Greg-Swiftomatic/substack-mcp-server
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A Model Context Protocol (MCP) server that enables Claude and other AI assistants to interact with Substack newsletters, posts, and user profiles.
Tools
Functions exposed to the LLM to take actions
get_newsletter_posts
Search the latest articles from Substack Newsletter
get_post_content
Get the full content of a specific Substack article
search_newsletter
Search for articles in newsletter
search_cross_substacks
Search within multiple Substack newsletters
discover_popular_substacks
Discover popular Substack news by category
get_author_info
Search the substack author's letter
get_newsletter_recommendations
Get recommended newsletters for publications
get_newsletter_authors
List Substack newsletters
Prompts
Interactive templates invoked by user choice
No prompts
Resources
Contextual data attached and managed by the client