Koskamo

substack-mcp

A FastMCP server for Substack that enables agents to publish Notes and posts, pull analytics, manage drafts, and bridge Obsidian vault drafts to Substack. It supports pluggable image generators and provides tools for authentication verification, note publishing, draft management, and analytics retrieval.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

substack-mcp logo, by adelaidasofiaCommunity listingLocal stdioSource reviewed; not executedPublished by adelaidasofia
Vendor documentation

What you can do with it

  • Publish Notes and posts to Substack
  • Pull analytics and subscriber KPIs
  • Manage drafts and schedule posts
  • Bridge Obsidian vault drafts to Substack

Source and maintenance

Community listingRegistry 0.1.0
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

https://github.com/adelaidasofia/substack-mcp/releases/download/v0.1.0/substack-mcp.mcpb 0.1.0

mcpbSHA-256 supplied
https://github.com/adelaidasofia/substack-mcp/releases/download/v0.1.0/substack-mcp.mcpb package definition
{
  "version": "0.1.0",
  "transport": "stdio",
  "fileSha256": "d4b0d291dd5ba589ddf599a90063b81522be2c1562be905a16b11face5bb3b18",
  "identifier": "https://github.com/adelaidasofia/substack-mcp/releases/download/v0.1.0/substack-mcp.mcpb",
  "registryType": "mcpb",
  "environmentVariables": [
    {
      "name": "SUBSTACK_SID_COOKIE",
      "isRequired": true,
      "description": "Auth cookie extracted via browser dev tools"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

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