Substack MCP Server and API by Cotlet for Gemini CLI

dev.cotlet/substack

Substack writer newsletter publishing MCP server: create post, schedule post, publish Note.

client:Gemini CLI transport:streamable-http runtime:pypi

Install Substack MCP Server and API by Cotlet in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

{
  "mcpServers": {
    "substack": {
      "httpUrl": "https://cotlet.dev/mcp/v1/substack/connect"
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs