Substack MCP Server and API by Cotlet for Claude.ai

dev.cotlet/substack

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

client:Claude.ai transport:streamable-http runtime:pypi

Install Substack MCP Server and API by Cotlet in Claude.ai

Settings → Connectors → Add custom connector

https://cotlet.dev/mcp/v1/substack/connect

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

Substack MCP Server and API by Cotlet in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Substack MCP Server and API by Cotlet MCP server