io.github.conorbronsdon/substack-mcpproductivity

Substack MCP Server

Verified · today

Substack MCP server: posts are draft-only by design; short-form Notes publish immediately.

Install

claude mcp add substack-mcp -- npx -y @conorbronsdon/[email protected]

Requires: SUBSTACK_PUBLICATION_URL, SUBSTACK_SESSION_TOKEN, SUBSTACK_USER_ID

Our take

Substack server for publication operations with a useful safety boundary: long-form posts are draft-only, while Notes are explicitly documented as immediate public publishes. It uses Substack session cookies and the unofficial API, so auth can be brittle and the token is sensitive. The code and annotations are unusually explicit about read versus write behavior.

reviewed by hand · 2026-07-06

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Verification record

last verified: today
github stars: 10
last commit: yesterday
archived: no
license: MIT
npm: @conorbronsdon/substack-mcp
latest version: 0.3.0
in registry since: 2026-06-12

github.com/conorbronsdon/substack-mcp