# Substack MCP Server

> Use this tool when you need to automate Substack content management, such as creating and publishing posts, or uploading images and formatting documents. It solves problems like streamlining content workflows and integrating AI-generated content with Substack platforms. The tool accepts inputs like draft text and image files, and outputs published posts and formatted documents compatible with Substack's editor.

Canonical page: https://skillsregistry.net/skills/arthurcolle-substack-mcp  
JSON: https://api.skillsregistry.net/v1/skills/arthurcolle-substack-mcp

## Description

Enables AI tools to programmatically manage Substack content, including creating drafts, publishing posts, and posting to Substack Notes. It supports image uploads, live blogging, and document formatting compatible with Substack's ProseMirror editor.

## Trust

- **Trust score (0–1):** 0.89
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** media
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/x7c34e066i)
- **Repository:** <https://github.com/arthurcolle/substack-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "arthurcolle-substack-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/arthurcolle-substack-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/arthurcolle-substack-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt