Substack

Substack MCP Connector for Claude

A+

Equip your AI agent with direct access to Substack — manage publications, draft posts, and track subscriber data without opening the Substack editor.

6 tools Official Updated Jun 28, 2026 Official Vinkius Partner

Connect Substack to your AI agent and manage your newsletter publication conversationally.

What you can do

  • Post Management — List, create, and manage newsletter posts including drafts, published, and scheduled content.
  • Subscriber Insights — Query subscriber counts, growth trends, and audience demographics.
  • Publication Settings — Access and modify publication metadata, categories, and custom domains.
  • Content Analytics — Track open rates, click rates, and engagement metrics per post.

How it works

  1. Subscribe to the Substack integration on the marketplace.
  2. Get your API token from your Substack publication settings (Settings → Publication API).
  3. Ask your AI agent to draft posts, check analytics, or manage subscribers.

Who is this for?

  • Newsletter Creators — Draft and schedule posts without switching context to the Substack editor.
  • Content Marketers — Track newsletter performance and audience growth from a conversational interface.
  • Thought Leaders — Manage multiple Substack publications efficiently from your AI workflow.
newsletterpublishingsubscriber-analyticscontent-draftingmonetization

6 tools expose this connector's capabilities to your AI agent.

list_posts

List recent posts

get_post

Get post

get_post_stats

Get post stats

list_subscribers

List subscribers

get_publication_info

Get publication info

get_leaderboard

Get leaderboard

See how to talk to your AI agent using Substack.

How many subscribers does my Substack have?

Your publication has 4,250 total subscribers. Breakdown: 3,890 free (91.5%) and 360 paid (8.5%). Growth this month: +185 new subscribers (4.5% growth rate). Churn: 12 unsubscribes.

Draft a new newsletter post titled 'The Future of AI in Sales'.

Draft created: 'The Future of AI in Sales'. Status: Draft (unpublished). You can ask me to add body content, set a subtitle, or schedule it for publication.

What was the open rate on my last newsletter?

Your last newsletter 'Q1 Market Insights' had a 52% open rate (2,210 opens out of 4,250 sent), 8% click rate on embedded links, and generated 23 new subscribers from shares.

Log in to your Substack publication at **yourdomain.substack.com**. Navigate to **Settings** from the left sidebar. Look for the **Publication API** or **Developer** section. Generate an API token and copy it. Paste it into the configuration field below. Note: Substack's API is currently in limited availability — check Substack's developer page for the latest access information.

Related Connectors