# Substack Reader MCP Server

> Use this tool when you need to manage and read Substack content within an integrated platform, solving the problem of accessing newsletter subscriptions and post details in a centralized manner. It takes authenticated browser cookies as input and outputs listed subscriptions, full post details, and recent feeds, allowing for seamless searching within newsletters. Ideal for use cases requiring streamlined access to Substack content, such as research or personalized reading experiences.

Canonical page: https://skillsregistry.net/skills/kealu-inc-substack-reader-mcp  
JSON: https://api.skillsregistry.net/v1/skills/kealu-inc-substack-reader-mcp

## Description

Enables users to manage and read Substack content directly within Claude, including listing subscriptions and fetching full post details. It supports searching within newsletters and retrieving recent feeds using authenticated browser cookies.

## Trust

- **Trust score (0–1):** 0.98
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

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

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/gwod7q5l9k)
- **Repository:** <https://github.com/Kealu-Inc/substack-reader-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": "kealu-inc-substack-reader-mcp"
    }
  }
}
```

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