# Substack Publisher

> Use this tool when you need to analyze post performance, track subscriber growth, and access publication data from Substack. It integrates with the Substack Publisher API to provide engagement stats, subscriber breakdowns, and post metadata, supporting multiple publications with separate API keys. Ideal for publishers seeking to optimize their content and audience engagement strategies, it requires a Substack Publisher API key for authentication and outputs detailed analytics and metrics.

Canonical page: https://skillsregistry.net/skills/dkships-substack-publisher  
JSON: https://api.skillsregistry.net/v1/skills/dkships-substack-publisher

## Description

Integrates with Substack's official Publisher API to query post analytics, subscriber metrics, and publication data. Supports multi-publication configurations with separate API keys, providing access to engagement stats, subscriber breakdowns by type, and post metadata. Built with TypeScript and designed for stdio transport, requiring a Substack Publisher API key for authentication.

## Trust

- **Trust score (0–1):** 0.94
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** data-analytics
- **Updated:** 2026-09-28

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/dkships-substack-publisher)
- **Repository:** <https://github.com/dkships/substack-publisher-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": "dkships-substack-publisher"
    }
  }
}
```

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