Create, modify, and troubleshoot custom blocks in Notion Workers. Use when the user wants to build interactive UI inside Notion connected to Notion data. Covers the author workflow from project setup to local preview and deployment.
Install
npx skills add makenotion/notion-cookbook --skill custom-blocksnpx skills add makenotion/notion-cookbook --skill custom-blocks -a claude-code -gnpx skills add makenotion/notion-cookbook --skill custom-blocks -a codex -ggemini skills install https://github.com/makenotion/notion-cookbook.git --path workers/agents/skills/custom-blocksgh skill install makenotion/notion-cookbook custom-blocksgit clone --depth 1 https://github.com/makenotion/notion-cookbook /tmp/makenotion__notion-cookbook
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/makenotion__notion-cookbook/workers/agents/skills/custom-blocks ~/.claude/skills/custom-blocks # Claude Code
cp -R /tmp/makenotion__notion-cookbook/workers/agents/skills/custom-blocks ~/.agents/skills/custom-blocks # Codex, Cursor, Gemini CLI, Copilot, OpenCode