Validate n8n expression syntax and fix common errors. Use when writing n8n expressions, using {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, or working with webhook data in workflows.
Install
npx skills add czlonkowski/n8n-skills --skill n8n-expression-syntaxnpx skills add czlonkowski/n8n-skills --skill n8n-expression-syntax -a claude-code -gnpx skills add czlonkowski/n8n-skills --skill n8n-expression-syntax -a codex -ggemini skills install https://github.com/czlonkowski/n8n-skills.git --path skills/n8n-expression-syntaxgh skill install czlonkowski/n8n-skills n8n-expression-syntaxgit clone --depth 1 https://github.com/czlonkowski/n8n-skills /tmp/czlonkowski__n8n-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/czlonkowski__n8n-skills/skills/n8n-expression-syntax ~/.claude/skills/n8n-expression-syntax # Claude Code
cp -R /tmp/czlonkowski__n8n-skills/skills/n8n-expression-syntax ~/.agents/skills/n8n-expression-syntax # Codex, Cursor, Gemini CLI, Copilot, OpenCode