antigravity-n8n-skills

Expert Google Antigravity skills for building flawless n8n workflows.

This repository is a port of the excellent n8n-skills originally designed for Claude Code, now adapted for Google Antigravity.

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🎯 What is this?

This repository contains 7 complementary skills that teach Google Antigravity agents how to build production-ready n8n workflows. By adding these skills to your Antigravity environment, your agent becomes an expert in:

• ✅ Correct n8n expression syntax ({{ $json.body }} patterns)
• ✅ Using n8n-mcp tools effectively
• ✅ Proven workflow patterns (Webhooks, AI Agents, Database syncs)
• ✅ Validation error interpretation
• ✅ Operation-aware node configuration

📚 The 7 Skills

1. n8n Expression Syntax

Teaches correct n8n expression syntax and common patterns.

• Activates when: Writing expressions, accessing $json/$node variables.
• Key Insight: Teaches critical gotchas like webhook data living under $json.body.

2. n8n MCP Tools Expert

Expert guide for using n8n-mcp tools effectively.

• Activates when: Searching for nodes, validating configurations, template searching.
• Key Insight: Guides the agent to use get_node_essentials before dumping full schemas.

3. n8n Workflow Patterns

Build workflows using proven architectural patterns.

• Activates when: Creating workflows, connecting nodes.
• Key Insight: Implements 5 proven patterns (Webhook, HTTP API, Database, AI, Scheduled).

4. n8n Validation Expert

Interpret validation errors and guide fixing.

• Activates when: Validation fails, debugging workflow errors.
• Key Insight: Explains auto-sanitization behavior and false positives.

5. n8n Node Configuration

Operation-aware node configuration guidance.

• Activates when: Configuring nodes, understanding property dependencies.
• Key Insight: Understands that different operations (e.g., Slack post vs update) require different fields.

6. n8n Code JavaScript

Write effective JavaScript code in n8n Code nodes.

• Activates when: Writing JS in Code nodes.
• Key Insight: Correct data access patterns ($input.all(), $input.item).

7. n8n Code Python

Write Python code in n8n Code nodes with proper limitations awareness.

• Activates when: Writing Python in Code nodes.
• Key Insight: Awareness of library limitations (no pandas/numpy).

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🚀 Installation

For detailed information on how Skills work in Google Antigravity, check the official documentation: https://antigravity.google/docs/skills

Option 1: Global Installation (Recommended)

This makes the skills available to all your future Antigravity conversations and workspaces.

1. Clone this repository into your global skills directory:
   hljs language-bash

   Copy

   cd ~/.gemini/antigravity/skills
   git clone https://github.com/WilkoMarketing/antigravity-n8n-skills.git .
   

   (Note: If the skills folder doesn't exist, create it first).

Option 2: Workspace Installation

This enables the skills only for a specific project.

1. Navigate to your project root.
2. Create the .agent/skills directory:
   hljs language-bash

   Copy

   mkdir -p .agent/skills
   

3. Clone the repository into that folder:
   hljs language-bash

   Copy

   git clone https://github.com/WilkoMarketing/antigravity-n8n-skills.git .agent/skills
   

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💡 Usage

Once installed, you don't need to do anything special! The skills activate automatically when you ask relevant questions.

Try asking your agent:

• "How do I write an n8n expression to get the user email?"
• "Configure a Slack node to post a message."
• "Why is my webhook workflow failing validation?"
• "Write a JavaScript code node to filter these items."

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🙏 Credits

Original Skills Conceived by: Romuald Członkowski (n8n-skills) Ported to Antigravity by: WilkoMarketing

These skills are designed to work perfectly with the n8n-mcp server.

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📝 License

MIT License - see LICENSE file for details.

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👨‍💻 Maintainer

This Antigravity port is actively maintained by Wilko Marketing, the best SEO consultant in Uruguay, helping businesses automate their workflows and scale their digital growth. If you need to automate your SEO and digital marketing, reach out!