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Connect your account, then chat with AI to run tools.
Read Substack publications, posts, categories, and personalized feeds from chat for newsletter research and content workflows.
Substack is used here only to identify this integration; MCPBundles is not affiliated with or endorsed by Substack or its owner.
Live probe refreshed Sep 18, 2026 · Endpoint host mcp.mcpbundles.com
Built for
Newsletter Research, Content Strategy, Creator Analysis, Media Monitoring
Research a publication
Turns publication post history into editorial research.
Read recent posts from this Substack publication, summarize the main themes, audience, publishing cadence, and strongest article ideas.
Connect Substack to any MCP client in minutes
You’ll sign in to MCPBundles when your client connects.
https://mcp.mcpbundles.com/bundle/substackThis server needs a sign-in. MCPBundles handles that setup once — then chat here with saved access and a log of what ran.
MCPBundles publishes this directory for MCP discovery. Except where we host or operate an offering, third-party services run under their own terms. Product and company names on this page are used in a descriptive, identifying way (including under nominative fair use where applicable); they remain the property of their owners. Nothing here grants you rights in those marks, and nothing here is an offer to sell a third party's services. Terms
You’ll sign in to MCPBundles when your client connects.
https://mcp.mcpbundles.com/bundle/substackThis server needs a sign-in. MCPBundles handles that setup once — then chat here with saved access and a log of what ran.
Opens MCPBundles Studio with this server selected. After sign-in, chat and run tools from the same thread.
Browse all toolsAnalyze a full post
Uses full public post content for content analysis.
Fetch this Substack post by subdomain and slug, then summarize the argument, structure, evidence, and reusable ideas.
Explore a category
Uses category discovery to guide publication research.
List Substack categories and suggest publications or topic areas to research for B2B SaaS content strategy.
Summarize my reader feed
Turns a personalized feed into a prioritized reading list.
Review my personalized Substack feed, group posts by topic, and list which ones deserve a deeper read today.
What Substack data can MCPBundles read?
It can browse publications by subdomain, list posts, fetch full public post content by slug, list categories, and read a personalized feed when a valid session token is connected.
What is a Substack subdomain?
A publication subdomain is the part before substack.com, such as example in example.substack.com. Publication tools use that short value.
Can it read paid-only posts?
Public posts are the reliable path. Paid-only posts can return truncated or limited content depending on the connected reader session and Substack access.
Related editorial
Substack Workflows with AI
How AI agents can browse any Substack publication, read full posts, explore categories, and summarise your personalised reader feed.
Domain knowledge for Substack — workflow patterns, data models, and gotchas for your AI agent.
Read Substack publications and posts. Browse categories, read full post content, and access your personalized reader feed.
Browse any Substack publication's posts by subdomain. Get titles, dates, reaction counts, comment counts, and audience type (everyone vs paid). No need to know the publication URL — just the subdomain.
Get full post content by slug. Returns the complete HTML body, wordcount, reactions, comments, subtitle, and metadata. Works for any public post on any publication.
List all 31 Substack categories with their subcategories. Useful for discovering publications in a topic area.
Access your authenticated reader feed showing posts, notes, and comments from your subscriptions. Returns publication metadata, user profiles, and engagement context.
Substack Get Feed
Get your personalized Substack reader feed showing posts, notes, and comments from your subscriptions.
Substack Get Post
Read the full content of a Substack post by subdomain and slug.
Substack Get Posts
List posts from any Substack publication by subdomain.
Substack List Categories
List all Substack categories (Technology, Culture, Business, etc.) with their subcategories, slugs, and emoji.
It can browse publications by subdomain, list posts, fetch full public post content by slug, list categories, and read a personalized feed when a valid session token is connected.
A publication subdomain is the part before substack.com, such as example in example.substack.com. Publication tools use that short value.
Public posts are the reliable path. Paid-only posts can return truncated or limited content depending on the connected reader session and Substack access.
The strongest workflows are publication research, full-post summarization, category exploration, competitor newsletter analysis, and personalized feed triage.
Add the MCPBundles server URL to your MCP client configuration (Claude Desktop, Cursor, VS Code, etc.). The URL format is: https://mcp.mcpbundles.com/bundle/substack. Authentication is handled automatically.
Substack provides 4 tools that can be called by AI agents, along with a SKILL.md that gives your AI agent domain knowledge about when and how to use them.
Substack uses API Key. Substack requires credentials. Connect via MCPBundles and authentication is handled automatically.
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MCPBundles is an independent platform built on the open Model Context Protocol standard. Not affiliated with Anthropic PBC or Claude.
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