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n8n-setup

@visccyberacct/n8n-mcp-server
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SKILL.md

name n8n-setup
description Configure n8n MCP server connection credentials (API key and base URL). Use when the user needs to set up or update their n8n API credentials.

n8n Setup Skill

Guide users through configuring their n8n API credentials for the MCP server.

When to Use

  • User mentions setting up n8n
  • User asks how to configure n8n credentials
  • User reports authentication errors with n8n
  • User needs to change their n8n instance URL or API key

Setup Process

1. Collect Required Information

Ask the user for:

  • n8n Base URL: The full URL of their n8n instance (e.g., https://n8n.homelab.com)
  • n8n API Key: Their n8n API key from Settings > API

2. Create/Update .env File

Create or update the .env file in the plugin root directory with:

N8N_BASE_URL=<user's n8n URL>
N8N_API_KEY=<user's API key>

Location: ${CLAUDE_PLUGIN_ROOT}/.env

3. Verify and Restart

After configuration:

  1. Inform user the credentials have been saved
  2. Remind them to restart Claude Code
  3. Suggest testing with: "List my n8n workflows"

Example Interaction

User: "How do I set up n8n?"

Assistant: "I'll help you configure the n8n MCP server. I need two pieces of information:

  1. n8n Instance URL: What's your n8n base URL? (e.g., https://n8n.homelab.com)
  2. API Key: What's your n8n API key? You can get this from n8n under Settings > API > Create API Key

Please provide these details."

User: "URL is https://n8n.homelab.com and key is n8n_api_abc123xyz..."

Assistant: [Creates/updates .env file at ${CLAUDE_PLUGIN_ROOT}/.env]

"✓ Configuration saved!

Next steps:

  1. Restart Claude Code for changes to take effect
  2. Test the connection: 'List my n8n workflows'

Your n8n instance at https://n8n.homelab.com is now configured."

Getting an API Key

Guide users to get their API key:

  1. Log into their n8n instance
  2. Go to Settings > API
  3. Click "Create API Key"
  4. Copy the generated key (they won't be able to see it again)

Security Notes

  • Credentials are stored in .env (not committed to git)
  • API keys should be kept secure and never shared
  • If compromised, user should regenerate the key in n8n
  • To update credentials, simply re-run this setup process

Troubleshooting

401 Unauthorized: API key is invalid or expired

  • Verify the key is correct
  • Regenerate key in n8n if needed

Connection refused: Cannot reach n8n instance

  • Verify the base URL is correct
  • Check network connectivity
  • Ensure n8n instance is running