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licenseB
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maintenanceEnables interaction with Substack publications through natural conversation, allowing users to create posts with cover images, publish notes, manage content, and retrieve profile information.
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Substack MCP
by pmcostadev
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@Substack MCPWhat are my publication stats for this week?"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
Substack MCP
MCP server for Substack with Streamable HTTP transport, deployed on Vercel.
27 tools: drafts, publish, subscribers, analytics, tags, comments, Notes, reader feed, and more.
Deploy
Or import at vercel.com/new and set these env vars:
Variable | Description |
| e.g. |
| Your |
| Your numeric Substack user ID |
Related MCP server: Substack MCP Server
MCP endpoint
POST https://your-domain.vercel.app/mcpStreamable HTTP transport, no client auth required (credentials live server-side in env vars).
Tools
Tool | Description |
| Create a draft from title, subtitle and plain-text body |
| Replace a draft's body with structured content |
| Change title, subtitle and 9 Post settings |
| Read one draft in full |
| List drafts, published or scheduled posts |
| Publish a draft, with email control |
| Delete an unpublished draft |
| Re-host an image on Substack's CDN |
| List and filter subscribers (48 columns, 18 operators) |
| Export subscribers with engagement metrics |
| Read publication settings |
| Read your account and publications |
| Headline stats |
| Rank posts by 43 per-post metrics |
| 16 publication-level reports |
| List tags |
| Tags on one post |
| Tag a post |
| Read comments |
| Post a comment |
| What you subscribe to |
| Your inbox |
| Read any post in full |
| Notes feed |
| One account's published Notes and posts |
| A Note and its replies |
| Restack a Note |
Credits
All 27 tools and the Substack API layer are from marcomoauro/substack-mcp (MIT). This repo rewires the transport from stdio to Streamable HTTP for Vercel deployment.
License
MIT
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- AlicenseNot gradedqualityDmaintenanceEnables programmatic management of Substack content, including creating drafts, publishing posts, and uploading images. It supports specialized features like live blogging and posting to Substack Notes through MCP-compatible AI tools.MIT
- AlicenseNot gradedqualityCmaintenanceEnables managing Substack publications: publish Notes and posts, manage drafts, pull analytics, and read any publication's public feed via MCP.MIT