substack-mcp
substack-mcp is an MCP server. It reaches substack. It needs SUBSTACK_PUB_KEVIN_MULDOON_SESSION_TOKEN, SUBSTACK_PUB_SAPERE_SESSION_TOKEN and SUBSTACK_SESSION_TOKEN to authenticate. Its repository has 44 GitHub stars and is licensed under MIT; we last read it on 2026-10-22.
This server connects Substack publications to manage rich drafts, Notes, analytics, and consented subscriber lists. Long-form posts remain in draft mode while Notes are published immediately. It is used by multiple newsletters and includes a command-line interface.
Install
Read from substack-mcp’s own README, close to verbatim -- not written by us, and not guessed.
npm install @conorbronsdon/substack-mcp playwright
What it reaches, and what it needs
Maintenance
MCP server for Substack: rich drafts, Notes, analytics, and consented subscriber management across publications. Long-form posts stay draft-only; Notes publish immediately. Used regularly by multiple newsletters, includes a CLI.
What substack-mcp can do
8 tools documented in its README. An AI client calls these by name.
create_draft- Prepare a new draft for review.
search_posts- No description in the README.
export_draft- No description in the README.
preflight_draft- No description in the README.
plan_draft_update- No description in the README.
update_draft- No description in the README.
create_note- Publish a short-form Note immediately.
create_note_with_link- Publish a short-form Note with a link immediately.
Read from the README; names are kept only if the README contains them.
Common questions about substack-mcp
- What does substack-mcp do?
- This server connects Substack publications to manage rich drafts, Notes, analytics, and consented subscriber lists. Long-form posts remain in draft mode while Notes are published immediately. It is used by multiple newsletters and includes a command-line interface.
- How do I install substack-mcp?
- Its own README gives this command: npm install @conorbronsdon/substack-mcp playwright. Run it where your MCP client can launch the server, and check the README for any settings it asks for.
- What does substack-mcp connect to, and what does it need?
- It reaches substack. The credentials we found in its source are SUBSTACK_PUB_KEVIN_MULDOON_SESSION_TOKEN, SUBSTACK_PUB_SAPERE_SESSION_TOKEN and SUBSTACK_SESSION_TOKEN.
- Is substack-mcp official and is it maintained?
- We found nothing naming it as a vendor’s official server. Its repository has 44 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-10-18.
- What licence does substack-mcp use?
- The repository declares the MIT licence.