# Substack MCP Server

> Substack MCP Server — thenewrhythm-substack-mcp. Use this tool when you need to integrate with Substack publications, enabling reading and optional drafting of content via unofficial JSON endpoints and RSS feeds. It solves problems of accessing and interacting with Substack content programmatically, providing an interface for inputting publication details and outputting relevant data. Ideal for use cases requiring automated Substack content management and analysis.

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

## Description

Enables reading from and optionally drafting to a Substack publication via Claude, using unofficial JSON endpoints and RSS feed.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-08-30

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/t8dvkkjkea)
- **Repository:** <https://github.com/thenewrhythm/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": "thenewrhythm-substack-mcp"
    }
  }
}
```

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