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n8n-validation-expert

🎯Skill

from czlonkowski/n8n-skills

What it does

Expert guide for interpreting and fixing n8n validation errors, covering error severity levels (errors, warnings, suggestions), false positives, operator structure issues, and the iterative validation loop process.

Overview

The n8n Validation Expert skill is one of 7 complementary Claude Code skills for building production-ready n8n workflows using the n8n-mcp MCP server. It specializes in interpreting validation errors, guiding fixes, and preventing the common validation loop problem where AI agents get stuck repeatedly failing on n8n workflow configuration issues.

Key Features

Validation Error Interpretation - Expert guidance on understanding and fixing n8n workflow validation errors including false positive detection
7-Skill Comprehensive Suite - Part of a complete n8n development toolkit covering expressions, MCP tools, workflow patterns, validation, node configuration, Code nodes, and HTTP requests
n8n Expression Syntax - Companion skills teach correct {{}} syntax, $json/$node/$now/$env variables, and the critical gotcha that webhook data is under $json.body
MCP Tool Expertise - Includes the highest-priority skill for correct n8n-mcp tool usage, nodeType formats, validation profiles, and auto-sanitization
5 Proven Workflow Patterns - Architectural patterns (webhook processing, HTTP API, database, AI, scheduled) based on 2,653+ real n8n templates

Who is this for?

This skill is for developers and automation engineers building n8n workflows programmatically through Claude Code with the n8n-mcp server. It is especially useful for those who encounter validation errors or get stuck in debugging loops when creating or modifying n8n workflows through AI assistants.

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Same repository

czlonkowski/n8n-skills(9 items)

n8n-validation-expert

Installation

Vibe Index InstallInstalls to .claude/skills/ - auto-recognized by Claude Code

npx vibeindex add czlonkowski/n8n-skills --skill n8n-validation-expert

skills.sh Install⚠ Installs to .agents/skills/ - may not be auto-recognized by Claude Code

npx skills add czlonkowski/n8n-skills --skill n8n-validation-expert

Manual InstallCopy SKILL.md content and save to the path below

~/.claude/skills/n8n-validation-expert/SKILL.md

SKILL.md

1,074Installs

2,428

AddedJan 31, 2026

View on GitHub Back to Skills

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