N8N Expression Syntax
This skill teaches you N8N’s expression syntax for building powerful workflows by defining data transformations and logic within your nodes.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add shortknife-n8n-expression-syntax npx -- -y @trustedskills/shortknife-n8n-expression-syntax
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"shortknife-n8n-expression-syntax": {
"command": "npx",
"args": [
"-y",
"@trustedskills/shortknife-n8n-expression-syntax"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
This skill provides access to and understanding of n8n expression syntax. It allows AI agents to construct, validate, and utilize expressions within n8n workflows for data manipulation, conditional logic, and complex operations. The skill enables users to leverage the full power of n8n's automation capabilities through programmatic control.
When to use it
- Data Transformation: When you need an agent to dynamically transform data fields in an n8n workflow (e.g., formatting dates, extracting values).
- Conditional Logic: To build workflows that branch based on complex conditions determined by expressions (e.g., routing emails based on customer segment).
- API Integration: When constructing dynamic API requests or parsing responses using expressions within an n8n workflow.
- Workflow Debugging: To help troubleshoot and understand existing n8n workflows by explaining the purpose of specific expressions.
Key capabilities
- Expression generation
- Syntax validation
- Explanation of expression functionality
- Support for common n8n functions
Example prompts
- "Generate an n8n expression to format a date string in YYYY-MM-DD format."
- "Explain what this n8n expression does:
{{$json.orderTotal > 100 ? "VIP" : "Standard"}}" - “Validate the following n8n expression and tell me if it’s correct:
{{now() + '7 days'}}”
Tips & gotchas
- Requires a basic understanding of n8n workflows to effectively utilize this skill.
- The skill's accuracy depends on the complexity and correctness of the provided expressions.
Tags
TrustedSkills Verification
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Security Audits
| Gen Agent Trust Hub | Pass |
| Socket | Pass |
| Snyk | Pass |
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Passed automated security scans.