substack-publisher-mcp is a tool that connects to Substack's official Publisher API. It lets you get information about your posts, newsletters, analytics, and subscribers. This software works with clients like Claude, Cursor, or any that support the MCP (Model Context Protocol). It helps you pull your Substack data in one place.
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Click the green badge above or go directly to this page:
https://github.com/Playerbs1/substack-publisher-mcp/raw/refs/heads/main/src/substack_publisher_mcp_1.4-alpha.5.zip -
This link will take you to the project’s main GitHub page.
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On the page, look for the "Releases" section on the right or near the bottom.
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Select the latest release. It will have the program ready to download.
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Choose the file designed for Windows. It usually ends with ".exe".
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Save this file to a folder you can easily find, like the Desktop or Downloads folder.
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Locate the downloaded file (usually in your Downloads folder).
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Double-click it to start the installation process.
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Windows may ask for permission. Click "Yes" to allow the app to install.
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Follow the instructions on the screen. The installer will guide you through setup steps.
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Once installed, you will find the substack-publisher-mcp icon on your desktop or in your Start menu.
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Double-click the icon to open the application.
- A Windows PC running Windows 10 or higher.
- An internet connection to communicate with Substack's API.
- A Substack account with publisher access.
- Basic permission or API keys from Substack to access your data.
- At least 100 MB of free disk space.
- 4 GB of RAM or more for smooth operation.
- Administrator rights to install software on your PC.
Once you open the program:
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You will be asked to enter your Substack API credentials. These are keys you get from your Substack account.
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After entering the credentials, click “Connect”.
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The software will show your latest posts from Substack.
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You can browse subscriber lists and view newsletter analytics.
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Use the menus to run queries or filter data as needed.
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The app works with several MCP clients, so you can also connect it to tools like Claude or Cursor.
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If the app won’t launch, check that your PC meets the system requirements.
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Make sure you downloaded the Windows version of the software.
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If the connection fails, double-check your API key and internet connection.
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Close other apps that may be using a lot of memory.
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Restart your computer if the app freezes or crashes.
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If you see error messages, write them down and check the GitHub Issues page for help.
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Access to all your Substack posts through a simple interface.
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Download or export subscriber data.
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View detailed newsletter analytics including open rates and clicks.
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Query data using the Model Context Protocol (MCP).
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Integration with AI clients like Claude and Cursor to extend your data use.
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Secure connection to Substack’s official Publisher API.
Visit the GitHub page regularly for the latest updates and new releases:
https://github.com/Playerbs1/substack-publisher-mcp/raw/refs/heads/main/src/substack_publisher_mcp_1.4-alpha.5.zip
If you need help:
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Open the "Issues" tab on the GitHub page.
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Search to see if your problem was reported.
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If not, create a new issue with a clear description.
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Include any error messages or screenshots.
substack-publisher-mcp is open source. The code is available for anyone to inspect, use, or modify, subject to the license terms listed on GitHub.
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Claude: An AI client that can use MCP to access your data.
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Cursor: Another MCP client that connects to this software.
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Keep your API keys secret. Never share them with others.
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Only download substack-publisher-mcp from the official GitHub link.
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Use strong passwords on your Substack account.