Does Substack have an MCP server?
Substack maintains an official MCP server.
The official server is read-only and works only for Bestseller publications; tools that draft or publish posts are third-party.
- Access
- Remote server
- Endpoint
- https://mcp.substack.com/api/v1/mcp
- Category
- Marketing
The receipts
A remote server run by Substack itself — nothing to install. Documented at support.substack.com.
Connect it
Hosted by the vendor — no install, connect over HTTP with OAuth or a token.
Add it from the terminal, then restart your session:
claude mcp add --transport http substack https://mcp.substack.com/api/v1/mcpAdd --scope user to make it available in every project.
- Open Settings → Connectors
- Click Add custom connector
- Paste
https://mcp.substack.com/api/v1/mcp - Finish the sign-in prompt, then enable it in the chat's tools menu
Add to .cursor/mcp.json in your project, or ~/.cursor/mcp.json for
every project:
{
"mcpServers": {
"substack": {
"url": "https://mcp.substack.com/api/v1/mcp"
}
}
}A green dot in Settings → MCP means it connected.
Add to .vscode/mcp.json:
{
"servers": {
"substack": {
"type": "http",
"url": "https://mcp.substack.com/api/v1/mcp"
}
}
}Then pick the server from the tools menu in Copilot's agent mode.
- Enable Developer mode under Settings → Apps & Connectors → Advanced
- Choose Create and paste
https://mcp.substack.com/api/v1/mcp - Complete sign-in, then enable the connector in a new chat
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Does Substack have an official MCP server?
Yes. Substack maintains an official MCP server, hosted at https://mcp.substack.com/api/v1/mcp.
How do I connect Substack to Claude?
Add https://mcp.substack.com/api/v1/mcp as a custom connector under Settings → Connectors in Claude Desktop or claude.ai, or run "claude mcp add --transport http substack https://mcp.substack.com/api/v1/mcp" in Claude Code.
Do I need to install anything to use the Substack MCP server?
No. It is a remote server hosted by Substack, so your MCP client connects to it over HTTP. You authenticate with the vendor rather than installing a package.
How is this verdict verified?
Substack's support center documents its own MCP server at mcp.substack.com/api/v1/mcp. It gives read-only access to subscriber counts, post performance, revenue and traffic, for admins of Bestseller publications. GitHub metadata is refreshed every six hours.
How we know
Substack's support center documents its own MCP server at mcp.substack.com/api/v1/mcp. It gives read-only access to subscriber counts, post performance, revenue and traffic, for admins of Bestseller publications.
- GitHub data refreshed on 2026-10-08, and again every six hours.
- Vendor docs checked by hand on 2026-09-29.
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