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n8n-expression-syntax

100 / 100 · Low risk

Fine to try.

By delorenj/skills (GitHub) · data · 17 stars · scanned at commit ff21323

Validate n8n expression syntax and fix common errors. Use when writing n8n expressions, using {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, mapping data between nodes, or referencing webhook data in workflows. Use this skill whenever configuring node fields that reference data from previous nodes — expressions are how n8n passes data between nodes, and getting the syntax wrong is the most common source of workflow errors. Also use when asked whether a complex …

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'n8n-expression-syntax' ] || [ -L ~/.agents/skills/'n8n-expression-syntax' ]; then echo 'A skill folder named n8n-expression-syntax already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/delorenj/skills' "$d" && git -C "$d" checkout --quiet 'ff2132360c4a12602f752a491f896043cb60584a' -- 'n8n-expression-syntax' && mkdir -p ~/.agents/skills && cp -R "$d"/'n8n-expression-syntax' ~/.agents/skills/'n8n-expression-syntax' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'n8n-expression-syntax' ~/.claude/skills/'n8n-expression-syntax' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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