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.
Latest release v1.0.0 · 8 Sept 2026
2 files for Claude Code, Codex and OpenCode: substack-mcp CLAUDE.md, substack-mcp AGENTS.md — 925 tokens loaded in every session.
CLAUDE.md A 739 tok AGENTS.md A 186 tok These files are conorbronsdon/substack-mcp's own configuration — they tell Claude Code, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.