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, or working with webhook data in workflows.
- Skills
- Workflow Automation
- 0
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Install (Claude Code)
mkdir -p .claude/skills/n8n-expression-syntax && curl -fsSL https://doutorai.pt/data/lib/skills__n8n-expression-syntax.md -o .claude/skills/n8n-expression-syntax/SKILL.mdPaste this command into the terminal, in your project folder, and the component installs automatically.
Content
---
name: n8n-expression-syntax
description: 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.
---
# n8n Expression Syntax
Expert guide for writing correct n8n expressions in workflows.
---
## Expression Format
All dynamic content in n8n uses **double curly braces**:
```
{{expression}}
```
**Examples**:
```
✅ {{$json.email}}
✅ {{$json.body.name}}
✅ {{$node["HTTP Request"].json.data}}
❌ $json.email (no braces - treated as
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