kmshihab7878/claude-code-setup/n8n

Name: n8n
Author: kmshihab7878

Claude Code and agent skill by kmshihab7878/claude-code-setup

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Complete n8n skill — workflow building, node configuration, JavaScript/Python code nodes, expression syntax, validation, MCP tools, credentials, administration, Docker deployment, backup/restore, internal API, and troubleshooting. Auto-triggers on any n8n task including workflow creation, node configuration, code nodes, expressions, validation errors, credential management, instance administration, n8n setup, n8n upgrade, n8n backup, and n8n API usage.

Install

npx vskill@latest install kmshihab7878/claude-code-setup/n8n

SKILL.md

n8n

Complete skill for building, managing, and administering n8n workflows.

How to Use This Skill

This skill covers 9 domains. Each has its own reference file with detailed guidance.

Workflow Building (from czlonkowski/n8n-skills)

Domain	Reference	When to use
Workflow Patterns	czlonkowski/skills/n8n-workflow-patterns/SKILL.md	Building new workflows, choosing architecture (webhook, HTTP API, database, AI agent, scheduled)
Node Configuration	czlonkowski/skills/n8n-node-configuration/SKILL.md	Configuring nodes, understanding property dependencies, required fields by operation
Code — JavaScript	czlonkowski/skills/n8n-code-javascript/SKILL.md	Writing JS in Code nodes, `$input/$json/$node` syntax, `$helpers.httpRequest()`, DateTime
Code — Python	czlonkowski/skills/n8n-code-python/SKILL.md	Writing Python in Code nodes, `_input/_json` syntax, standard library, limitations
Expression Syntax	czlonkowski/skills/n8n-expression-syntax/SKILL.md	Writing `{{ }}` expressions, `$json/$node` variables, fixing expression errors
Validation	czlonkowski/skills/n8n-validation-expert/SKILL.md	Interpreting validation errors/warnings, false positives, validation profiles
MCP Tools	czlonkowski/skills/n8n-mcp-tools-expert/SKILL.md	Using n8n MCP tools effectively — tool selection, parameter formats, common patterns

Additional Domains

Domain	Reference	When to use
Credentials	credentials/SKILL.md	Credential types, REST API credential CRUD, HTTP Request auth modes, httpCustomAuth JSON format, predefinedCredentialType vs genericCredentialType
Administration	administration/SKILL.md	Instance operations the MCP doesn't cover — Docker, backup/restore, CLI commands, internal API, community packages, SSO, upgrades, troubleshooting

Quick Decision: Which Tool to Use

You want to...	Tool
Create/edit/delete workflows	MCP (`n8n_create_workflow`, `n8n_update_partial_workflow`)
Search nodes, get schema	MCP (`search_nodes`, `get_node`)
Validate workflow or node	MCP (`n8n_validate_workflow`, `validate_node`)
Auto-fix workflow issues	MCP (`n8n_autofix_workflow`)
Deploy a template	MCP (`n8n_deploy_template`)
Test/trigger a workflow	MCP (`n8n_test_workflow`)
Manage executions	MCP (`n8n_executions`)
Create/update credentials	Public REST API (`/api/v1/credentials`)
Test a credential	Internal API (`POST /credentials/test`) — see credentials
Install community packages	Internal API (`POST /community-packages`) — see administration
Export decrypted credentials	CLI (`n8n export:credentials --decrypted`) — see administration
Backup/restore database	CLI / Docker — see administration
Upgrade n8n	Docker — see administration

Priority: MCP → Public API → Internal API → CLI → Docker/Infra.

Core Concepts (Quick Reference)

Webhook Data Access

javascript

// CRITICAL: webhook data is nested under .body
const data = $input.first().json.body;  // NOT $input.first().json

Code Node Return Format

javascript

// MUST return array of {json: {...}} objects
return items.map(item => ({
  json: { ...item.json, processed: true }
}));

Expression Syntax

{{ $json.fieldName }}           // Current item field
{{ $node["NodeName"].json }}    // Another node's output
{{ $now.toISO() }}              // Current timestamp
{{ $env.MY_VAR }}               // Environment variable

Credential Linking (in workflow JSON)

json

{
  "credentials": {
    "httpHeaderAuth": { "id": "CRED_ID", "name": "My API Key" }
  }
}

Security

Security scanPassed, 95 of 100Pattern checks on the skill's files.
Model reviewPassed

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Source

SKILL.md in the repositoryCheckingskills/n8n/SKILL.md

Popularity

Repository stars: 6
Repository forks: 1
7-day trend score: 10

Stars and forks are for the whole GitHub repository, not this skill alone. Not refreshed yet.

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