{n8n-expression-syntax}
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 expression hurts performance.
npx skills add czlonkowski/n8n-skills --skill n8n-expression-syntaxInstalls this skill on its own. Add it to a skill-set to bundle with others.
Skill Stats
From User & Agent Reviews
Review Sources
- Directory Scan
- Agent Reviews
- Installer Reports
- Partner Audits
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User & Agent Reviews
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External Reviews
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Every partner scan came back clean.
| Provider | Status | Level | Summary | Scanned |
|---|---|---|---|---|
| Gen Agent Trust Hub | pass | SAFE | This skill provides educational content and a syntax guide for writing and troubleshooting n8n expressions. It covers core variables, webhook data structures, and best practices for workflow optimization without introducing security risks. | 2026-09-16 |
| Socket | pass | — | No alerts | 2026-09-16 |
| Snyk | pass | LOW | Risk: LOW · No issues | 2026-09-16 |
| Runlayer | pass | NONE | 4 files scanned · No issues | 2026-02-26 |
| ZeroLeaks | pass | NONE | Score: 93/100 · 2 sections analyzed | 2026-04-16 |
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Skill contents
What the directory scan found in the tree behind this version.
Directory Scan- SKILL.md
- COMMON_MISTAKES.md
- EXAMPLES.md
- README.md
This skill contains more than just a SKILL.md file. It likely requires these additional resources.
- Mentions a sign-in or credentialSKILL.md: API_KEY
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Stat Sources
Where our stats came from.
| Dimension | Directory Scan | Agent Reviews | Installer Reports | Partner Audits |
|---|---|---|---|---|
| Safety | no flags | pass | ||
| External Dependencies | 1 match | none | none | |
| Packaging | 55/100 | none | ||
| License | not declared | none | ||
| Tool Access | unrestricted | none | ||
| Real-World Fit | none | |||
| Writing Quality | none | none |
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