substack-mcp

v1.3.0

Safe creator operations for Substack: rich drafts, Notes, analytics, and consented subscribers. Long-form posts stay draft-only; Notes publish immediately.

CodexClaude Code1 Skill1 MCP serverstdio

By Conor BronsdonLicense: MIT35 GitHub starsUpdated 1 hour ago

Directory evidence

Runtimes: Codex and Claude Code
Parsed components: 2 skill or MCP entries
Source updated: Sep 24, 2026
Manifest status: Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install substack-mcp for Codex and Claude Code

Installs for the current user

codex plugin marketplace add IchenDEV/agent-plugin-mkt
codex plugin marketplace upgrade agent-plugin-marketplace
codex plugin add substack-mcp@agent-plugin-marketplace

Paste and run these commands in a terminal with Codex. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually

$ git clone https://github.com/conorbronsdon/substack-mcp

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The repository root is the plugin root.

Plugin files

substack-mcp/

├── .codex-plugin/plugin.json
├── .claude-plugin/plugin.json
├── skills/substack-creator-workflow/SKILL.md
└── .mcp.json

Included Skills1

substack-creator-workflowskills/substack-creator-workflow/SKILL.md

Read publication context, reuse existing Substack work, and prepare or review private drafts using the configured Substack MCP tools.

MCP servers1

substackstdio

command: npx
args: -y @conorbronsdon/[email protected]
env.MCP_TRANSPORT: stdio

Plugin manifests2

.codex-plugin/plugin.json

{
  "name": "substack-mcp",
  "version": "1.3.0",
  "description": "Safe creator operations for Substack: rich drafts, Notes, analytics, and consented subscribers. Long-form posts stay draft-only; Notes publish immediately.",
  "keywords": [
    "mcp",
    "substack",
    "newsletter",
    "ai",
    "claude",
    "mcp-server",
    "model-context-protocol",
    "cli",
    "markdown",
    "newsletter-automation",
    "content-creation"
  ],
  "author": {
    "name": "Conor Bronsdon",
    "url": "https://github.com/conorbronsdon"
  },
  "homepage": "https://github.com/conorbronsdon/substack-mcp",
  "repository": "https://github.com/conorbronsdon/substack-mcp",
  "license": "MIT",
  "mcpServers": "./.mcp.json",
  "interface": {
    "displayName": "Substack MCP",
    "shortDescription": "Substack drafts, analytics, consented subscribers; Notes publish immediately.",
    "longDescription": "Runs the published Substack MCP server over stdio for safe creator operations across publications: rich drafts, Notes, analytics, and consented subscribers. Long-form posts have no publish, delete, or schedule tools. Notes publish immediately. Configure your own credentials outside the plugin.",
    "developerName": "Conor Bronsdon",
    "category": "Productivity",
    "capabilities": [
      "Read",
      "Write"
    ],
    "defaultPrompt": [
      "List my recent Substack posts."
    ]
  },
  "skills": "./skills/"
}

.claude-plugin/plugin.json

{
  "name": "substack-mcp",
  "version": "1.3.0",
  "description": "Safe creator operations for Substack: rich drafts, Notes, analytics, and consented subscribers. Long-form posts stay draft-only; Notes publish immediately.",
  "author": {
    "name": "Conor Bronsdon",
    "url": "https://github.com/conorbronsdon"
  },
  "homepage": "https://github.com/conorbronsdon/substack-mcp",
  "repository": "https://github.com/conorbronsdon/substack-mcp",
  "license": "MIT"
}