n8n-expression-testing
✓n8n expression syntax validation, context-aware testing, common pitfalls detection, and performance optimization. Use when validating n8n expressions and data transformations.
Installation
SKILL.md
| Basic access | {{ $json.field }} | Access JSON field | | Nested access | {{ $json.user.email }} | Access nested property | | Array access | {{ $json.items[0] }} | Access array element | | Node reference | {{ $node["Name"].json.id }} | Access other node's data | | Method call | {{ $json.name.toLowerCase() }} | Call string method |
| Conditional | {{ $json.x ? "yes" : "no" }} | Ternary expression |
| $json | Current item data | {{ $json.email }} | | $node["Name"] | Other node's data | {{ $node["HTTP"].json.body }} | | $items() | Multiple items | {{ $items("Node", 0, 0).json }} | | $now | Current timestamp | {{ $now.toISO() }} | | $today | Today's date | {{ $today }} | | $runIndex | Run iteration | {{ $runIndex }} |
Facts (cite-ready)
Stable fields and commands for AI/search citations.
- Install command
npx skills add https://github.com/proffesor-for-testing/agentic-qe --skill n8n-expression-testing- Category
- </>Dev Tools
- Verified
- ✓
- First Seen
- 2026-02-01
- Updated
- 2026-02-18
Quick answers
What is n8n-expression-testing?
n8n expression syntax validation, context-aware testing, common pitfalls detection, and performance optimization. Use when validating n8n expressions and data transformations. Source: proffesor-for-testing/agentic-qe.
How do I install n8n-expression-testing?
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/proffesor-for-testing/agentic-qe --skill n8n-expression-testing Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor
Where is the source repository?
https://github.com/proffesor-for-testing/agentic-qe
Details
- Category
- </>Dev Tools
- Source
- skills.sh
- First Seen
- 2026-02-01