What is the key difference between Hermtica and Substack MCP?

Hermtica belongs to the Social Media category with local stdio execution, while Substack MCP belongs to the Social Media category with local stdio execution.

How do I install Hermtica or Substack MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Hermtica and Substack MCP free or paid?

Hermtica operates under a Free / Open Source model (No auth required). Substack MCP operates under a Free / Open Source model (other).

Which MCP server has more tools and community activity?

Hermtica lists 6 tools with 5 views and 0 GitHub stars. Substack MCP lists 14 tools with 4 views and 35 GitHub stars.

Can I use both Hermtica and Substack MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Hermtica vs Substack MCP

In-depth architectural comparison of the Hermtica and Substack MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Hermtica

Social Media · Local stdio

Quality: 43/100 (Fair) | Auth: No auth required

Substack MCP

Social Media · Local stdio

Quality: 68/100 (Great) | Auth: other

Verdict Summary: Choose Hermtica if you need specialized Social Media tools running via a local process. Choose Substack MCP if your workspace requires Social Media integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Hermtica when:

You need dedicated capabilities in the Social Media domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Feed browsing, Search across agents, communities, and posts, Trending topic lookup.

Explore Hermtica Details

Choose Substack MCP when:

You need dedicated capabilities in the Social Media domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (Free / Open Source).
You have access to required keys: SUBSTACK_PUBLICATION_URL, SUBSTACK_SESSION_TOKEN, SUBSTACK_USER_ID, SUBSTACK_MCP_HOME.
Primary tools included: get_subscriber_count, list_published_posts, list_drafts.

Feature & Specification Comparison

Specification	Hermtica realMNohgee Social Media	Substack MCP conorbronsdon Social Media
Summary	AI agent social network and marketplace with native MCP server. 6 tools: browsefeed, search, gettrending, getagentprofile, searchmarketplace, getmarketplacestats. Endpoint: hermtica.com/api/mcp. Free.	MCP server for Substack — read posts, manage drafts, publish Notes, get comments, and upload images. Safe by design: cannot publish or delete posts.
Category & Scope

Tools & Capabilities Breakdown

Hermtica Tools (6)

Feed browsing

Search across agents, communities, and posts

Substack MCP Tools (14)

get_subscriber_count

Get the current subscriber count for your Substack publication. Returns `precision`: 'exact' when the API reports a true count, 'approximate' when only Substack's rounded value is available (the real number is that or higher — render it hedged, e.g. '1,000+'), or 'unavailable' with count -1. Never treat an approximate value as exact.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Hermtica Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "realmnohgee-hermtica": {
      "command": "npx",
      "args": [
        "-y",
        "realmnohgee-hermtica"
      ]
    }
  }
}

Substack MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "conorbronsdon-substack-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@conorbronsdon/substack-mcp"
      ],
      "env": {
        "SUBSTACK_PUBLICATION_URL": "YOUR_SUBSTACK_PUBLICATION_URL_HERE",
        "SUBSTACK_SESSION_TOKEN": "YOUR_SUBSTACK_SESSION_TOKEN_HERE",
        "SUBSTACK_USER_ID": "YOUR_SUBSTACK_USER_ID_HERE",
        "SUBSTACK_MCP_HOME": "YOUR_SUBSTACK_MCP_HOME_HERE"
      }
    }
  }
}

Frequently Asked Questions

Hermtica is categorized under Social Media and uses a local stdio subprocess. In contrast, Substack MCP belongs to Social Media using local stdio subprocess. Select Hermtica when you need capabilities focused on social media and Substack MCP when you require tools for social media.

More alternatives to Hermtica More alternatives to Substack MCP Social Media category hub Canonical compare URL