n8n Validation Expert

pessini

Interpret validation errors and guide fixing them. Use when encountering validation errors, validation warnings, false positives, operator structure issues, or when you need help understanding validation results. Also use when asking about validation profiles, error types, or the validation loop process.

n8n-node-configuration

pessini

Operation-aware node configuration guidance. Use when configuring nodes, understanding property dependencies, determining required fields, choosing between get_node detail levels, or learning common configuration patterns by node type.

n8n-code-javascript

pessini

Write JavaScript code in n8n Code nodes. Use when writing JavaScript in n8n, using $input/$json/$node syntax, making HTTP requests with $helpers, working with dates using DateTime, troubleshooting Code node errors, or choosing between Code node modes.

n8n Workflow Patterns

pessini

Proven workflow architectural patterns from real n8n workflows. Use when building new workflows, designing workflow structure, choosing workflow patterns, planning workflow architecture, or asking about webhook processing, HTTP API integration, database operations, AI agent workflows, or scheduled tasks.

n8n-expression-syntax

pessini

Validate n8n expression syntax and fix common errors. Use when writing n8n expressions with {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, or handling webhook data inside workflows.

n8n-mcp-tools-expert

pessini

Expert guide for using n8n-mcp MCP tools effectively. Use when searching for nodes, validating configurations, accessing templates, managing workflows, or using any n8n-mcp tool. Provides tool selection guidance, parameter formats, and common patterns.

n8n-code-python

pessini

Write Python code in n8n Code nodes. Use this when writing Python inside n8n, using the _input/_json/_node syntax, working with the Python standard library, or when you need to understand the Python limitations in n8n Code nodes.