Stateless Substack Gateway exposing a REST API and MCP for reading profiles, posts, notes, and comments, plus authenticated personal and note-publishing workflows.
Latest release 6.1.1 · 29 Oct 2026
2 files for Codex, OpenCode and Claude Code: substack-gateway-oss AGENTS.md, substack-gateway-oss CLAUDE.md — 3,851 tokens loaded in every session.
AGENTS.md A 1,177 tok CLAUDE.md A 2,674 tok These files are jakub-k-slys/substack-gateway-oss's own configuration — they tell Codex, OpenCode and Claude Code 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.