Read and publish on Substack (substack.com) with the user's own login cookies (BYOC) — show who they are and their primary publication, list their published posts with stats, and publish a new post / newsletter. Use when the user mentions Substack, "my Substack", their newsletter, or publishing a post to Substack.
Install
npx skills add AceDataCloud/Skills --skill substacknpx skills add AceDataCloud/Skills --skill substack -a claude-code -gnpx skills add AceDataCloud/Skills --skill substack -a codex -ggemini skills install https://github.com/AceDataCloud/Skills.git --path skills/substackgh skill install AceDataCloud/Skills substackgit clone --depth 1 https://github.com/AceDataCloud/Skills /tmp/AceDataCloud__Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/AceDataCloud__Skills/skills/substack ~/.claude/skills/substack # Claude Code
cp -R /tmp/AceDataCloud__Skills/skills/substack ~/.agents/skills/substack # Codex, Cursor, Gemini CLI, Copilot, OpenCode