WriteStack

Name: WriteStack
Author: writestack.io

Remote

writestack.ioSocial Media0Updated 5d ago

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About WriteStack

WriteStack is a remote MCP server for managing Substack creator workflows. It lets writers draft and schedule Notes, manage articles, and read statistics from connected MCP clients.

Key features

01Draft Substack Notes
02Schedule Notes
03Manage articles
04Read statistics
05OAuth and API key access

Use cases

01Draft Notes based on a recent post
02Queue Notes for publication
03Manage Substack articles
04Review creator statistics

MCP support

The remote MCP server connects MCP clients to a WriteStack account over Streamable HTTP. Access can use OAuth approval or an API key.

Configuration

Remote servers need no local install. Pick your client, then copy the config or install in one click.

Endpointhttps://www.writestack.io/api/mcp/mcp

Copy install command

Claude CodeTerminalclaude mcp add --transport http io-writestack https://www.writestack.io/api/mcp/mcp

Cursor.cursor/mcp.json{"mcpServers":{"io-writestack":{"type":"http","url":"https://www.writestack.io/api/mcp/mcp"}}}Open in Cursor

VS Code.vscode/mcp.json{"servers":{"io-writestack":{"type":"http","url":"https://www.writestack.io/api/mcp/mcp"}}}Open in VS Code

Claude Desktopclaude_desktop_config.json{"mcpServers":{"io-writestack":{"type":"http","url":"https://www.writestack.io/api/mcp/mcp"}}}

Windsurf~/.codeium/windsurf/mcp_config.json{"mcpServers":{"io-writestack":{"serverUrl":"https://www.writestack.io/api/mcp/mcp"}}}

Run commands in a terminal; paste JSON into the client’s MCP config and restart. Servers that need sign-in will prompt on first connect.

All endpoints

Streamable HTTPhttps://www.writestack.io/api/mcp/mcpAuth required

Tools

Details

From the project README

WriteStack MCP

Remote Model Context Protocol server for WriteStack — the Substack creator OS.

Connect Claude, ChatGPT, Notion, or any MCP client to a writer's WriteStack account. Draft and schedule Substack Notes, manage articles, and read statistics.

Endpoint

URL: https://www.writestack.io/api/mcp/mcp
Transport: Streamable HTTP
Docs: https://www.writestack.io/mcp
Privacy: https://www.writestack.io/privacy
Homepage: https://www.writestack.io

Quick start (OAuth clients)

Add a custom MCP connector and paste https://www.writestack.io/api/mcp/mcp.
Sign in to WriteStack and approve access.
Ask in plain language, e.g. “Draft three Notes about my last post and queue them.”

Guides: Claude · ChatGPT · Notion

API key clients (`mcp-remote`)

Create a key in WriteStack under Settings → MCP, then:

{
  "mcpServers": {
    "writestack": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://www.writestack.io/api/mcp/mcp",
        "--header",
        "Authorization: Bearer ws_your_api_key"
      ]
    }
  }
}

Official registry metadata

See server.json for the remote-server metadata published to the Official MCP Registry as io.writestack/mcp.

Logo

Square logo (960×960 PNG): https://cdn.writestack.io/writestack-app/og/logo.png

License

Documentation and metadata in this repository are MIT. WriteStack the product remains proprietary.

Comments

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New to MCP?

From what the protocol is to installing your first server, these answers cover most first questions.

Read the getting-started guide

An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.