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czlonkowski/n8n-mcp-outils-expert

Guide expert pour utiliser efficacement les outils MCP n8n-mcp. À utiliser lors de la recherche de nœuds, de la validation de configurations, de l'accès aux modèles, de la gestion des workflows, des identifiants, de l'audit de sécurité ou de toute utilisation des outils n8n-mcp.

Qu'est-ce que n8n-mcp-outils-expert ?

Ce skill est un guide expert pour l'utilisation des outils MCP (Model Context Protocol) de n8n-mcp. Il est conçu pour les développeurs et les utilisateurs avancés de n8n qui souhaitent optimiser l'utilisation des outils MCP via des agents IA comme Claude Code, Cursor ou Codex. Le skill fournit des conseils de sélection d'outils, des formats de paramètres et des motifs courants pour éviter les erreurs fréquentes telles que les formats de nodeType incorrects, les structures de paramètres erronées et une utilisation inefficace des outils. Il est essentiel de consulter ce skill avant d'appeler tout outil n8n-mcp, car il prévient les erreurs coûteuses. Il supporte les plateformes utilisant les outils MCP n8n et est particulièrement utile pour la recherche de nœuds, la validation de configurations, la gestion des workflows, des identifiants et l'audit de sécurité des instances. En bref, ce skill agit comme un manuel de référence pour garantir une utilisation correcte et efficace des outils n8n-mcp.

Compatible avec~Claude Code~Codex CLI~Cursor
Part ofAgent Workflows
npx skills add https://github.com/czlonkowski/n8n-skills/tree/main/skills/n8n-mcp-tools-expert

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Documentation

Que fait n8n-mcp-outils-expert ?

Guide expert pour utiliser efficacement les outils MCP n8n-mcp. À utiliser lors de la recherche de nœuds, de la validation de configurations, de l'accès aux modèles, de la gestion des workflows, des identifiants, de l'audit de sécurité des instances ou de toute utilisation des outils n8n-mcp. Fournit des conseils de sélection d'outils, des formats de paramètres et des motifs courants. IMPORTANT — Consultez toujours ce skill avant d'appeler un outil n8n-mcp — cela évite les erreurs courantes comme les formats de nodeType incorrects, les structures de paramètres erronées et une utilisation inefficace des outils. Si l'utilisateur mentionne n8n, workflows, nœuds ou automatisation et que vous disposez d'outils MCP n8n, utilisez ce skill en premier.

Individual skills in this repo

This repo contains 6 individual skills — each has its own dedicated page.

czlonkowski/n8n-code-javascript

Write JavaScript code in n8n Code nodes. Use when writing JavaScript in n8n, using $input/$json/$node syntax, making HTTP requests with this.helpers / the $helpers global, working with dates using DateTime, troubleshooting Code node errors, choosing between Code node modes, or doing any custom data transformation in n8n. Always use this skill when a workflow needs a Code node — whether for data aggregation, filtering, API calls, format conversion, batch processing logic, or any custom JavaScript. Covers SplitInBatches loop patterns, cross-iteration data, pairedItem, and real-world production patterns. Also use when asked why a Code node or workflow is slow, which execution mode is faster, or how to cut per-item overhead on large datasets. EXCEPTION — for the AI-agent-callable Custom Code Tool (@n8n/n8n-nodes-langchain.toolCode, a tool attached to an AI Agent), use the n8n-code-tool skill instead; it has a different runtime contract.

czlonkowski/n8n-code-python

Write Python code in n8n Code nodes. Use when writing Python in n8n, using _input/_json/_node syntax, working with standard library, or need to understand Python limitations in n8n Code nodes. Use this skill when the user specifically requests Python for an n8n Code node. Note — JavaScript is recommended for 95% of use cases — only use Python when the user explicitly prefers it or the task requires Python-specific standard library capabilities (regex, hashlib, statistics). EXCEPTION — for Python in the AI-agent-callable Custom Code Tool (@n8n/n8n-nodes-langchain.toolCode), use the n8n-code-tool skill instead (input is _query, return must be a string).

czlonkowski/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, mapping data between nodes, or referencing webhook data in workflows. Use this skill whenever configuring node fields that reference data from previous nodes — expressions are how n8n passes data between nodes, and getting the syntax wrong is the most common source of workflow errors. Also use when asked whether a complex expression hurts performance.

czlonkowski/n8n-node-configuration

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. Always use this skill when setting up node parameters — it explains which fields are required for each operation, how displayOptions control field visibility, and when to use patchNodeField for surgical edits vs full node updates.

czlonkowski/n8n-validation-expert

Interpret validation errors and guide fixing them. Use when encountering validation errors, validation warnings, false positives, operator structure issues, or need help understanding validation results. Also use when asking about validation profiles, error types, the validation loop process, or auto-fix capabilities. Consult this skill whenever a validate_node or validate_workflow call returns errors or warnings — it knows which warnings are false positives and which errors need real fixes.

czlonkowski/n8n-workflow-patterns

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, batch processing, or scheduled tasks. Always consult this skill when the user asks to create, build, or design an n8n workflow, automate a process, or connect services — even if they don't explicitly mention 'patterns'. Covers webhook, API, database, AI, batch processing, and scheduled automation architectures. Also use when optimizing a slow workflow or speeding up large-item-count processing (node count, batchSize, all-items vs per-item).

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