MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

Substack MCP Server

Name: Substack
Availability: InStock
Author: Vinkius

Built by Vinkius GDPR ToolsFree for Subscribers

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

Get MCP Server for AI Agents

Ask AI about this MCP Server

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

AI Agent→Vinkius

High Security·Kill Switch·Plug and Play

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

What is the Substack MCP Server?

The Substack MCP Server gives AI agents like Claude, ChatGPT, and Cursor direct access to Substack via 6 tools. Equip your AI agent with direct access to Substack — manage publications, draft posts, and track subscriber data without opening the Substack editor. Powered by the Vinkius - no API keys, no infrastructure, connect in under 2 minutes.

Built-in capabilities (6)

get_leaderboardget_postget_post_statsget_publication_infolist_postslist_subscribers

Tools for your AI Agents to operate Substack

Ask your AI agent "How many subscribers does my Substack have?" and get the answer without opening a single dashboard. With 6 tools connected to real Substack data, your agents reason over live information, cross-reference it with other MCP servers, and deliver insights you would spend hours assembling manually.

Works with Claude, ChatGPT, Cursor, and any MCP-compatible client. Powered by the Vinkius - your credentials never touch the AI model, every request is auditable. Connect in under two minutes.

Why teams choose Vinkius

One subscription gives you access to thousands of MCP servers - and you can deploy your own to the Vinkius Edge. Your AI agents only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure and security, zero maintenance.

Build your own MCP Server with our secure development framework →

Vinkius works with every AI agent you already use

…and any MCP-compatible client

Substack MCP Server capabilities

6 tools

get_leaderboard

Get leaderboard

get_post

Get post

get_post_stats

Get post stats

get_publication_info

Get publication info

list_posts

List recent posts

list_subscribers

List subscribers

What the Substack MCP Server unlocks

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.

Frequently asked questions about the Substack MCP Server

How do I get my Substack API token?

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.

Can I draft and schedule newsletter posts?

Yes. Your AI agent can create draft posts with title, body content, subtitle, and metadata. You can then schedule them for a specific date and time — managing your entire editorial calendar conversationally.

Can I track how many subscribers I gained this month?

Yes. Ask your AI agent for subscriber growth metrics and get total subscribers, new subscribers this month, churn rate, and free vs. paid subscriber breakdown.

Does this work with paid Substack publications?

Yes. The integration supports both free and paid publications. You can manage paywalled content, check paid subscriber counts, and analyze revenue metrics through your AI agent.