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Make AI Agents Create, Get, Update Custom Fields 🛠️ ConvertKit Tool MCP Server

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Created by: David Ashby || cfomodz

David Ashby

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Last update 3 days ago

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🛠️ ConvertKit Tool MCP Server

Complete MCP server exposing all ConvertKit Tool operations to AI agents. Zero configuration needed - all 15 operations pre-built.

⚡ Quick Setup

  1. Import this workflow into your n8n instance
  2. Activate the workflow to start your MCP server
  3. Copy the webhook URL from the MCP trigger node
  4. Connect AI agents using the MCP URL

🔧 How it Works

MCP Trigger: Serves as your server endpoint for AI agent requests
Tool Nodes: Pre-configured for every ConvertKit Tool operation
AI Expressions: Automatically populate parameters via $fromAI() placeholders
Native Integration: Uses official n8n ConvertKit Tool tool with full error handling

📋 Available Operations (15 total)

Every possible ConvertKit Tool operation is included:

🔧 Customfield (4 operations)

Create a custom field
Delete a custom field
Get many custom fields
Update a custom field

🔧 Form (3 operations)

Add a subscriber
Get many forms
Get all subscriptions

🔧 Sequence (3 operations)

Add a subscriber
Get many sequences
Get all subscriptions to a sequence

🏷️ Tag (2 operations)

Create a tag
Get many tags

🔧 Tagsubscriber (3 operations)

Add a tag to a subscriber
Get many tag subscriptions
Delete a tag from a subscriber

🤖 AI Integration

Parameter Handling: AI agents automatically provide values for:
• Resource IDs and identifiers
• Search queries and filters
• Content and data payloads
• Configuration options

Response Format: Native ConvertKit Tool API responses with full data structure

Error Handling: Built-in n8n error management and retry logic

💡 Usage Examples

Connect this MCP server to any AI agent or workflow:

Claude Desktop: Add MCP server URL to configuration
Custom AI Apps: Use MCP URL as tool endpoint
Other n8n Workflows: Call MCP tools from any workflow
API Integration: Direct HTTP calls to MCP endpoints

✨ Benefits

Complete Coverage: Every ConvertKit Tool operation available
Zero Setup: No parameter mapping or configuration needed
AI-Ready: Built-in $fromAI() expressions for all parameters
Production Ready: Native n8n error handling and logging
Extensible: Easily modify or add custom logic

🆓 Free for community use! Ready to deploy in under 2 minutes.