYVNARu6MIIFCBfFP8XLRm/mcp"
    }
  }
}
Copy into chat04

  • Look at my recent posts in Substack and suggest five new topics for next month.

  • Write a draft for a newsletter about [topic] and save it to my Substack.

  • Check my Substack posts to see if I have already covered [topic].

  • Draft a short update about [event] and put it in my Substack drafts.

  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Start here

Connect Substack once, then ask.

Link your Substack account in one click. Your credentials stay encrypted and secure, and you can immediately start asking your AI to manage your drafts.

Connect Substack to your AI

FAQ

How this task behaves.

  • 01

    Will the AI publish my posts automatically?

    No. The AI only creates drafts. You must manually review and hit publish in Substack.

  • 02

    Can the AI delete my old newsletters?

    No. This MCP does not have the capability to delete any existing posts.

  • 03

    Can I see a list of my published posts through the AI?

    Yes, the AI can list your posts to help you keep track of what you've already written.

  • 04

    Does the AI know my Substack password?

    No. Your login information is encrypted and handled securely by Vinkius.

  • 05

    Can the AI change my publication settings?

    No. The AI is limited to interacting with posts only.

  • More questions about Substack? See everything the Substack Connector can do

Connect Substack to Claude, Cursor, ChatGPT & more